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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 March 05 2026
06:15:06 PM
Thursday March 05 2026
06:15:06 PM
Flip Answers
1)   209 * 191 =          
2)   398 * 402 =          
3)   191 * 209 =          
4)   103 * 97 =          
5)   299 * 301 =          
6)   105 * 95 =          
7)   99 * 101 =          
8)   392 * 408 =          
9)   290 * 310 =          
10)   197 * 203 =          
11)   129 * 62 + 71 * 62 =          
12)   25 * 65 + 135 * 25 =          
13)   61 * 31 + 61 * 69 =          
14)   270 * 46 - 46 * 70 =          
15)   155 * 76 - 76 * 55 =          
16)   76 * 161 - 76 * 61 =          
17)   244 * 60 - 60 * 44 =          
18)   72 * 163 - 63 * 72 =          
19)   65 * 36 + 36 * 135 =          
20)   36 * 141 - 36 * 41 =          

Score: ______________   

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