Understand addition and subtraction of fractions, decimals, and integers

Understand addition and subtraction of fractions, decimals, and integers

 1 0.1 less, 0.1 more than 42.6 2 0.1 less, 0.1 more than 98.1 3 0.1 less, 0.1 more than 71.9 4 0.1 less, 0.1 more than 85.3 5 0.1 less, 0.1 more than 19.9 6 Take Away Tenths 7 Take Away Tenths 8 Take Away Tenths 9 Add A Tenth 10 Add A Tenth 11 0.1 less, 0.1 more than 40 12 0.1 less, 0.1 more than 22 13 0.1 less, 0.1 more than 25.5 14 0.1 less, 0.1 more than 33.8 15 10 less, 0.1 more than 80.1 16 Juggling Hundredths: One hundredth less than 100 17 Juggling Hundredths: one hundredth less than 1000 18 Juggling Hundredths: eight hundredths less than 100 19 Juggling Hundredths: seven hundredths less than 78 20 Juggling Hundredths: 23 - 0.15 21 Juggling Hundredths: 13 + 0.96 22 Juggling Hundredths: 26 + 100 hundredths 23 Juggling Hundredths: 54 hundredths more than 45 24 Mystery number: 106+11=? 25 Mystery number: 514+12=? 26 Mystery number: 913+13=? 27 Mystery number: 711+17=? 28 Mystery number: 133+16=? 29 Same or different:44-8,14+23,22+18,19+17,54-18 30 Same or different:43-7,21+17,13+22,18+16,53-17 31 Adding Tens: 235+50 =? 32 Adding Tens: 338+50=? 33 Adding Tens: 562+30=? 34 Number detectives: 348+103=? 35 Number detectives: 156+104=? 36 Same or Different: Answer 58 37 Same or Different: Answer 44 38 100 zone: *+95=500 365+*=400 625+75=* 39 100 zone: *+185=200 655+*=700 335+65=* 40 100 zone: *+25=300 445+*=500 895+5=* 41 100 zone: *+45=400 165+*=200 725+75=* 42 100 zone: *+85=700 405+*=500 375+25=* 43 Movin' One Up! 0.7+?=1 44 Scoring decimal points: 19.3+2.3=*1.* 45 Scoring decimal points: *3.6+*.2=25.* 46 Scoring decimal points: 1*.2+2.7=*9.* 47 Scoring decimal points: 1*.*+2.5=*0.8 48 Scoring decimal points: 2*.2+1.5=*7.* 49 Use The pattern 1.4+1.5, 10.4+10.5, 104+105 50 Use The pattern 1.2+1.7, 10.2+10.7, 102 107 51 Use The pattern 1.4+1.4, 10.4+10.4, 104+104 52 Use The pattern 1.2+1.3, 10.2+10.3, 102+103 53 Use The pattern 1.2+1.4, 10.2+10.4, 102+104 54 True or False? Click all the number sentences that are true. 55 True or False? Click all the number sentences that are true. 56 True or False? Click all the number sentences that are true. 57 True or False? Click all the number sentences that are true. 58 True or False? Click all the number sentences that are true. 59 True or False? Click all the number sentences that are true. 60 True or False? Click all the number sentences that are true. 61 True or False? Click all the number sentences that are true. 62 True or False? Click all the number sentences that are true. 63 True or False? Click all the number sentences that are true. 64 Scoring Decimal Points: Complete vertical algorithm 65 Scoring Decimal Points: Complete vertical algorithm 66 Scoring Decimal Points: Complete vertical algorithm 67 Scoring Decimal Points: Complete vertical algorithm 68 Scoring Decimal Points: Complete vertical algorithm 69 Add hundreds: 346 + 400, 1426 + 500, 200 + 7019 70 Adding hundreds: Multiple operations with hundreds numbers 71 Adding hundreds: Multiple operations with hundreds numbers 72 Adding hundreds: Multiple operations with hundreds numbers 73 Adding hundreds: Multiple operations with hundreds numbers 74 Decimals get together: 6.7+?=10 75 Decimals get together: 5.8+4.2=? 76 Decimals get together: ?+3.7=10 77 Number detectives: Add/subtract hundreds numbers 78 Number detectives: Add/subtract hundreds numbers 79 Number detectives: Add/subtract hundreds numbers 80 Number detectives: Add/subtract hundreds numbers 81 Number detectives: Add/subtract hundreds numbers 82 True or False: Double-sided equations 83 True or False: Double-sided equations 84 True or False: Double-sided equations 85 True or False: Double-sided equations 86 True or False: Double-sided equations 87 Use the Pattern: 43 + 39, 43 + 40, 430 + 400 88 Use the Pattern: 56 + 70, + 69, 560 + 700 89 Use the Pattern: 34 + 80, + 79, 340 + 800 90 Use the Pattern: 27 + 90, + 89, 270 + 900 91 Use the Pattern: 62 + 79, 62 + 80, 620 + 800 92 Add board: Write missing numbers in vertical addition of 2- and 3-digit numbers 93 Add board: Write missing numbers in vertical addition of 2- and 3-digit numbers 94 Add board: Write missing numbers in vertical addition of 2- and 3-digit numbers 95 Add board: Write missing numbers in vertical addition of 2- and 3-digit numbers 96 Add board: Write missing numbers in vertical addition of 2- and 3-digit numbers 97 Add board: Write missing numbers in vertical addition of 2- and 3-digit numbers 98 Ten up: What must be added to 62.3 to make 70? 99 Adding decimals: Write missing numbers in vertical addition of 2-digit numbers with 1 dp 100 Adding decimals: Write missing numbers in vertical addition of 2-digit numbers with 1 dp 101 Adding decimals: Write missing numbers in vertical addition of 2-digit numbers with 1 dp 102 Adding decimals: Write missing numbers in vertical addition of 2-digit numbers with 1 dp 103 Adding decimals: Write missing numbers in vertical addition of 2-digit numbers with 1 dp 104 Use the pattern 6+7 60+70 160+170 105 Use the pattern 12+8 120+80 1200+800 106 Use the pattern 21+9 210+90 2100+900 107 Use the pattern 3+8 30+80 300+800 108 Use the pattern 16+4 160+40 1600+400 109 Number detectives mystery decimals: 0.02+?, 0.26+?, 0.44+?=1 110 Number detectives mystery decimals: 0.33+?, 0.62+?, 0.84+?=1 111 Number detectives mystery decimals: 0.08+?, 0.15+?, 0.73+?=1 112 Number detectives mystery decimals: 0.29+?, 0.82+?, 0.06+?=1 113 Number detectives mystery decimals: 0.45+?, 0.01+?, 0.22+?=1 114 Add these 3 numbers: 80 + 70 + 40 115 Add these 3 numbers: 90 + 60 + 30 116 Add these 3 numbers: 40 + 70 + 20 117 Add these 3 numbers: 30 + 20 + 90 118 Add these 3 numbers: 70 + 90 + 10 119 Number detectives Three's a breeze: 31+29+*=87 120 Number detectives Three's a breeze: 42+12+*=74 121 Number detectives Three's a breeze: 18+22+*=81 122 Number detectives Three's a breeze: 56+21+*=88 123 Number detectives Three's a breeze: 27+23+*=58 124 T/f Double sided eqns 125 T/f Double sided eqns 126 T/f Double sided eqns 127 T/f Double sided eqns 128 T/f Double sided eqns 129 Ten Up 57.81 to 60 130 Ten Up 63.72 to 70 131 Ten Up 46.98 to 50 132 Ten Up 22.56 to 30 133 Ten Up 15.32 to 20 134 Ten Up 133.36 to 140 135 Ten Up 165.83 to 170 136 Ten Up 132.64 to 140 137 Ten Up 113.95 to 120 138 Ten Up 188.66 to 190 139 Scoring Decimal Points: 2*.*+14.9 = *8.5 140 Adding hundreds: 695+*=959, 3492+500=*, 600m/t503=* 141 Adding hundreds: 364+*=1264, 426+600=*, 200m/t 236 =* 142 Adding hundreds 562+*=862, 658+200=*, 500m/t 352=* 143 Adding hundreds: 263+*=663, 222+500=*, 600m/t406=* 144 Adding hundreds 462+*=862, 426+300=* 800m/t169=* 145 Decimal Dropouts : Decimal hundredths totalling 1 146 Decimal Dropouts : Decimal hundredths totalling 1 147 Decimal Dropouts : Decimal hundredths totalling 1 148 Decimal Dropouts : Decimal hundredths totalling 1 149 Decimal Dropouts : Decimal hundredths totalling 1 150 Give or take a thousand Add 4000 to 2668 151 Give or take a thousand Add 8000 to 7558 152 Give or take a thousand what is 5000 m/t 23669? 153 Give or take a thousand what is 6000 m/t 8331? 154 Give or take a thousand what is 19369 + 3000? 155 Add these three numbers 24+45+16=? 156 Add these three numbers 20+35+16=? 157 Add these three numbers 45+15+14=? 158 Add these three numbers 26+12+22=? 159 Add these three numbers 37+13+18=? 160 Scoring Decimal Points: *2.4* + 9.*0 = 4*.09 161 Scoring Decimal Points: *4.34 + 7*.0* = 93.*1 162 Scoring Decimal Points: 7.5* + *.*0 = *2.46 163 Scoring Decimal Points: 4.*6 + 3.1* = *.08 164 Scoring Decimal Points: 8.6* + *.91 = 11.*3 165 Scoring Decimal Points: 7.4* + *.68 = 11.*1 166 Scoring Decimal Points: *.16 + 7.9* = 10.*1 167 Scoring Decimal Points: 4.61 + 6.*3 = **.4* 168 Number detectives: Four's no chore - Add 4 clustered numbers 169 Number detectives: Four's no chore - Add 4 clustered numbers 170 Number detectives: Four's no chore - Add 4 clustered numbers 171 Number detectives: Four's no chore - Add 4 clustered numbers 172 Number detectives: Four's no chore - Add 4 clustered numbers 173 Changing numbers 2.351 add 0.3, 0.003, 0.03 174 Changing numbers 5.391 add 4, 0.004, 0.4 175 Changing numbers 4.345 add 0.004, 40, 0.04 176 Changing numbers 1.221 Add 0.7, 0.07, 7.007 177 Changing numbers 3.539 add 0.001, 1.1, 1.01 178 Same or different: Click all the boxes with the same answer 179 Same or different: Click all the boxes with the same answer 180 Same or different: Click all the boxes with the same answer 181 Same or different: Click all the boxes with the same answer 182 Same or different: Click all the boxes with the same answer 183 Make 150 70+44+* 184 Make 120 52+37+* 185 Make 140 96+14+* 186 Make 130 75+41+* 187 Make 160 57+33+* 188 T/F double sided: 56+14=35+35, etc 189 T/F double sided: 23+12=65+30, etc 190 T/F double sided: 21+80=92-42, etc 191 T/F double sided: 42+46=19+69 192 T/F double sided: 32+18=25+25 193 Give or Take 10 000 40000+227558 194 Give or Take 10 000 50 000+23 565 195 Give or Take 10 000 40 000+56 780 196 Give or Take 10 000 20 000 + 239 330 197 Give or Take 10 000 50 000+50 332 198 Add these three numbers 6.2+1.6+7.2 199 Add these three numbers 4.8+5.2+8.7 200 Add these three numbers 2.5+9.5+2.7 201 Add these three numbers 7.3+1.7+8.1 202 Add these three numbers 3.3+2.5+2.7 203 Number detectives: Add 4 clustered tens numbers 204 Number detectives: Add 4 clustered tens numbers 205 Number detectives: Add 4 clustered tens numbers 206 Number detectives: Add 4 clustered tens numbers 207 Number detectives: Add 4 clustered tens numbers 208 Scoring decimal points: Write the missing numbers in vertical decimal addition 209 Scoring decimal points: Write the missing numbers in vertical decimal addition 210 Scoring decimal points: Write the missing numbers in vertical decimal addition 211 Scoring decimal points: Write the missing numbers in vertical decimal addition 212 Scoring decimal points: Write the missing numbers in vertical decimal addition 213 Hundredths crossing: Add/subtract crossing a tenths/whole number bound 214 Hundredths crossing: Add/subtract crossing a tenths/whole number bound 215 Hundredths crossing: Add/subtract crossing a tenths/whole number bound 216 Hundredths crossing: Add/subtract crossing a tenths/whole number bound 217 Hundredths crossing: Add/subtract crossing a tenths/whole number bound 218 Adding the big ones: Write the missing numbers in vertical addition of large whole numbers 219 Adding the big ones: Write the missing numbers in vertical addition of large whole numbers 220 Adding the big ones: Write the missing numbers in vertical addition of large whole numbers 221 Adding the big ones: Write the missing numbers in vertical addition of large whole numbers 222 Adding the big ones: Write the missing numbers in vertical addition of large whole numbers 223 Make 20 13+-6+* 224 Make 15 3+19+* 225 Make 10 8+7+* 226 Make 20 8+-2+* 227 Make 15 21+-6+* 228 T/F double sided eqn incl -ive # 229 T/F double sided eqn incl -ive # 230 Add these three numbers: 13+-7+3 231 Add these three numbers: 9+2+-3 232 Add these three numbers: 9+8+-5 233 Add these three numbers: 16+-9+2 234 Add these three numbers: 20+-9+11 235 Number detectives: Add 4 clustered hundreds numbers 236 Number detectives: Add 4 clustered hundreds numbers 237 Number detectives: Add 4 clustered hundreds numbers 238 Number detectives: Add 4 clustered hundreds numbers 239 Number detectives: Add 4 clustered hundreds numbers 240 Hundredths crossing 69.39+6.38 241 Hundredths crossing 79.33+5.99 242 Hundredths crossing 37.22+6.37 243 Hundredths crossing 156.54+6.77 244 Hundredths crossing 49.22+0.87 245 Adding the big ones: Write missing numbers in vertical addition 246 Adding the big ones: Write missing numbers in vertical addition 247 Adding the big ones: Write missing numbers in vertical addition 248 Adding the big ones: Write missing numbers in vertical addition 249 Adding the big ones: Write missing numbers in vertical addition 250 In the swim: Addition of times 251 And a Partridge in a pear tree 12+11+10+9, etc 252 Hundredths crossing: Addition of numbers with 2 dec places 253 Hundredths crossing: Addition of numbers with 2 dec places 254 Hundredths crossing: Addition of numbers with 2 dec places 255 Hundredths crossing: Addition of numbers with 2 dec places 256 Hundredths crossing: Addition of numbers with 2 dec places 257 Take tens: 734-50=? 258 Take tens: 408-90=? 259 Take tens: 978-80=? 260 Take tens: 345-70=? 261 Take tens: 533-60=? 262 Subtraction chains: 87-14-13-15, 98-17-11-6 263 Subtraction chains: 79-14-15-12, 68-17-20-11 264 Subtraction chains: 76-13-12-11, 92-20-12-14 265 Subtraction chains: 94-20-14-11, 65-15-25-15 266 1000s crossing: 6002-6, 4001-4, 2005-7 267 1000s crossing: 7002-8, 5004-7, 3003-6, 268 1000s crossing: 9002-9, 18006-7, 7007-9 269 1000s crossing: 5001-5, 10003-5, 1004-5 270 1000s crossing: 8004-7, 13003-8, 4006-9 271 Tens Takeaway: 400-20, 40 less than 480, ?-80=360 272 Tens Takeaway: 500-50, 70 less than 700, ?-90=810 273 Tens Takeaway: 900-30, 10 less than 400, ?-60=40 274 Tens Takeaway: 300-80, 50 less than 700, ?-90=110 275 Tens Takeaway: 600-20, 70 less than 500, ?-30=370 276 Subtraction Chains 277 Subtraction Chains 278 Subtraction Chains 279 Subtraction Chains 280 Subtraction Chains 281 Subtraction Chains 282 Subtraction Chains 283 Subtraction Chains 284 Subtraction Chains 285 Hundreds and Thousands: 1643 - 788 = *55 286 Decimal Drops: 27.* - 15.3 = 1*.3 287 Decimal Drops: 63.* - 4*.6 = *2.2 288 Decimal Drops: 54.* - 37.7 = *7.1 289 Decimal Drops: 48.8 - 2*.* = *9.5 290 Decimal Drops: 81.4 - 22.* = *9.2 291 Spot the Difference: Write the difference between 3 number pairs 292 Spot the Difference: Write the difference between 3 number pairs 293 Spot the Difference: Write the difference between 3 number pairs 294 Spot the Difference: Write the difference between 3 number pairs 295 Spot the Difference: Write the difference between 3 number pairs 296 Tenths Crossing: 40.4-0.5, 63.5-0.6, 30.6-0.7 297 Tenths Crossing: 20.2-0.4, 37.7-0.9, 17.5-0.9 298 Tenths Crossing: 26.5-0.8, 55.5-0.9, 74.3-0.7 299 Tenths Crossing: 44.4-0.8, 38.6-0.7, 23.2-0.5 300 Tenths Crossing: 88.5-0.8, 65.3-0.5, 43.6-0.9 301 Scoring Decimal Points: Complete vertical algorithm 302 Scoring Decimal Points: Complete vertical algorithm 303 Scoring Decimal Points: Complete vertical algorithm 304 Scoring Decimal Points: Complete vertical algorithm 305 Scoring Decimal Points: Complete vertical algorithm 306 Mysteries of 20: Decimals 307 Mysteries of 20: Decimals 308 Mysteries of 20: Decimals 309 Mysteries of 20: Decimals 310 Mysteries of 20: Decimals 311 1000s crossing: 5030-4990, 3010-2950, 7970-8040 312 1000s crossing: 8020-7940, 4030-3950, 9060-8980 313 1000s Crossing: 6015-5999, 8014-7995, 3024-2990 314 How Much More? 9>8.6, 6>5.7, 4>3.3? 315 Use the Pattern: Subtract (16-.3)(160-3)(1600-30) 316 Use the Pattern: Subtract (15-0.1)(150-1)(1500-10) 317 Use the Pattern: Subtract (20-0.4)(200-4)(2000-40) 318 Use the Pattern: Subtract (13-.7)(113-7)(1300-70) 319 Use the Pattern: Subtract (17-.5)(170-5)(1700-50) 320 Use the Pattern: Subtract (11-0.6)(110-6)(1100-60) 321 Same or different: Click all boxes with the answer 126 322 Same or different: Click all boxes with the answer 175 323 Same or different: Click all boxes with the answer 426 324 Same or different: Click all boxes with the answer 146 325 Same or different: Click all boxes with the answer 236 326 Same or different: Click all boxes with the answer 567 327 Same or different: Click all boxes with the answer 194 328 Same or different: Click all boxes with the answer 222 329 Same or different: Click all boxes with the answer 468 330 Same or different: Click all boxes with the answer 673 331 Subtraction Chains: 14.8 -2-0.6-0.1, ?-5=20.4,-0.2-5 332 Subtraction Chains: ?-3=15.4, -0.1-8, ?-4-0.5-0.2=9.2 333 Subtraction Chains: ?-4=12.6,-0.5-2, ?-5=15.5,-3-0.2 334 Subtraction Chains: ?-4=14.7,-0.3-4.4, ?-5=11.9,-0.1-0.7 335 Subtraction Chains: ?-4.2=11.5,-1.1-3.3, ?-15.5-3-6.5=6 336 Thousands Takeaway: Write missing numbers in vertical subtraction of thousands numbers 337 Thousands Takeaway: Write missing numbers in vertical subtraction of thousands numbers 338 Thousands Takeaway: Write missing numbers in vertical subtraction of thousands numbers 339 Thousands Takeaway: Write missing numbers in vertical subtraction of thousands numbers 340 Thousands Takeaway: Write missing numbers in vertical subtraction of thousands numbers 341 Take Hundreds:4421-?=3921,9365-500=?,5350-500=? 342 Take Hundreds:48801-?=4840, 66150-300=?, 45685-700=? 343 Take Hundreds:46250-?=45850, 69358-500= ?, 7419-600=? 344 Take Hundreds:47210-?=46510,53296-800=?, 45258-400=? 345 Take Hundreds: 42159-?=41859, 22014-500=?, 71119-600=? 346 50s Get Together: 1000 - ? = 750 347 50s Get Together: 1000 - 850 =* 348 50s Get Together: 4250 - 650 =* 349 50s Get Together: * + 550 = 1000 350 50s Get Together: 550 + ? = 1000 351 Give or Take a thousand 352 Give or Take a thousand 353 Give or Take a thousand 354 Give or Take a thousand 355 Give or Take a thousand 356 Financially Frank: Money addition and subtraction 357 Road work: Distance to go on one tank of fuel 358 Fill Up The Tank: 1000-255=? 359 Thousands crossing: 12009-12, 16005-9, 25006-15, 360 Thousands crossing: 24001-6, 27004-10, 23002-22987 361 Thousands crossing: 22002-10, 19006-8, 41009-15 362 Thousands crossing: 42002-41992, 26013-25287, 37007-15 363 Uncle Bob's new car: New price less trade-in 364 Wheeling Deal: New price less trade-in 365 Mitchell moves up: New price less trade-in 366 Dr Dan drives on: New price less trade-in 367 Lord Percibald rides in style: New price less trade-in 368 Running the race: Addition and subtraction of distances 369 Scoring Decimal Points: Write missing numbers in vertical addition of decimal numbers 370 Scoring Decimal Points: Write missing numbers in vertical addition of decimal numbers 371 Scoring Decimal Points: Write missing numbers in vertical addition of decimal numbers 372 Scoring Decimal Points: Write missing numbers in vertical addition of decimal numbers 373 Scoring Decimal Points: Write missing numbers in vertical addition of decimal numbers 374 Scoring Decimal Points: Write missing numbers in vertical addition of decimal numbers 375 Scoring Decimal Points: Write missing numbers in vertical addition of decimal numbers 376 Scoring Decimal Points: Write missing numbers in vertical addition of decimal numbers 377 Scoring Decimal Points: Write missing numbers in vertical addition of decimal numbers 378 Scoring Decimal Points: Write missing numbers in vertical addition of decimal numbers 379 Same or different: Click all boxes with the same answer 380 Same or different: Click all boxes with the same answer 381 Same or different: Click all boxes with the same answer 382 Same or different: Click all boxes with the same answer 383 Same or different: Click all boxes with the same answer 384 Thousands Takeaway: *42* - 4480 = 4**5 385 Thousands Takeaway: 673* - **41 = 39*9 386 Thousands Takeaway: *34* - 2375 = 5**8 387 Thousands Takeaway: 70** - *104 = 1*99 388 Thousands Takeaway: *04* - 27*9 = 1*21 389 50s get together: 4000 - ? = 750 390 50s get together: 6000 - ? = 650 391 50s get together: 2000 - ? = 150 392 50s get together: 1000 - 650 = ? 393 50s get together: 1000 - 450 = ? 394 50s get together: 8000 - 450 = ? 395 50s get together: ? - 150 = 1850 396 50s get together: ? - 350 = 6650 397 50s get together: ? - 850 = 4150 398 50s get together: ? - 5350 = 650 399 Number Detectives: Subtracting decimals 400 Number Detectives: Subtracting decimals 401 Number Detectives: Subtracting decimals 402 Number Detectives: Subtracting decimals 403 Number Detectives: Subtracting decimals 404 Number Detectives: Subtracting decimals 405 Number Detectives: Subtracting decimals 406 Number Detectives: Subtracting decimals 407 Number Detectives: Subtracting decimals 408 Number Detectives: Subtracting decimals 409 Give or Take a Thousand 193051 - 3000 = ? 410 Give or Take a Thousand 714320 - 5000 = ? 411 Give or Take a Thousand 685531 - 2000 = ? 412 Give or Take a Thousand 214990 - 5000 = ? 413 Give or Take a Thousand 33750 - 3000 = ? 414 Give or Take a Thousand 142301 - 6000 = ? 415 Give or Take a Thousand 335771 - 8000 = ? 416 Give or Take a Thousand 1524151 - 20000 = ? 417 Give or Take a Thousand 1348159 - 10000 = ? 418 Give or Take a Thousand 31486128 - 30000 = ? 419 Give or Take a Thousand 13221 - 8000 = ? 420 Give or Take a Thousand 12850 - 4000 = ? 421 Give or Take a Thousand 31280 - 3000 = ? 422 Give or Take a Thousand 25190 - 6000 = ? 423 Give or Take a Thousand 14820 - 7000 = ? 424 When the Red Red Robin...: Subtraction of measurements in mm 425 Cheetin' Horses: Comparison of speeds in km/hr 426 Golden Oldies: Age difference 427 Fete accomplished: Money addition and subtraction 428 Spot the difference: Write the difference between 612 and 588 429 Spot the difference: Write the difference between 315 and 291 430 Spot the difference: Write the difference between 708 and 687 431 Spot the difference: Write the difference between 475 and 395 432 Spot the difference: Write the difference between 117 and 95 433 Crossing the line: Subtracting distances 434 True or False: 631-82=549 435 True or False: 297=342-45 436 True or False: 746-53=693 437 Same or Different - Click all the boxes where the answer is 84 438 Same or Different - Click all the boxes where the answer is 387 439 Same or Different - Click all the boxes where the answer is 792 440 Same or Different - Click all the boxes where the answer is 576 441 Same or Different - Click all the boxes where the answer is 264 442 Decimal mysteries 50 -*=11.08,-*=36.15,-*=16.46 443 Decimal mysteries 50 -*=26.33,-*=37.85,-*=1.07 444 Decimal mysteries 50 -*=8.28,-*=22.16,-*=32.77 445 Decimal mysteries 50 -*=21.44,-*=30.53,-*=13.19 446 Decimal mysteries 50 -*=32.65,-*=13.21,-*=24.17 447 Give or Take a Hundred 562719-500 448 Give or Take a Hundred 276582-400 449 Give or Take a Hundred 618395-200 450 Give or Take a Hundred 45927-300 451 Give or Take a Hundred 75881-700 452 Taking the Big Ones: Write the missing numbers in vertical subtraction algorithms 453 Taking the Big Ones: Write the missing numbers in vertical subtraction algorithms 454 Taking the Big Ones: Write the missing numbers in vertical subtractions 455 Taking the Big Ones: Write the missing numbers in vertical subtraction algorithms 456 Taking the Big Ones: Write the missing numbers in vertical subtractions 457 Driven to the edge: 1000-793 458 Growing pains - 1000-126 459 Pump up the volume - 3000-934 460 Taking stock - 1000-750 461 Spot the difference 493.8&412.6 462 Spot the difference 248.7&218.3 463 Spot the difference 759.5&734.1 464 Spot the difference 695.6&623.2 465 Spot the difference 176.9&141.5 466 Thousands crossing: Add/subtract crossing a thousands bound 467 Thousands crossing: Add/subtract crossing a thousands bound 468 Thousands crossing: Add/subtract crossing a thousands bound 469 Thousands crossing: Add/subtract crossing a thousands bound 470 Thousands crossing: Add/subtract crossing a thousands bound 471 Decimal Drops: Write the missing numbers in vertical decimal subtractions 472 Decimal Drops: Write the missing numbers in vertical decimal subtractions 473 Decimal Drops: Write the missing numbers in vertical decimal subtractions 474 Decimal Drops: Write the missing numbers in vertical decimal subtractions 475 Decimal Drops: Write the missing numbers in vertical decimal subtractions 476 True or false 60 - 120 = -60 477 True or false 120 - 250 = -130 478 Same or different: Click all the boxes with the same answer 479 Same or different: Click all the boxes with the same answer 480 Same or different: Click all the boxes with the same answer 481 Same or different: Click all the boxes with the same answer 482 Give or take a thousand: 257908 - 160000 483 Give or take a thousand: 135001 - 34000 484 Give or take a thousand: 106095 - 29000 485 Give or take a thousand: 236401 - 195401 486 Give or take a thousand: 182356 - 127356 487 Give or take a thousand: 262141 - 245141 488 Give or take a thousand: 120068 - 88068 489 Give or take a thousand: 86215 - 7000 490 Give or take a thousand: 13553 - 8000 491 Give or take a thousand: 842908 - 74000 492 Scoring decimal points: Write missing numbers in vertical decimal subtractions 493 Scoring decimal points: Write missing numbers in vertical decimal subtractions 494 Scoring decimal points: Write missing numbers in vertical decimal subtractions 495 Scoring decimal points: Write missing numbers in vertical decimal subtractions 496 Scoring decimal points: Write missing numbers in vertical decimal subtractions 497 Taking the Big Ones: Write the missing numbers in vertical subtraction algorithms 498 Taking the Big Ones: Write the missing numbers in vertical subtraction algorithms 499 Taking the Big Ones: Write the missing numbers in vertical subtraction algorithms 500 Taking the Big Ones: Write the missing numbers in vertical subtraction algorithms 501 Taking the Big Ones: Write the missing numbers in vertical subtraction algorithms 502 Spot the difference: 4550 - 2150 503 Spot the difference: 6600 - 3650 504 Spot the difference: 5750 - 2550 505 Spot the difference: 9350 - 5450 506 Spot the difference: 2600 - 8700 507 Spot the difference: 8400 - 3500 508 Spot the difference: 3150 - 1500 509 True/false: 128-64=145-81 510 True/false: 154-72=172-90 511 True/false: 136-61=125-50 512 True/false: Decimal subtraction 2 dp 513 True/false: Decimal subtraction 2 dp 514 Scoring decimal points: Write missing numbers in vertical subtractions 515 Scoring decimal points: Write missing numbers in vertical subtractions 516 Spot the Difference: Decimal subtraction calculation 2dp 517 Spot the Difference: Decimal subtraction calculation 2dp 518 Ruby at the sweet shop: 2x\$1 + 8x10c 519 Mali at the sweet shop: 3x20c + 10x10c 520 The spice of life: Multiplication of weights 521 Fractions Add 522 Fractions Add 523 Fractions Add 524 Fractions Add 525 Fractions Add 526 Only a portion: Fraction addition 1/4+7/12=* 527 Pass the pieces, please!: Fraction addition *+1/2=7/12 528 Fraction output: Fraction addition *+2/3=3/4 529 Fractional output: Fraction addition 1/4+1/5=* 530 Fractions mounting: Fractions addition 1/3+1/2=* 531 Fractured addition: Addition of fractions 532 Fractions Add: 3/5+3/4 533 Fractions Add: 1/2+1/8 534 Fractions Add: 1/2+1/5 535 Fractions Add: 1/4+?=9/20 536 Mega-sum-a-saurus - complete missing digits to make number sentence 537 Mega-sum-a-saurus - complete missing digits to make number sentence 538 Mega-sum-a-saurus - complete missing digits to make number sentence 539 Enid the Elephant's Equations - equivalent to 9 + 5 540 Enid the Elephant's Equations - equivalent to 8 + 7 541 Mega-sum-a-saurus - complete missing digits to make number sentence 542 Mega-sum-a-saurus - complete missing digits to make number sentence 543 What An Eye-Full! 2 - calculate length and convert from m to cm 544 Sugar High? - adding g to kg, 2 decimal places 545 Sugar High? - adding g to kg, 3 decimal places 546 Sugar High? - adding g to kg, 2 decimal places 547 Karl's Cargo Chaos - calculate number of cartons that can be carried based on given masses 548 Karl's Cargo Chaos - calculate number of cartons that can be carried based on given masses 549 Phil Carries the Cans - caluclate number of trips given masses 550 Karl's Cargo Chaos - calculate number of cartons that can be carried based on given masses 551 Phil Carries the Cans - caluclate number of trips given masses 552 Up And Up: 1.6+0.7 553 Up And Up: 1.7+1.1 554 Up And Up: 1.9+0.3 555 Up And Up: 1.5+0.4 556 Up And Up: 1.7+0.4 557 Up And Up: 11.2+4.5 558 Up and Up: 13.4+6.3 559 Movin' One Up! 0.1+?=1 560 Movin' One Up! 0.5+?=1 561 Movin' One Up! 0.2+?=1 562 Movin' One Up! 0.4+?=1 563 How Much Less? 1.2<2, 15.5<16, 3.8,4? 564 How Much Less? 11.6<12, 13.7<14, 7.5<10? 565 How Much More? 7>6.5, 1>0.2, 10>4.8 566 How Much More? 20>19.4, 12>11.8, 10>6.5? 567 Up and Up: 74.9+22.6 568 Up and Up: 52.4+14.8 569 Up and Up: 33.6+45.5 570 Up and Up: 64.7+13.5 571 Movin' On Up! 13.7+?=16 572 Decimal Descent: 72.6-31.3 573 Decimal Descent: 46.7-11.3 574 Decimal Descent: 54.3-22.1 575 Up and Up: 15.2+3.9 576 Up and Up: 11.8+6.5 577 Up and Up: 13.6+4.7 578 Up and Up: 14.4+2.8 579 Up and Up: 10.9+5.3 580 Decimal Descent: 21.7-6.8 581 Decimal Descent: 34.2-6.5 582 Decimal Descent: 11.3-8.7 583 Decimal Descent: 40.6-8.7 584 Decimal Descent: 64.5-5.8 585 Up and Up: 76.04+9.09 586 Up and Up: 24.92+3.26 587 Up and Up: 65.39+6.21 588 Up and Up: 28.21+0.81 589 Up and Up: 13.45+7.05 590 Decimal Descent: 45.99-1.71 591 Decimal Descent: Difference between 2 decimal numbers (same no.dec. plces) 592 Decimal Descent: 7.63-1.51 593 Decimal Descent: 25.54-5.1 594 Decimal Descent: 63.83-3.93 595 Decimal Descent: 17.62-16.51 596 Decimal Descent: 37.97-2.97 597 Decimal Descent: Difference between 2 decimal numbers (same no.dec. plces) 598 Decimal Descent: 25.73-2.8 599 Decimal Descent: Difference between 2 decimal numbers (same no.dec. plces) 600 Decimal Descent: Difference between 2 decimal numbers (same no.dec. plces) 601 Decimal Descent: 153-151.5 602 Decimal Descent: Difference between 2 decimal numbers (same no.dec. plces) 603 Decimal Descent: Difference between 2 decimal numbers (same no.dec. plces) 604 Movin' On Up! 13.9+?=16 605 Movin' On Up! 12.5+?=15 606 Movin' On Up! 11.2+?=14 607 Movin' On Up! 15.8+?=18 608 Up and Up: 11.8+1.9 609 Up and Up: 13.2+2.9 610 Up and Up: 10.8+6.8 611 Up and Up: 12.7+4.4 612 Up and Up: 13.3+5.8 613 Decimals get together: 7.6+?=10 614 Decimals get together: 2.7+7.3=? 615 Decimals get together: ?+1.1=10 616 Decimals get together: 5.4+?=10 617 Decimals get together: 4.7+5.3=? 618 Decimals get together: ?+5.7=10 619 Decimals get together: 3.8+?=10 620 Decimals get together: 3.4+6.6=? 621 Decimals get together: ?+7.1=10 622 Decimals get together: 5.9+?=10 623 Decimals get together: 3.7+6.3=? 624 Decimals get together: ?+6.7=10 625 Up and Up: 130.45+60.56 626 Up and Up: 3.8+2.6=? 627 Up and Up: 21.4+4.5=? 628 Up and Up: 13.4+6.3=? 629 Up and Up: 14.4+7.3=? 630 Up and Up: 17.4+6.2=? 631 Up and Up: 16.3+7.5=? 632 Up and Up: 13.4+5.4=? 633 Ten up: What must be added to 34.4 to make 40? 634 Ten up: What must be added to 18.3 to make 20? 635 Ten up: What must be added to 46.5 to make 50? 636 Ten up: What must be added to 26.8 to make 30? 637 Tenths Tournament: 0.5 less than 7.5 638 Tenths Tournament: 1- 0.6 639 Tenths Tournament: Take 0.5 from 0.9 640 Tenths Tournament: 6.9 minus 0.4 641 Tenths Tournament: 1- 0.5 642 Tenths Tournament: 8.3 plus 0.2 643 Tenths Tournament: 1- 0.1 644 Tenths Tournament: 0.6 more than 5.3 645 Tenths Tournament: Add 0.4 to 4.3 646 Tenths Tournament: 1- 0.7 647 Tenths Tournament: 6.1 + 0.8 648 Tenths Tournament: 0.1 less than 9.4 649 Tenths Tournament: Take 0.4 from 1.8 650 Tenths Tournament: 1- 0.8 651 Tenths Tournament: 1- 0.2 652 Crossing the line: Subtracting distances