Solve problems involving addition, subtraction, multiplication and division
| 1. | Changing Numbers: 8.1 +1.1, +11.1, x 0.1, x10 | |
| 2. | Changing Numbers: 9.2 + 0.1, +101, x 0.1, x10 | |
| 3. | Changing Numbers: 6.2 +1, +10, x 0.1, X100 | |
| 4. | Changing Numbers: 16.4 +1, +10.1, x 0.1, x10 | |
| 5. | Changing Numbers: 85.3 + 0.1, +1, x 0.1, x100 | |
| 6. | Changing Numbers: 25.46 x10, x.01, +1010, ÷0.1 | |
| 7. | Changing Numbers: 110.53 x 0.01,+11.1, +1.1, ÷ 0.1 | |
| 8. | Changing Numbers: 27.43 +11.1, +1.01, x10, x0.1 | |
| 9. | Changing Numbers: 453x10, +1000, +1, ÷ 0.1 | |
| 10. | Changing Numbers: 61.36 x10, x 0.1, +10.01, ÷0.01 | |
| 11. | Changing Numbers: 79.81 x 0.1, x100, +101, +0.1 | |
| 12. | Number Detectives: a+b=30, ab=144 | |
| 13. | Number Detectives: a+b=20, ab=64 | |
| 14. | Number Detectives: a+b=30, ab=125 | |
| 15. | Changing Numbers: 120.9 x 0.1, + 11.1, + 0.1, x 100 | |
| 16. | Number Detectives: a+b=25 HIghest value of product? | |
| 17. | Number Detectives: a+b=15 Highest value of product? | |
| 18. | Number Detectives: a+b=19 Highest value of product? | |
| 19. | Number Detectives: Sum of 4 consecutive odd nos = 40 | |
| 20. | Signs & Numbers: 905 * 125 | |
| 21. | Changing Numbers: 21.453x10, +10.001, -1.1 x 0.1 | |
| 22. | Changing Numbers: 90.091x10, +110, +0.01, x 0.1 | |
| 23. | Changing Numbers: 990.09 x10, +11.01, +100, x0.1 | |
| 24. | Changing Numbers: 100.01x100, +1000, +100, x 0.1 | |
| 25. | Changing Numbers: 947.01÷0.01, +0.01, -0.01, x0.01 | |
| 26. | Number Detectives: Sum of 4 consecutive odd nos = 80 | |
| 27. | Number Detectives: a+b=133, ab=1000 | |
| 28. | Signs and Numbers: Add correct sign to number sentences | |
| 29. | T/F double sided eqn incl -ive # | |
| 30. | T/F double sided eqn incl -ive # | |
| 31. | Number detectives: Add 4 clustered hundreds numbers | |
| 32. | Number detectives: Add 4 clustered hundreds numbers | |
| 33. | Number detectives: Add 4 clustered hundreds numbers | |
| 34. | Number detectives: Add 4 clustered hundreds numbers | |
| 35. | Number detectives: Add 4 clustered hundreds numbers | |
| 36. | In the swim: Addition of times | |
| 37. | And a Partridge in a pear tree 12+11+10+9, etc | |
| 38. | Changing numbers: Perform multiple operations on a number (add/subtract) | |
| 39. | Changing numbers: Perform multiple operations add/subtract | |
| 40. | Changing numbers: Perform multiple operations add/subtract | |
| 41. | Changing numbers: Perform multiple operations add/subtract | |
| 42. | Changing numbers: Perform multiple operations add/subtract | |
| 43. | T/F Double-sided equations | |
| 44. | T/F Double-sided equations | |
| 45. | T/F Double-sided equations | |
| 46. | T/F Double-sided equations | |
| 47. | T/F Double-sided equations | |
| 48. | Detective Duck: Add 4 clustered numbers | |
| 49. | Detective Duck: Add 4 clustered numbers | |
| 50. | Detective Duck: Add 4 clustered numbers | |
| 51. | Detective Duck: Add 4 clustered numbers | |
| 52. | Detective Duck: Add 4 clustered numbers | |
| 53. | Hundredths crossing: Addition of numbers with 2 dec places | |
| 54. | Hundredths crossing: Addition of numbers with 2 dec places | |
| 55. | In the swim - Superfish v. Torpedos | |
| 56. | Changing numbers 14 697 x 0.1, + 6328, div. by 0.5 | |
| 57. | Changing numbers 35 942 x 20, + 7 487, div. by 0.1 | |
| 58. | Changing numbers 56 293 x 0.1, + 8 459, div. by 0.01 | |
| 59. | Changing numbers 8025 x 20, + 16 986, div. by 0.5 | |
| 60. | Changing numbers 4376 x 0.01, + 85 299, div. by 0.1 | |
| 61. | Double up and add 2.87 | |
| 62. | Double up and add 3.58 | |
| 63. | Double up and add 3.76 | |
| 64. | Double up and add 2.68 | |
| 65. | Four's no chore: Add 4 clustered numbers | |
| 66. | Four's no chore: Add 4 clustered numbers | |
| 67. | Four's no chore: Add 4 clustered numbers | |
| 68. | Four's no chore: Add 4 clustered numbers | |
| 69. | Four's no chore: Add 4 clustered numbers | |
| 70. | Hundredths crossing: Addition of numbers with 2 dp | |
| 71. | Hundredths crossing: Addition of numbers with 2 dp | |
| 72. | Hundredths crossing: Addition of numbers with 2 dp | |
| 73. | Hundredths crossing: Addition of numbers with 2 dp | |
| 74. | Hundredths crossing: Addition of numbers with 2 dp | |
| 75. | Adding the big ones: Write missing numbers in vertical addition | |
| 76. | Adding the big ones: Write missing numbers in vertical addition | |
| 77. | True or false 60 - 120 = -60 | |
| 78. | True or false 120 - 250 = -130 | |
| 79. | N/D Find the mystery negative: Addition/subtraction of negative integers up to +/-100 | |
| 80. | N/D Find the mystery negative: Addition/subtraction of negative integers up to +/-100 | |
| 81. | N/D Find the mystery negative: Addition/subtraction of negative integers up to +/-100 | |
| 82. | N/D Find the mystery negative: Addition/subtraction of negative integers up to +/-100 | |
| 83. | Same or different: Click all the boxes with the same answer | |
| 84. | Same or different: Click all the boxes with the same answer | |
| 85. | Same or different: Click all the boxes with the same answer | |
| 86. | Same or different: Click all the boxes with the same answer | |
| 87. | Same or different: Click all the boxes with the same answer | |
| 88. | Negatively speaking: -2 +(-4) - * = 10 | |
| 89. | Negatively speaking: - 4 + 5 - * = 10 | |
| 90. | Negatively speaking: -8 +7 - * = 10 | |
| 91. | Negatively speaking: -6 - 1 - * = 10 | |
| 92. | Negatively speaking: -16 +25 - * = 10 | |
| 93. | True/false: Decimal subtraction 2 dp | |
| 94. | True/false: Decimal subtraction 2 dp | |
| 95. | Scoring decimal points: Write missing numbers in vertical subtractions | |
| 96. | Scoring decimal points: Write missing numbers in vertical subtractions | |
| 97. | Scoring decimal points: Write missing numbers in vertical subtractions | |
| 98. | Scoring decimal points: Write missing numbers in vertical subtractions | |
| 99. | Scoring decimal points: Write missing numbers in vertical subtractions | |
| 100. | Spot the Difference: Decimal subtraction calculation 2dp | |
| 101. | Spot the Difference: Decimal subtraction calculation 2dp | |
| 102. | Spot the Difference: Decimal subtraction calculation 2dp | |
| 103. | T/F 8745-3690=5055 | |
| 104. | T/F 882-831=36+16 | |
| 105. | T/F 19+14=278-245 | |
| 106. | Spot the Difference: Calculate the difference between number pairs incl negative integers | |
| 107. | Spot the Difference: Calculate the difference between number pairs incl negative integers | |
| 108. | Spot the Difference: Calculate the difference between number pairs incl negative integers | |
| 109. | Spot the Difference: Calculate the difference between number pairs incl negative integers | |
| 110. | Scoring Decimal Points: Write missing numbers in vertical subtraction | |
| 111. | Scoring Decimal Points: Write missing numbers in vertical subtraction | |
| 112. | Scoring Decimal Points: Write missing numbers in vertical subtraction | |
| 113. | Scoring Decimal Points: Write missing numbers in vertical subtraction | |
| 114. | Scoring Decimal Points: Write missing numbers in vertical subtraction | |
| 115. | Subtraction Chains: Subtractions with 2 dp | |
| 116. | Subtraction Chains: Subtractions with 2 dp | |
| 117. | Subtraction Chains: Subtractions with 2 dp | |
| 118. | Subtraction Chains: Subtractions with 2 dp | |
| 119. | Double up: Double 50, 50 000 | |
| 120. | Same or Different: Click all the boxes with the same answer. | |
| 121. | Multi-Multiplication: 11.3x4, x0.4, x5, x0.5 | |
| 122. | Multi-Multiplication: 16.4x7, x0.7, x5, x0.5 | |
| 123. | Multi-Multiplication: 12.5x6, x0.6, x3, x0.3 | |
| 124. | Multi-Multiplication: 12.3x5, x0.5, x4, x0.4 | |
| 125. | Number Production: Complete each number sentence | |
| 126. | Number Production: Complete each number sentence | |
| 127. | Maths Production: Complete each number sentence | |
| 128. | Number Production: Complete each number sentence | |
| 129. | Number Production: Complete each number sentence | |
| 130. | Decimal Times: Write missing numbers in vertical decimal multiplications | |
| 131. | Decimal Times: Write missing numbers in vertical decimal multiplications | |
| 132. | Decimal Times: Write missing numbers in vertical decimal multiplications | |
| 133. | Times chain 22x0.1= * x2= * | |
| 134. | Multi-Multiplication 62.3 x100 x50 x0.01 x.0.1 | |
| 135. | Multi-Multiplication 6 x2 x20 x200 x0.2 | |
| 136. | Multi-Multiplication 3 x7 x-7 x0.7 x70 | |
| 137. | Number detectives sum of 4x3 and 3x11 | |
| 138. | Number detectives 820x10x*=1640 | |
| 139. | Health times: Multiplication of liquid measurements | |
| 140. | Bus Times: Multiply distances | |
| 141. | Sum it up: Put the correct number statement on the question board | |
| 142. | Multi-Multiplication: Perform multiple multiplications | |
| 143. | Multi-Multiplication: Perform multiple multiplications | |
| 144. | Multipication Simplification: Simplify multiplication by doubling and halving | |
| 145. | Decimal times: Write missing numbers in vertical decimal multiplication | |
| 146. | Detective Duck finds the mystery suspect: Understand multiplication terminology | |
| 147. | Detective Duck finds the mystery suspect: Understand multiplication terminology | |
| 148. | Detective Duck finds the mystery suspect: Understand multiplication terminology | |
| 149. | Detective Duck finds the mystery suspect: Understand multiplication terminology | |
| 150. | Find the Mystery Number: Solve multiplication sentences with a symbol for an unknown number | |
| 151. | Find the Mystery Number: Solve multiplication sentences with a symbol for an unknown number | |
| 152. | Find the Mystery Number: Solve multiplication sentences with a symbol for an unknown number | |
| 153. | Multi-Multiplication 18 (x4,0.6,80,102) | |
| 154. | Multi-Multiplication 23 (x6,0.7,50,105) | |
| 155. | Multi-Multiplication 41 (x5,0.8,70,103) | |
| 156. | Multi-Multiplication 27 (x7,0.5,60,104) | |
| 157. | Multiplication Simplification: Use doubling and halving to simplify multiplication | |
| 158. | Multiplication Simplification: Use doubling and halving to simplify multiplication | |
| 159. | Multiplication Simplification: Use doubling and halving to simplify multiplication | |
| 160. | Decimal Times: Write missing numbers in vertical multiplication | |
| 161. | Decimal Times: Write missing numbers in vertical multiplication | |
| 162. | Number detectives : 48/80 | |
| 163. | Number detectives : 15/50 | |
| 164. | Number detectives : 32÷40 | |
| 165. | Number detectives : 24/?=80 | |
| 166. | Number detectives : 16/?=80 | |
| 167. | Number detectives : 35/?=70 | |
| 168. | Divide a hundred 90 and 80 | |
| 169. | The Great Divide: Complete these number sentences | |
| 170. | Divided Maths: Complete these number sentences | |
| 171. | Divided Maths: Complete these number sentences | |
| 172. | My Fair Sharer: Write the correct division setting | |
| 173. | My Fair Sharer: Complete the missing inputs and outputs | |
| 174. | True or false: 33.3 / 0.5 = 66.6 | |
| 175. | True or false: 84.4 / 21.1 = 4.1 | |
| 176. | Division Chains: Write missing numbers in division chains | |
| 177. | Division Chains: Write missing numbers in division chains | |
| 178. | Division Chains: Write missing numbers in division chains | |
| 179. | Division Chains: Write missing numbers in division chains | |
| 180. | Division Chains: Write missing numbers in division chains | |
| 181. | My fair sharer: / 0.8 | |
| 182. | My fair sharer: / 0.9 | |
| 183. | True or False: -18.4/2.3=-8 | |
| 184. | Sum it up: Identify the correct calculation | |
| 185. | Number Production: Complete each number sentence | |
| 186. | Number Production: Complete each number sentence | |
| 187. | Number Production: Complete each number sentence | |
| 188. | My Fair Sharer /0.9 | |
| 189. | My Fair Sharer /0.8 | |
| 190. | My Fair Sharer /-0.6 | |
| 191. | Great Divide: Perform multiple division operations on a number | |
| 192. | Changing numbers 6730/0.5=*, */0.1=82720, 2364/0.2=* | |
| 193. | True/false: -22.2 / -0.2 = 111 | |
| 194. | Divide hundreds! 360/*=720, 426/0.2=* | |
| 195. | Divide hundreds! 360/*=900, 420/0.3=* | |
| 196. | Divide hundreds! 720/*=900, 689/0.5=* | |
| 197. | Divide thousands! 4200/0.8 | |
| 198. | Stamp stamp stamp: Calculate an average | |
| 199. | Division chains: Write missing numbers in division chains | |
| 200. | Same or Different? Click all boards where the answer is the same | |
| 201. | Same or Different? Click all boards where the answer is the same | |
| 202. | Same or Different? Click all boards where the answer is the same | |
| 203. | Same or Different? Click all boards where the answer is the same | |
| 204. | Same or Different? Click all boards where the answer is the same | |
| 205. | The Great Divide: Perform multiple division operations | |
| 206. | The Great Divide: Perform multiple division operations | |
| 207. | The Great Divide: Perform multiple division operations | |
| 208. | The Great Divide: Perform multiple division operations | |
| 209. | The Great Divide: Perform multiple division operations | |
| 210. | Detective Duck finds the mystery suspect: Understand division terminology | |
| 211. | Find the Mystery Number: Solve division sentences with a symbol for an unknown number | |
| 212. | Find the Mystery Number: Solve division sentences with a symbol for an unknown number | |
| 213. | Find the Mystery Number: Solve division sentences with a symbol for an unknown number | |
| 214. | Find the Mystery Number: Solve division sentences with a symbol for an unknown number | |
| 215. | Divide a hundred 216/*=2400, 312/0.06=* | |
| 216. | Divide Ten Thousand 42600/300=* | |
| 217. | Division Chains: Write missing numbers in division chains | |
| 218. | Division Chains: Write missing numbers in division chains | |
| 219. | The Great Divide: Multiple divisions | |
| 220. | Logical Leaps - sum and product | |
| 221. | Logical Leaps - sum and product | |
| 222. | Enid the Elephant's Equations - equivalent to 9 + 5 | |
| 223. | Enid the Elephant's Equations - equivalent to 8 + 7 | |
| 224. | Fleur's Conundrum - use operation signs to complete number sentences | |
| 225. | Fleur's Conundrum - use operation signs to complete number sentences | |
| 226. | Sum It Up - Eggs-actly! - number sentence expressing mass | |
| 227. | Out of Phase 1 - number of days between given dates | |
| 228. | Out of Phase 2 - calculate days between 2 events | |
| 229. | Lunar Ticks 2 - lunar months and years | |
| 230. | Up and Up: 797.9+88.4=? | |
| 231. | Up and Up: 892.4+419.8=? | |
| 232. | Up and Up: 466.5+577.6=? | |
| 233. | Up and Up: 457.9+124.8=? | |
| 234. | Up and Up: 128.7+39.6=? | |
| 235. | Up and Up: 29.4+63.8 | |
| 236. | Decimal Descent: 68.4-27.6 | |
| 237. | Decimal Descent: 85.5-41.1 | |
| 238. | Shop till you drop: Calculate with money | |
| 239. | Anyone for a burger? Money multiplication & addition | |
| 240. | Reena at the sweet shop: Money multiplication and addition | |
| 241. | Plant products: Money multiplication and subtraction |