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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 21 2026
04:48:34 AM
Tuesday April 21 2026
04:48:34 AM
Flip Answers
1)   93 * 107 =          
2)   390 * 410 =          
3)   102 * 98 =          
4)   394 * 406 =          
5)   104 * 96 =          
6)   394 * 406 =          
7)   304 * 296 =          
8)   98 * 102 =          
9)   398 * 402 =          
10)   303 * 297 =          
11)   50 * 53 + 47 * 50 =          
12)   71 * 125 + 75 * 71 =          
13)   64 * 156 - 56 * 64 =          
14)   97 * 258 - 97 * 58 =          
15)   77 * 156 - 77 * 56 =          
16)   21 * 172 - 21 * 72 =          
17)   135 * 93 - 93 * 35 =          
18)   35 * 91 + 165 * 91 =          
19)   128 * 66 + 72 * 66 =          
20)   46 * 70 + 46 * 30 =          

Score: ______________   

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