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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

Wednesday February 25 2026
04:13:31 PM
Wednesday February 25 2026
04:13:31 PM
Flip Answers
1)   402 * 398 =          
2)   398 * 402 =          
3)   202 * 198 =          
4)   110 * 90 =          
5)   110 * 90 =          
6)   195 * 205 =          
7)   299 * 301 =          
8)   394 * 406 =          
9)   401 * 399 =          
10)   398 * 402 =          
11)   81 * 272 - 81 * 72 =          
12)   59 * 79 + 79 * 41 =          
13)   68 * 274 - 68 * 74 =          
14)   41 * 43 + 157 * 41 =          
15)   60 * 55 + 40 * 55 =          
16)   173 * 90 - 90 * 73 =          
17)   48 * 39 + 61 * 48 =          
18)   90 * 145 + 55 * 90 =          
19)   35 * 58 + 165 * 58 =          
20)   29 * 33 + 67 * 29 =          

Score: ______________   

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