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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

Wednesday July 18 2018
11:57:38 AM
Wednesday July 18 2018
11:57:38 AM
Flip Answers
1)   95 * 105 =          
2)   210 * 190 =          
3)   104 * 96 =          
4)   199 * 201 =          
5)   295 * 305 =          
6)   108 * 92 =          
7)   310 * 290 =          
8)   391 * 409 =          
9)   199 * 201 =          
10)   302 * 298 =          
11)   46 * 53 + 47 * 46 =          
12)   47 * 262 - 62 * 47 =          
13)   89 * 53 + 47 * 89 =          
14)   257 * 45 - 45 * 57 =          
15)   274 * 71 - 74 * 71 =          
16)   48 * 97 + 97 * 52 =          
17)   41 * 87 + 87 * 159 =          
18)   77 * 237 - 37 * 77 =          
19)   240 * 45 - 40 * 45 =          
20)   54 * 153 - 53 * 54 =          

Score: ______________   

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