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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

Thursday January 01 2026
02:30:06 PM
Thursday January 01 2026
02:30:06 PM
Flip Answers
1)   197 * 203 =          
2)   410 * 390 =          
3)   309 * 291 =          
4)   103 * 97 =          
5)   108 * 92 =          
6)   96 * 104 =          
7)   99 * 101 =          
8)   103 * 97 =          
9)   394 * 406 =          
10)   106 * 94 =          
11)   66 * 61 + 66 * 39 =          
12)   77 * 171 - 77 * 71 =          
13)   28 * 165 - 65 * 28 =          
14)   69 * 44 + 31 * 44 =          
15)   77 * 157 + 43 * 77 =          
16)   90 * 237 - 37 * 90 =          
17)   248 * 87 - 48 * 87 =          
18)   246 * 58 - 58 * 46 =          
19)   44 * 155 - 44 * 55 =          
20)   135 * 42 - 35 * 42 =          

Score: ______________   

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