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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

Thursday May 21 2026
06:17:43 AM
Thursday May 21 2026
06:17:43 AM
Flip Answers
1)   392 * 408 =          
2)   296 * 304 =          
3)   405 * 395 =          
4)   209 * 191 =          
5)   193 * 207 =          
6)   95 * 105 =          
7)   207 * 193 =          
8)   408 * 392 =          
9)   397 * 403 =          
10)   402 * 398 =          
11)   54 * 93 + 46 * 93 =          
12)   73 * 70 + 70 * 27 =          
13)   170 * 42 - 70 * 42 =          
14)   164 * 91 - 64 * 91 =          
15)   85 * 171 - 71 * 85 =          
16)   88 * 35 + 165 * 88 =          
17)   155 * 94 - 55 * 94 =          
18)   30 * 251 - 30 * 51 =          
19)   47 * 41 + 53 * 41 =          
20)   31 * 144 - 44 * 31 =          

Score: ______________   

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