7.NS.2
Apply and extend previous understandings of multiplication and division and of fractions to multiply and divide rational numbers.
| 1. | Changing Numbers: 120.9 x 0.1, + 11.1, + 0.1, x 100 | |
| 2. | Double up and add 2.87 | |
| 3. | Double up and add 3.58 | |
| 4. | Double up and add 4.89 | |
| 5. | Double up and add 3.76 | |
| 6. | Double up and add 2.68 | |
| 7. | Times Machine: Write the correct multiplier into the times machine | |
| 8. | Times Machine: Write the correct multiplier into the times machine | |
| 9. | Times Machine: Write the correct multiplier into the times machine | |
| 10. | Times Machine: Write the correct multiplier into the times machine | |
| 11. | Times Machine: Write the correct multiplier into the times machine | |
| 12. | Times Machine: Write the correct multiplier into the times machine | |
| 13. | Times Machine: Write the correct multiplier into the times machine | |
| 14. | Hitting The Big Times: Fill in the missing numbers in a vertical multiplication sum | |
| 15. | Hitting The Big Times: Fill in the missing numbers in a vertical multiplication sum | |
| 16. | Hitting The Big Times: Fill in the missing numbers in a vertical multiplication sum | |
| 17. | Double Up: 140 | |
| 18. | Double Up: 240 | |
| 19. | Double Up: 160 | |
| 20. | Double Up: 180 | |
| 21. | Double Up: 130 | |
| 22. | Hitting the big times: *3 *55 x * = 6* 465 | |
| 23. | Hitting the big times: 44626 x 6 = *6**5* | |
| 24. | Hitting the big times: **457 x 4 = 93 **8 | |
| 25. | Hitting the big times: 82 *4* x 20 = 1 **6 94* | |
| 26. | Hitting the big times: 51* *37 x 3 = * *48 71* | |
| 27. | Times Machine: Outputs (x12) | |
| 28. | Times Machine: Inputs (x6) | |
| 29. | Times Machine: Write the correct multiplier on the times machine | |
| 30. | Times Machine: Write the answer after the numbers have been multiplied | |
| 31. | Deck the halls: 60 pine cones x 30 Christmas trees | |
| 32. | Same or different: Click all the boxes with the same answer | |
| 33. | Same or different: Click all the boxes with the same answer | |
| 34. | Same or different: Click all the boxes with the same answer | |
| 35. | Same or different: Click all the boxes with the same answer | |
| 36. | Times Machine: 12 34 23 87 | |
| 37. | Times Machine: 5.6 7.7 4.2 2.1 | |
| 38. | Times Machine: Outputs (x0.3) | |
| 39. | Times Machine: Outputs (x0.6) | |
| 40. | Times Machine: Outputs (x 0.4) | |
| 41. | Times Machine: Write the correct multiplier on the times machine | |
| 42. | Times Machine: Write the correct multiplier on the times machine | |
| 43. | Times Machine: Write the correct multiplier on the times machine | |
| 44. | Times Machine: Write the correct multiplier on the times machine | |
| 45. | Times Machine: Write the correct multiplier on the times machine | |
| 46. | Times Machine x -50 | |
| 47. | Times Machine x -12 | |
| 48. | Times Machine x -6 | |
| 49. | Times Machine x -80 | |
| 50. | Times Machine x -30 | |
| 51. | Hitting the Big Times: Write missing numbers in vertical large number multiplicatiions | |
| 52. | Hitting the Big Times: Write missing numbers in vertical large number multiplicatiions | |
| 53. | Hitting the Big Times: Write missing numbers in vertical large number multiplicatiions | |
| 54. | Multi-Multiplication 62.3 x100 x50 x0.01 x.0.1 | |
| 55. | Multi-Multiplication-7 x3 x-3 x-2 x-5 | |
| 56. | Multi-Multiplication 6 x-5 x9 x-7 x-4 | |
| 57. | Multi-Multiplication 6 x2 x20 x200 x0.2 | |
| 58. | Multi-Multiplication 3 x3 x30 x300 x0.3 | |
| 59. | Multi-Multiplication 4.8 x50 x-5 x0.5 x-55 | |
| 60. | Multi-Multiplication 3 x7 x-7 x0.7 x70 | |
| 61. | Multi-Multiplication: Perform multiple multiplications | |
| 62. | Multi-Multiplication: Perform multiple multiplications | |
| 63. | Multi-Multiplication: Perform multiple multiplications | |
| 64. | Multi-Multiplication: Perform multiple multiplications | |
| 65. | Decimal times: Write missing numbers in vertical decimal multiplication | |
| 66. | Decimal times: Write missing numbers in vertical decimal multiplication | |
| 67. | Decimal times: Write missing numbers in vertical decimal multiplication | |
| 68. | Decimal times: Write missing numbers in vertical decimal multiplication | |
| 69. | Multi-Multiplication 18 (x4,0.6,80,102) | |
| 70. | Multi-Multiplication 23 (x6,0.7,50,105) | |
| 71. | Multi-Multiplication 41 (x5,0.8,70,103) | |
| 72. | Multi-Multiplication 27 (x7,0.5,60,104) | |
| 73. | Decimal Times: Write missing numbers in vertical multiplication | |
| 74. | Decimal Times: Write missing numbers in vertical multiplication | |
| 75. | Decimal Times: Write missing numbers in vertical multiplication | |
| 76. | Decimal Times: Write missing numbers in vertical multiplication | |
| 77. | Divide and rule: Simplify division problems | |
| 78. | Divide and rule: Simplify division problems | |
| 79. | Divide and rule: Simplify division problems | |
| 80. | Up or down: Decide whether to round up or down after division | |
| 81. | The great Divide 140 /7, 28, 14, 0.7 | |
| 82. | The great Divide 128 /8, 16, 64, 0.8 | |
| 83. | The great Divide 360 /3, 18, 12, 0.3 | |
| 84. | The great Divide 192 /6, 12, 32, 0.6 | |
| 85. | The great Divide 144 /4, 8, 24, 0.4 | |
| 86. | Up or down: Decide whethere it is sensible to round up or down after division | |
| 87. | My Fair Sharer: Outputs (/ -9) | |
| 88. | Art division: Money division | |
| 89. | Up or Down: Round a division calculation up or down to give a sensible answer | |
| 90. | My fair sharer: / -9 | |
| 91. | Examining the Remains | |
| 92. | Examining the Remains | |
| 93. | Great Divide: Perform multiple division operations on a number | |
| 94. | Great Divide: Perform multiple division operations on a number | |
| 95. | Up or Down: Round to give a sensible answer to a division problem | |
| 96. | The Great Divide: Perform multiple division operations | |
| 97. | The Great Divide: Perform multiple division operations | |
| 98. | The Great Divide: Perform multiple division operations | |
| 99. | The Great Divide: Perform multiple division operations | |
| 100. | The Great Divide: Perform multiple division operations | |
| 101. | Examining the remains | |
| 102. | Examining the remains | |
| 103. | Dividing the cake: 2 cakes among 4 people | |
| 104. | Dividing the cake: 3 cakes among 6 people | |
| 105. | Dividing the cake: 4 cakes among 8 people | |
| 106. | Dividing the cake: 5 cakes among 10 people | |
| 107. | Dividing the cake | |
| 108. | Dividing the cake: Divide 4 cakes divided 12 people | |
| 109. | Dividing the cake: Divide 3 cakes among 12 people | |
| 110. | Dividing the cake: 4 cakes divided among 7 people | |
| 111. | Dividing the cake: 5 cakes divided among 8 people | |
| 112. | Dividing the cake: 3 cakes divided among 8 people | |
| 113. | Dividing the cake: 6 cakes divided among 8 people | |
| 114. | Dividing the cake: 5 cakes divided among 4 people | |
| 115. | Eggs-actly Equal - number problem | |
| 116. | Enid the Elephant's Equations - equivalent to 9x3, true/false | |
| 117. | It's A Dog's Life 3 - sevenths of a year, "dog years" vs "human years" | |
| 118. | It's A Dog's Life 2 - sevenths of a year, "dog years" vs "human years" | |
| 119. | It's A Dog's Life 1 - sevenths of a year, "dog years" vs "human years" | |
| 120. | Head Quarters: One half & one fourth of 18.8 | |
| 121. | Head Quarters: One half & one fourth of 35 | |
| 122. | Head Quarters: One half & one fourth of 94 | |
| 123. | Head Quarters: One half & one fourth of 18.2 | |
| 124. | Head Quarters: One half & one fourth of 15.2 | |
| 125. | Accounting for cars: Money multiplication | |
| 126. | Drive the dollars: Money multiplication | |
| 127. | Scientifically speaking: 32 children with 7 juice containers each | |
| 128. | Up or down: Decide whether it is sensible to round up or down after division | |
| 129. | Up or down: Decide whether it is sensible to round up or down after division | |
| 130. | Divide ten thousand 30,000 / 50 = ? | |
| 131. | Divide a hundred thousand 280,000 / 40 = ? | |
| 132. | Divide a hundred thousand 640,000 / 8,000 = ? | |
| 133. | Granny squares 25 x 15 | |
| 134. | Rolling rivers: Compare the length of the Nile with the length of the Murrumbidgee | |
| 135. | Degrees of heat: How many times hotter is the Earth's inner core than the upper mantle? | |
| 136. | Pay up!: Calculate two weekly pay from annual salary | |
| 137. | Plant division: Average monthly turnover | |
| 138. | Legal Eagles Cafe: $7500x12 = $? | |
| 139. | Birds of a feather: Multipy ins, convert to yards | |
| 140. | It's a long way to the concert: Money addition and multiplication | |
| 141. | Water on tap: Calculate time from flow rate | |
| 142. | Up or down: Decide whether it is sensible to round up or down after division | |
| 143. | Water the Vines: 16 rows of vines x 110 yards | |
| 144. | Up or down: Decide whether it is sensible to round up or down after division | |
| 145. | Go green: Average number of trees planted per week | |
| 146. | Ahoy there, me hearties!: Money division | |
| 147. | Weekend Work: Money multiplication | |
| 148. | Examining the Remains | |
| 149. | Head Quarters: One half & one fourth of 98,756 | |
| 150. | Head Quarters: One half & one fourth of 76,896 | |
| 151. | Head Quarters: One half & one fourth of 12,468 | |
| 152. | Head Quarters: One half & one fourth of 64,324 | |
| 153. | Head Quarters: One half & one fourth of 124,660 | |
| 154. | Head Quarters: One half & one fourth of 31,720 | |
| 155. | Head Quarters: One half & one fourth of 38,480 | |
| 156. | Head Quarters: One half & one fourth of 34,160 | |
| 157. | Head Quarters: One half & one fourth of 27160 | |
| 158. | Same or Different? Click all boards where the answer is the same | |
| 159. | Same or Different? Click all boards where the answer is the same | |
| 160. | Same or Different? Click all boards where the answer is the same | |
| 161. | Head Quarters: One half & one fourth of 42,320 | |
| 162. | Multi-Multiplication 35.8 x1,000 x500 x0.01 x0.1 | |
| 163. | Wall(paper) Street: Multiplication of measurements | |
| 164. | Times to tile: Division of lengths | |
| 165. | Divide thousands! 4,200/0.8 | |
| 166. | Changing numbers 6,730/0.5=*, */0.1=82,720, 2,364/0.2=* | |
| 167. | Same or Different? Click all boards where the answer is the same | |
| 168. | Same or different: click all the boxes with the same answers | |
| 169. | Same or different: click all the boxes with the same answers | |
| 170. | Up or down: Determine whether to round up or down to give a sensible division answer | |
| 171. | The Great Divide: Multiple divisions | |
| 172. | Up or down: Determine whether to round up or down to give a sensible division answer | |
| 173. | Divide Ten Thousand 39,200/700=* | |
| 174. | Divide Ten Thousand 42,600/300=* | |
| 175. | Divide a Thousand 5,058/-0.06=* | |
| 176. | Divide a Thousand 3,660/-0.04=* | |
| 177. | Head Quarters: One half & one fourth of 49,380 | |
| 178. | Head Quarters: One half & one fourth of 62,940 | |
| 179. | Detective Duck: Write one quantity as a percentage of another | |
| 180. | Detective Duck 3/4 of 56 | |
| 181. | Detective Duck 2/3 of 1.5 | |
| 182. | Fraction wise 7/10 of 40 cents | |
| 183. | Fraction wise 3/10 of $50 | |
| 184. | Fraction Wise: 3/4 of 600 gal | |
| 185. | Fraction Wise: 4/5 of $1,000 | |
| 186. | Phoebe Figures Fractions 3/4 of 88 | |
| 187. | Detective Duck 7/8 of 12 | |
| 188. | Detective Duck: 2/3 of 1.5 cwt | |
| 189. | Detective Duck: 23/100 of 4cwt (in lbs) | |
| 190. | Detective Duck: 3/10 of 5 feet (in inches) | |
| 191. | A Measure Of Confusion 1 - approximate number of objects fit in a given length; km; decimals | |
| 192. | Mass Composition - conversion from oz to lb, total mass of multiples | |
| 193. | Mass Composition - conversion from g to kg, total mass of multiples | |
| 194. | The Need For Speed 4 - calculate time given average speed and distance | |
| 195. | The Need for Speed 5 - calculate time given speed and distance | |
| 196. | The Space Race 2 - calculate speed given distance and time | |
| 197. | The Space Race 4 - calculate distance given speed and time | |
| 198. | Phil's Chocolate Conundrum - calculate number of units given individual and gross masses, oz and lb |