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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 March 07 2026
12:55:20 AM
Saturday March 07 2026
12:55:20 AM
Flip Answers
1)   392 * 408 =          
2)   398 * 402 =          
3)   110 * 90 =          
4)   310 * 290 =          
5)   407 * 393 =          
6)   102 * 98 =          
7)   393 * 407 =          
8)   402 * 398 =          
9)   105 * 95 =          
10)   303 * 297 =          
11)   36 * 143 - 36 * 43 =          
12)   79 * 174 - 74 * 79 =          
13)   83 * 161 + 83 * 39 =          
14)   56 * 82 + 44 * 82 =          
15)   30 * 256 - 30 * 56 =          
16)   89 * 60 + 40 * 89 =          
17)   270 * 69 - 69 * 70 =          
18)   33 * 42 + 58 * 33 =          
19)   145 * 57 + 55 * 57 =          
20)   82 * 134 + 66 * 82 =          

Score: ______________   

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