Use the four operations, including formal written methods, applied to integers, decimals, proper and improper fractions, and mixed numbers, all both positive and negative
| 1. | Number Detectives: a+b=17, ab=-60 | |
| 2. | Number Detectives: a+b=55, ab=484 | |
| 3. | Changing numbers: Addition/subtraction using negative integers | |
| 4. | Changing numbers: Addition/subtraction using negative integers | |
| 5. | Changing numbers: Addition/subtraction using negative integers | |
| 6. | Changing numbers: Addition/subtraction using negative integers | |
| 7. | Changing numbers: Addition/subtraction using negative integers | |
| 8. | Make 20 13+-6+* | |
| 9. | Make 15 3+19+* | |
| 10. | Make 10 8+7+* | |
| 11. | Make 20 8+-2+* | |
| 12. | Make 15 21+-6+* | |
| 13. | T/F double sided eqn incl -ive # | |
| 14. | T/F double sided eqn incl -ive # | |
| 15. | T/F double sided eqn incl -ive # | |
| 16. | Add these three numbers: 13+-7+3 | |
| 17. | Add these three numbers: 9+2+-3 | |
| 18. | Add these three numbers: 9+8+-5 | |
| 19. | Add these three numbers: 16+-9+2 | |
| 20. | Add these three numbers: 20+-9+11 | |
| 21. | Make 13 18+34+* | |
| 22. | Make -5 27+9+* | |
| 23. | Make 29 37+20+* | |
| 24. | Make -8 42+16+* | |
| 25. | Make 32 29+12+* | |
| 26. | Add these three numbers 84+-11+-16 | |
| 27. | Add these three numbers -19+55+-26 | |
| 28. | Add these three numbers -17+-28+34 | |
| 29. | Add these three numbers -41+-35+47 | |
| 30. | Add these three numbers 46+13+14 | |
| 31. | Make 29: 282 + -184 + * | |
| 32. | Make 180: 369 + -75 + * | |
| 33. | Make 126: 34+81 + * | |
| 34. | Make 79: 104 + -53 + * | |
| 35. | Make 115: -26 + 180 + * | |
| 36. | True/false mixed ops and decimals | |
| 37. | True/false mixed ops and decimals | |
| 38. | True/false mixed ops and decimals | |
| 39. | True/false mixed ops and decimals | |
| 40. | True/false mixed ops and decimals | |
| 41. | Double up and add 4.89 | |
| 42. | Add 3 numbers: 106 + 24 + -6 | |
| 43. | Add 3 numbers: -72 + 203 + -16 | |
| 44. | Add 3 numbers: -58 + -245 + 10 | |
| 45. | Add 3 numbers: -158 + 101 + 69 | |
| 46. | Add 3 numbers: -36 + -72 + 17 | |
| 47. | N/D Find the mystery negative: Addition/subtraction of negative integers up to +/-100 | |
| 48. | N/D Find the mystery negative: Addition/subtraction of negative integers up to +/-100 | |
| 49. | N/D Find the mystery negative: Addition/subtraction of negative integers up to +/-100 | |
| 50. | N/D Find the mystery negative: Addition/subtraction of negative integers up to +/-100 | |
| 51. | N/D Find the mystery negative: Addition/subtraction of negative integers up to +/-100 | |
| 52. | N/D Find the mystery negative: Addition/subtraction of negative integers up to +/-100 | |
| 53. | N/D Find the mystery negative!: Subtraction with single-digit negative integers | |
| 54. | N/D Find the mystery negative!: Subtraction with single-digit negative integers | |
| 55. | N/D Find the mystery negative!: Subtraction with single-digit negative integers | |
| 56. | N/D Find the mystery negative!: Subtraction with single-digit negative integers | |
| 57. | N/D Find the mystery negative!: Subtraction with single-digit negative integers | |
| 58. | N/D Find the mystery negative!: Subtraction with single-digit negative integers | |
| 59. | N/D Find the mystery negative!: Subtraction with single-digit negative integers | |
| 60. | N/D Find the mystery negative!: Subtraction with single-digit negative integers | |
| 61. | N/D Find the mystery negative!: Subtraction with single-digit negative integers | |
| 62. | N/D Find the mystery negative!: Subtraction with single-digit negative integers | |
| 63. | N/D Find the mystery negative!: Subtraction with single-digit negative integers | |
| 64. | N/D Find the mystery negative!: Subtraction with single-digit negative integers | |
| 65. | Write the missing number: 20= -10, 17, ? | |
| 66. | Write the missing number: 20=-45, 30, ? | |
| 67. | Write the missing number: 20= -15, 25, ? | |
| 68. | Write the missing number: 20= -18, -24, ? | |
| 69. | Write the missing number: 20= -8, -2, ? | |
| 70. | Find the Mystery Number 176- * =-190 | |
| 71. | Find the Mystery Number 384- * =407 | |
| 72. | Find the Mystery Number -769- * =-732 | |
| 73. | Find the Mystery Number 245- * =263 | |
| 74. | Same or Different: Click all the boxes where the answer is <1 | |
| 75. | Same or Different: Click all the boxes where the answer is <1 | |
| 76. | Same or Different: Click all the boxes where the answer is <1 | |
| 77. | Same or Different: Click all the boxes where the answer is <1 | |
| 78. | Same or Different: Click all the boxes where the answer is <1 | |
| 79. | Put a number on the yellow box -41.5+23.7+ * =-14.4 | |
| 80. | Put a number on the yellow box -26.7+-15.9+ * =-17.5 | |
| 81. | Put a number on the yellow box -17.6+-11.9+ * =26.2 | |
| 82. | Put a number on the yellow box -10.5+-18.9+ * =12.8 | |
| 83. | T/F 418-384=22+12 | |
| 84. | T/F 568-519=23+26 | |
| 85. | Time travels: Calculate dates BC | |
| 86. | Spot the Difference: Calculate the difference between number pairs incl negative integers | |
| 87. | Spot the Difference: Calculate the difference between number pairs incl negative integers | |
| 88. | Spot the Difference: Calculate the difference between number pairs incl negative integers | |
| 89. | Spot the Difference: Calculate the difference between number pairs incl negative integers | |
| 90. | Hitting the big times: *3 *55 x * = 6* 465 | |
| 91. | Hitting the big times: 44626 x 6 = *6**5* | |
| 92. | Hitting the big times: **457 x 4 = 93 **8 | |
| 93. | Hitting the big times: 82 *4* x 20 = 1 **6 94* | |
| 94. | Hitting the big times: 51* *37 x 3 = * *48 71* | |
| 95. | Number Production: Complete each number sentence | |
| 96. | Number Production: Complete each number sentence | |
| 97. | Number Production: Complete each number sentence | |
| 98. | Times Machine: Write the correct multiplier on the times machine | |
| 99. | Times Machine: Write the correct multiplier on the times machine | |
| 100. | Times Machine: Write the correct multiplier on the times machine | |
| 101. | Times Machine: Write the correct multiplier on the times machine | |
| 102. | Times Machine: Write the correct multiplier on the times machine | |
| 103. | Times Machine x -50 | |
| 104. | Times Machine x -12 | |
| 105. | Times Machine x -6 | |
| 106. | Times Machine x -80 | |
| 107. | Times Machine x -30 | |
| 108. | Hitting the Big Times: Write missing numbers in vertical large number multiplicatiions | |
| 109. | Hitting the Big Times: Write missing numbers in vertical large number multiplicatiions | |
| 110. | Hitting the Big Times: Write missing numbers in vertical large number multiplicatiions | |
| 111. | Number detectives *x-4=-24 | |
| 112. | Number detectives *x-4=-28 | |
| 113. | Number detectives *x3=-27 | |
| 114. | Number detectives *x5=30 | |
| 115. | Times chain 1.4x6= * x0.1= * | |
| 116. | Times chain 15x0.3= * x2= * | |
| 117. | Times chain 11.1x0.4= * x2= * | |
| 118. | Times chain 0.4x40= * x0.2= * | |
| 119. | Number detectives -6x-2=* | |
| 120. | Number detectives 3x-7=* | |
| 121. | Number detectives 5x-6=* | |
| 122. | Number detectives -3x-3=* | |
| 123. | Number detectives 6x*=-18 | |
| 124. | Number detectives -3x*=12 | |
| 125. | Number detectives -6x*=24 | |
| 126. | Number detectives -2x*=-16 | |
| 127. | Multi-Multiplication 35.8 x1000 x500 x0.01 x0.1 | |
| 128. | Multi-Multiplication-7 x3 x-3 x-2 x-5 | |
| 129. | Multi-Multiplication 6 x-5 x9 x-7 x-4 | |
| 130. | Multi-Multiplication 3 x3 x30 x300 x0.3 | |
| 131. | Multi-Multiplication 4.8 x50 x-5 x0.5 x-55 | |
| 132. | Number detectives sum of 7x11 and 2x15 | |
| 133. | Number detectives sum of 5x25 and 3x5 | |
| 134. | Number detectives sum of 6x8 and 20x10 | |
| 135. | Number detectives sum of 25x4 and 8x9 | |
| 136. | Number detectives *x7=-42 | |
| 137. | Number detectives *x-9=-45 | |
| 138. | Number detectives 0.3x*=0.06 | |
| 139. | Decimal times: Write missing numbers in vertical decimal multiplication | |
| 140. | Decimal times: Write missing numbers in vertical decimal multiplication | |
| 141. | Decimal times: Write missing numbers in vertical decimal multiplication | |
| 142. | Detective Duck finds the mystery suspect: Understand multiplication terminology | |
| 143. | Find the Mystery Number: Solve multiplication sentences with a symbol for an unknown number | |
| 144. | Find the Mystery Number: Solve multiplication sentences with a symbol for an unknown number | |
| 145. | Find the Mystery Number: Solve multiplication sentences with a symbol for an unknown number | |
| 146. | Ee-i-ee-i-o!: Calculate total number of animals after 2 seasons | |
| 147. | Sum it up: Penny and Posie | |
| 148. | Sum it up: Ladies' Society For Long Lunches | |
| 149. | Decimal Times: Write missing numbers in vertical multiplication | |
| 150. | Decimal Times: Write missing numbers in vertical multiplication | |
| 151. | My Fair Sharer: Outputs (/ -9) | |
| 152. | My Fair Sharer: Write the correct division setting | |
| 153. | True or false: -72 / -9 = 8 | |
| 154. | True or false: 7 = -84 / -12 | |
| 155. | True or false: -96 / 12 = -24 / 3 | |
| 156. | True or false: 26.5 / 2 = 13.25 | |
| 157. | True or false: -6.5 / 2 = -3.25 | |
| 158. | My fair sharer: / -9 | |
| 159. | My fair sharer: / -12 | |
| 160. | True or False: -21/-7=3 | |
| 161. | True or False: -156/-12=13 | |
| 162. | True or False: -96/12=-8 | |
| 163. | True or False: 15.8/4=3.95 | |
| 164. | Sum it up: Identify the correct calculation | |
| 165. | My Fair Sharer /-7 | |
| 166. | My Fair Sharer /-4 | |
| 167. | Great Divide: Perform multiple division operations on a number | |
| 168. | Great Divide: Perform multiple division operations on a number | |
| 169. | True/false: -30.6 / -0.3 = 102 | |
| 170. | True/false: -555 / 5 = -111 | |
| 171. | Division chains: Write missing numbers in division chains | |
| 172. | Division chains: Write missing numbers in division chains | |
| 173. | Division chains: Write missing numbers in division chains | |
| 174. | Division chains: Write missing numbers in division chains | |
| 175. | Sum it up: Prue's party | |
| 176. | Find the Mystery Number: Solve division sentences with a symbol for an unknown number | |
| 177. | Find the Mystery Number: Solve division sentences with a symbol for an unknown number | |
| 178. | True or False: 1980/44=45 | |
| 179. | True or False: 792/0.44=1800 | |
| 180. | Find the Mystery Number: Solve division sentences with a symbol for an unknown number | |
| 181. | Find the Mystery Number: Solve division sentences with a symbol for an unknown number | |
| 182. | Find the Mystery Number: Solve division sentences with a symbol for an unknown number | |
| 183. | Divide a hundred 136/*=-340, 512/-0.8=* | |
| 184. | Divide a Thousand 3660/-0.04=* | |
| 185. | Divide a Thousand 5058/-0.06=* | |
| 186. | Divide Ten Thousand 39 200/700=* | |
| 187. | Division Chains: Write missing numbers in division chains | |
| 188. | Sum it up: Granny Smith's knitting | |
| 189. | Sum it up: Max's Xtreme Skateboards | |
| 190. | Maths Production 800,8,56 | |
| 191. | Number Production 1.6,320,8 | |
| 192. | Same or different: click all the boxes with the same answers | |
| 193. | Same or different: click all the boxes with the same answers | |
| 194. | My Fair Sharer: Write correct division setting | |
| 195. | My Fair Sharer: Write missing inputs and outputs | |
| 196. | My Fair Sharer: Write missing inputs and outputs | |
| 197. | Fractions Divide: 1/4÷1/2 | |
| 198. | Fractions Divide: 1/2 / 3/4 | |
| 199. | The truth about fractions: 24÷1/4 | |
| 200. | Fractions Divide: 10 / 1/6 | |
| 201. | The truth about fractions: 10÷5/6 | |
| 202. | Circular Logic: How many arc-seconds in a circle? | |
| 203. | Captain Jones's Challenge - Develop then calculate an algebraic expression | |
| 204. | Captain Jones's Challenge - Develop then calculate an algebraic expression | |
| 205. | Captain Jones's Challenge - Develop then calculate an algebraic expression | |
| 206. | Logical Leaps - sum and product | |
| 207. | Natural Numbers - sum of 1st 13 Fibonacci numbers | |
| 208. | What An Eye-Full! 3 - calculate speed of construction given total distance and time | |
| 209. | Phil's Chocolate Conundrum - calculate number of units given individual and gross masses, g and kg | |
| 210. | Detective Duck: Write the fraction halfway between two other fractions | |
| 211. | Propelling Pounds: Money multiplication | |
| 212. | Cycling with Chris: Add/subtract in miles | |
| 213. | Lord Percibald improves: Money calculations | |
| 214. | Ahoy there, me hearties! Money division | |
| 215. | Cockroach count: Money addition and division | |
| 216. | The wait before the game: Money subtraction and division | |
| 217. | Sum it up: Put the correct number statement on the question board | |
| 218. | Shifting groceries: Calculate wages from rates of pay | |
| 219. | Sent To Coventry: Multiply distances | |
| 220. | Show times: Money multiplication | |
| 221. | Best In Show: Money division | |
| 222. | A whizz-bang show: Money multiplication and division | |
| 223. | Out on a limb: Money multiplication | |
| 224. | Shoes shine: Money multipication and subtraction | |
| 225. | Spectacular spending: Money multiplication | |
| 226. | Land of the long vacation: Dollar exchange rates | |
| 227. | Sum it up: Identify the correct calculation to solve a problem | |
| 228. | Sum it up: Identify the correct calculation to solve a problem (1) | |
| 229. | Sum It Up - Zoo Time: number sentence expressing cost | |
| 230. | To Market: calculate sell price | |
| 231. | To Market 2: calculate profit/loss | |
| 232. | Rob's Shed: calculate mass, quantity and cost |