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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

Monday August 21 2017
06:18:20 AM
Monday August 21 2017
06:18:20 AM
Flip Answers
1)   295 * 305 =          
2)   401 * 399 =          
3)   93 * 107 =          
4)   91 * 109 =          
5)   94 * 106 =          
6)   209 * 191 =          
7)   292 * 308 =          
8)   101 * 99 =          
9)   410 * 390 =          
10)   303 * 297 =          
11)   67 * 74 + 74 * 33 =          
12)   22 * 238 - 22 * 38 =          
13)   141 * 48 + 48 * 59 =          
14)   41 * 24 + 24 * 59 =          
15)   252 * 83 - 52 * 83 =          
16)   79 * 58 + 79 * 142 =          
17)   31 * 242 - 42 * 31 =          
18)   138 * 61 - 61 * 38 =          
19)   36 * 83 + 64 * 83 =          
20)   66 * 155 + 45 * 66 =          

Score: ______________   

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