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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
02:55:13 AM
Sunday January 11 2026
02:55:13 AM
Flip Answers
1)   410 * 390 =          
2)   206 * 194 =          
3)   297 * 303 =          
4)   110 * 90 =          
5)   401 * 399 =          
6)   196 * 204 =          
7)   392 * 408 =          
8)   110 * 90 =          
9)   405 * 395 =          
10)   210 * 190 =          
11)   236 * 46 - 36 * 46 =          
12)   137 * 84 + 63 * 84 =          
13)   51 * 70 + 49 * 70 =          
14)   83 * 173 - 73 * 83 =          
15)   245 * 88 - 88 * 45 =          
16)   73 * 63 + 37 * 73 =          
17)   60 * 257 - 57 * 60 =          
18)   59 * 75 + 41 * 75 =          
19)   64 * 58 + 58 * 36 =          
20)   54 * 35 + 46 * 35 =          

Score: ______________   

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