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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

Sunday January 11 2026
01:55:40 PM
Sunday January 11 2026
01:55:40 PM
Flip Answers
1)   397 * 403 =          
2)   290 * 310 =          
3)   392 * 408 =          
4)   404 * 396 =          
5)   97 * 103 =          
6)   199 * 201 =          
7)   110 * 90 =          
8)   307 * 293 =          
9)   105 * 95 =          
10)   205 * 195 =          
11)   75 * 73 + 27 * 75 =          
12)   136 * 79 + 79 * 64 =          
13)   137 * 75 - 75 * 37 =          
14)   154 * 38 + 46 * 38 =          
15)   41 * 133 + 67 * 41 =          
16)   68 * 172 - 72 * 68 =          
17)   56 * 149 - 49 * 56 =          
18)   56 * 50 + 44 * 50 =          
19)   258 * 25 - 25 * 58 =          
20)   157 * 29 - 57 * 29 =          

Score: ______________   

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