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Goal: to practice how to make use of distributive property on special numbers, like (A + B) * (A - B) = A*A - B*B, A*C +B*C = (A + B ) *C, A*C - B*C = (A-B) * C

Saturday April 18 2026
02:55:43 AM
Saturday April 18 2026
02:55:43 AM
Flip Answers
1)   393 * 407 =          
2)   110 * 90 =          
3)   204 * 196 =          
4)   295 * 305 =          
5)   199 * 201 =          
6)   206 * 194 =          
7)   90 * 110 =          
8)   399 * 401 =          
9)   97 * 103 =          
10)   294 * 306 =          
11)   268 * 45 - 45 * 68 =          
12)   42 * 139 - 42 * 39 =          
13)   66 * 169 - 66 * 69 =          
14)   74 * 144 + 74 * 56 =          
15)   141 * 73 + 73 * 59 =          
16)   143 * 68 + 68 * 57 =          
17)   260 * 61 - 61 * 60 =          
18)   264 * 29 - 29 * 64 =          
19)   69 * 96 + 31 * 96 =          
20)   249 * 56 - 49 * 56 =          

Score: ______________   

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