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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 May 09 2026
08:24:19 AM
Saturday May 09 2026
08:24:19 AM
Flip Answers
1)   205 * 195 =          
2)   209 * 191 =          
3)   191 * 209 =          
4)   303 * 297 =          
5)   410 * 390 =          
6)   392 * 408 =          
7)   202 * 198 =          
8)   396 * 404 =          
9)   95 * 105 =          
10)   207 * 193 =          
11)   30 * 249 - 30 * 49 =          
12)   35 * 35 + 65 * 35 =          
13)   21 * 169 - 69 * 21 =          
14)   45 * 58 + 155 * 58 =          
15)   136 * 46 - 46 * 36 =          
16)   237 * 81 - 81 * 37 =          
17)   140 * 49 - 49 * 40 =          
18)   83 * 267 - 67 * 83 =          
19)   53 * 25 + 47 * 25 =          
20)   38 * 40 + 60 * 38 =          

Score: ______________   

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