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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 25 2017
01:24:42 PM
Saturday March 25 2017
01:24:42 PM
Flip Answers
1)   105 * 95 =          
2)   298 * 302 =          
3)   107 * 93 =          
4)   191 * 209 =          
5)   392 * 408 =          
6)   92 * 108 =          
7)   209 * 191 =          
8)   405 * 395 =          
9)   202 * 198 =          
10)   295 * 305 =          
11)   158 * 92 - 92 * 58 =          
12)   154 * 76 - 76 * 54 =          
13)   175 * 87 - 75 * 87 =          
14)   28 * 70 + 72 * 70 =          
15)   266 * 46 - 66 * 46 =          
16)   95 * 46 + 95 * 154 =          
17)   32 * 33 + 32 * 67 =          
18)   30 * 136 - 30 * 36 =          
19)   44 * 42 + 42 * 56 =          
20)   88 * 154 - 54 * 88 =          

Score: ______________   

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