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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

Tuesday April 14 2026
12:11:57 AM
Tuesday April 14 2026
12:11:57 AM
Flip Answers
1)   99 * 101 =          
2)   392 * 408 =          
3)   110 * 90 =          
4)   196 * 204 =          
5)   395 * 405 =          
6)   409 * 391 =          
7)   103 * 97 =          
8)   93 * 107 =          
9)   398 * 402 =          
10)   395 * 405 =          
11)   165 * 53 + 53 * 35 =          
12)   74 * 164 - 74 * 64 =          
13)   162 * 22 - 62 * 22 =          
14)   80 * 268 - 68 * 80 =          
15)   94 * 255 - 94 * 55 =          
16)   45 * 66 + 66 * 55 =          
17)   58 * 257 - 58 * 57 =          
18)   42 * 256 - 56 * 42 =          
19)   33 * 138 - 38 * 33 =          
20)   42 * 142 + 42 * 58 =          

Score: ______________   

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