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 |