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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
04:35:54 PM
Tuesday April 14 2026
04:35:54 PM
Flip Answers
1)   205 * 195 =          
2)   93 * 107 =          
3)   396 * 404 =          
4)   294 * 306 =          
5)   309 * 291 =          
6)   90 * 110 =          
7)   395 * 405 =          
8)   205 * 195 =          
9)   190 * 210 =          
10)   395 * 405 =          
11)   41 * 49 + 159 * 49 =          
12)   263 * 52 - 63 * 52 =          
13)   74 * 129 + 71 * 74 =          
14)   69 * 69 + 31 * 69 =          
15)   136 * 27 - 27 * 36 =          
16)   57 * 39 + 143 * 39 =          
17)   69 * 57 + 31 * 57 =          
18)   95 * 145 + 55 * 95 =          
19)   46 * 56 + 144 * 46 =          
20)   131 * 23 + 69 * 23 =          

Score: ______________   

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