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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 December 13 2025
02:56:53 PM
Saturday December 13 2025
02:56:53 PM
Flip Answers
1)   206 * 194 =          
2)   90 * 110 =          
3)   99 * 101 =          
4)   402 * 398 =          
5)   96 * 104 =          
6)   309 * 291 =          
7)   106 * 94 =          
8)   298 * 302 =          
9)   404 * 396 =          
10)   209 * 191 =          
11)   91 * 160 - 91 * 60 =          
12)   91 * 38 + 62 * 91 =          
13)   73 * 90 + 90 * 27 =          
14)   68 * 154 + 68 * 46 =          
15)   73 * 28 + 28 * 27 =          
16)   68 * 62 + 62 * 132 =          
17)   133 * 32 + 67 * 32 =          
18)   78 * 66 + 78 * 134 =          
19)   75 * 97 + 25 * 97 =          
20)   37 * 39 + 61 * 37 =          

Score: ______________   

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