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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

Tuesday January 22 2019
09:29:40 AM
Tuesday January 22 2019
09:29:40 AM
Flip Answers
1)   292 * 308 =          
2)   309 * 291 =          
3)   101 * 99 =          
4)   93 * 107 =          
5)   194 * 206 =          
6)   192 * 208 =          
7)   107 * 93 =          
8)   292 * 308 =          
9)   203 * 197 =          
10)   295 * 305 =          
11)   59 * 143 - 59 * 43 =          
12)   164 * 33 - 33 * 64 =          
13)   73 * 152 + 48 * 73 =          
14)   134 * 71 + 66 * 71 =          
15)   271 * 23 - 71 * 23 =          
16)   26 * 237 - 26 * 37 =          
17)   163 * 33 - 33 * 63 =          
18)   71 * 41 + 41 * 129 =          
19)   42 * 135 + 42 * 65 =          
20)   247 * 72 - 72 * 47 =          

Score: ______________   

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