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