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 |