Multiply and divide integers using mental and written strategies
1. | Number Detectives: a[6] = 729 | |
2. | Hitting The Big Times: Fill in the missing numbers in a vertical multiplication sum | |
3. | Hitting The Big Times: Fill in the missing numbers in a vertical multiplication sum | |
4. | Maths production: Put the correct ending on each multiplication sentence | |
5. | Maths production: Put the correct ending on each multiplication sentence | |
6. | Maths production: Put the correct ending on each multiplication sentence | |
7. | Double Up: 140 | |
8. | Double Up: 240 | |
9. | Double Up: 160 | |
10. | Double Up: 180 | |
11. | Double Up: 130 | |
12. | Accounting for cars: Money multiplication | |
13. | Drive the dollars: Money multiplication | |
14. | Hitting the big times: *3 *55 x * = 6* 465 | |
15. | Hitting the big times: 44626 x 6 = *6**5* | |
16. | Hitting the big times: **457 x 4 = 93 **8 | |
17. | Hitting the big times: 82 *4* x 20 = 1 **6 94* | |
18. | Hitting the big times: 51* *37 x 3 = * *48 71* | |
19. | Times Machine: Outputs (x12) | |
20. | Times Machine: Inputs (x6) | |
21. | Times Machine: Write the answer after the numbers have been multiplied | |
22. | Deck the halls: 60 pine cones x 30 Christmas trees | |
23. | Scientifically speaking: 32 children with 7 milk cartons each | |
24. | Granny squares 25 x 15 | |
25. | Water the Vines: 16 rows of vines x 110 metres | |
26. | Legal Eagles Coffee Shop: $7500x12 = $? | |
27. | Maths production: Complete each number sentence | |
28. | Maths production: Complete each number sentence | |
29. | Maths production: Complete each number sentence | |
30. | Maths production: Complete each number sentence | |
31. | Same or different: Click all the boxes with the same answer | |
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. | Multiplication Simplification: Use doubling and halving to simplify multiplication | |
36. | Multiplication Simplification: Use doubling and halving to simplify multiplication | |
37. | Multiplication Simplification: Use doubling and halving to simplify multiplication | |
38. | Multiplication Simplification: Use doubling and halving to simplify multiplication | |
39. | Maths Production: Complete each number sentence | |
40. | Maths Production: Complete each number sentence | |
41. | Number Production: Complete each number sentence | |
42. | Number Production: Complete each number sentence | |
43. | Number Production: Complete each number sentence | |
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: Write the correct multiplier on the times machine | |
47. | Times Machine: Write the correct multiplier on the times machine | |
48. | Times Machine: Write the correct multiplier on the times machine | |
49. | Times Machine x -50 | |
50. | Times Machine x -12 | |
51. | Times Machine x -6 | |
52. | Times Machine x -80 | |
53. | Times Machine x -30 | |
54. | Hitting the Big Times: Write missing numbers in vertical large number multiplicatiions | |
55. | Hitting the Big Times: Write missing numbers in vertical large number multiplicatiions | |
56. | Hitting the Big Times: Write missing numbers in vertical large number multiplicatiions | |
57. | Number detectives *x-4=-24 | |
58. | Number detectives *x-4=-28 | |
59. | Number detectives *x3=-27 | |
60. | Number detectives *x5=30 | |
61. | Number detectives -6x-2=* | |
62. | Number detectives 3x-7=* | |
63. | Number detectives 5x-6=* | |
64. | Number detectives -3x-3=* | |
65. | Number detectives 6x*=-18 | |
66. | Number detectives -3x*=12 | |
67. | Number detectives -6x*=24 | |
68. | Number detectives -2x*=-16 | |
69. | Multi-Multiplication-7 x3 x-3 x-2 x-5 | |
70. | Multi-Multiplication 6 x-5 x9 x-7 x-4 | |
71. | Number detectives *x7=-42 | |
72. | Number detectives *x-9=-45 | |
73. | Number detectives 35x90 | |
74. | Number detectives 820x10x*=1640 | |
75. | Multipication Simplification: Simplify multiplication by doubling and halving | |
76. | Multipication Simplification: Simplify multiplication by doubling and halving | |
77. | Multipication Simplification: Simplify multiplication by doubling and halving | |
78. | Multipication Simplification: Simplify multiplication by doubling and halving | |
79. | Multipication Simplification: Simplify multiplication by doubling and halving | |
80. | Find the Mystery Number: Solve multiplication sentences with a symbol for an unknown number | |
81. | Find the Mystery Number: Solve multiplication sentences with a symbol for an unknown number | |
82. | Multiplication Simplification: Use doubling and halving to simplify multiplication | |
83. | Multiplication Simplification: Use doubling and halving to simplify multiplication | |
84. | Multiplication Simplification: Use doubling and halving to simplify multiplication | |
85. | Multiplication Simplification: Use doubling and halving to simplify multiplication | |
86. | Multiplication Simplification: Use doubling and halving to simplify multiplication | |
87. | Division Chain: Three- and four-digit numbers | |
88. | Division Chain: Three- and four-digit numbers | |
89. | Number detectives : 48/80 | |
90. | Number detectives : 15/50 | |
91. | Number detectives : 32÷40 | |
92. | Divide a thousand: 28 000/70 | |
93. | Divide a thousand: 48 000/600 | |
94. | Divide a thousand 16 488/4 | |
95. | Divide a thousand 21 360/30 | |
96. | Pie maths: Dollar division | |
97. | Game Buddies: $270/3 | |
98. | Busy bodies: Dollar division | |
99. | Divide hundreds: Division of 3-digit hundreds multiples | |
100. | Divide a hundred 90 and 80 | |
101. | Divide ten thousand 30 000 / 50 = ? | |
102. | Divide a hundred thousand 280 000 / 40 = ? | |
103. | Divide a hundred thousand 640 000 / 8000 = ? | |
104. | Degrees of heat: How many times hotter is the Earth's inner core than the upper mantle? | |
105. | Rolling rivers: Compare the length of the Nile with the length of the Murrumbidgee | |
106. | Go green: Average number of trees planted per week | |
107. | Pay up!: Calculate fortnightly pay from annual salary | |
108. | Plant division: Average monthly turnover | |
109. | My Fair Sharer: Outputs (/ -9) | |
110. | My Fair Sharer: Write the correct division setting | |
111. | Divide and rule: Use halving to simplify division | |
112. | Divide and rule: Use halving to simplify division | |
113. | Divide and rule: Use halving to simplify division | |
114. | True or false: -36 / -6 = -6 | |
115. | True or false: -72 / -9 = 8 | |
116. | True or false: 7 = -84 / -12 | |
117. | True or false: -96 / 12 = -24 / 3 | |
118. | Ahoy there, me hearties!: Money division | |
119. | Cockroach count: Money division | |
120. | My fair sharer: / -9 | |
121. | My fair sharer: / -12 | |
122. | Divide and rule: Simply division calculations by halving | |
123. | Divide and rule: Simply division calculations by halving | |
124. | Divide and rule: Simply division calculations by halving | |
125. | Divide and rule: Simply division calculations by halving | |
126. | Divide and rule: Simply division calculations by halving | |
127. | True or False: -21/-7=3 | |
128. | True or False: -156/-12=13 | |
129. | True or False: -96/12=-8 | |
130. | True or False: -72/8=9 | |
131. | True or False: -45/-5=-9 | |
132. | Slam Dunk: Measurement mtuliplication | |
133. | Surf's up: Money division | |
134. | My Fair Sharer /-7 | |
135. | My Fair Sharer /-4 | |
136. | Divide and Rule: Simplify division by halving both numbers | |
137. | Divide and Rule: Simplify division by halving both numbers | |
138. | Divide and Rule: Simplify division by halving both numbers | |
139. | Divide and Rule: Simplify division by halving both numbers | |
140. | Divide and Rule: Simplify division by halving both numbers | |
141. | Around the World in 8 days: Calculate price of fuel | |
142. | Detective Duck finds the mystery suspect: Understand division terminology | |
143. | Find the Mystery Number: Solve division sentences with a symbol for an unknown number | |
144. | Find the Mystery Number: Solve division sentences with a symbol for an unknown number | |
145. | Divide Ten Thousand 42600/300=* | |
146. | Divide Ten Thousand 39 200/700=* | |
147. | My Fair Sharer: Write correct division setting | |
148. | Circular Logic: How many arc-seconds in a circle? | |
149. | Enid the Elephant's Equations - 15/3 | |
150. | Four Force - complete number sentences | |
151. | Happy Birthday 4 - hours in 11 years and 6 months | |
152. | Aged to Perfection 4 - year 131 500 hours after 1991 | |
153. | Leap Years - select leap years from list | |
154. | It's A Dog's Life 3 - sevenths of a year, "dog years" vs "human years" | |
155. | Wait a Moment 1 - medieval time units, points and moments | |
156. | The Traditions of Time 1 - quadrennium, quinquennium and octennium | |
157. | It's A Dog's Life 2 - sevenths of a year, "dog years" vs "human years" | |
158. | It's A Dog's Life 1 - sevenths of a year, "dog years" vs "human years" | |
159. | It's A Dog's Life 4 - sevenths of a year, "dog years" vs "human years" | |
160. | Lunar Ticks 4 - Callipic cycles, Metatonic cycles and years | |
161. | The Way Things Used To Be 1 - Hebrew time units, heleks | |
162. | Wait a Moment 3 - medieval time units, ounces and moments | |
163. | Wait a Moment 2 - medieval time units, ounces and moments | |
164. | The Traditions of Time 3 - quadrennium, quinquennium and octennium | |
165. | The Way Things Used To Be 2 - Hebrew time units, heleks | |
166. | Wait a Moment 4 - medieval time units, ounces and moments | |
167. | The Great Paschal Period - solar and lunar cycles | |
168. | The Traditions of Time 2 - quadrennium, quinquennium and octennium | |
169. | Wal's Water Worries - 2.5L bottles in 80L barrel | |
170. | Wal's Water Worries - 1.25L bottles in 10L barrel | |
171. | Talking Maths - time to fill bath, 2 measures of L/min | |
172. | Melted Maths - (tablespoons) 20mL to make 140mL |