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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 December 31 2025
12:52:27 AM
Wednesday December 31 2025
12:52:27 AM
Flip Answers
1)   393 * 407 =          
2)   295 * 305 =          
3)   303 * 297 =          
4)   194 * 206 =          
5)   108 * 92 =          
6)   198 * 202 =          
7)   104 * 96 =          
8)   90 * 110 =          
9)   291 * 309 =          
10)   296 * 304 =          
11)   158 * 71 + 71 * 42 =          
12)   151 * 74 + 74 * 49 =          
13)   239 * 34 - 39 * 34 =          
14)   72 * 129 + 71 * 72 =          
15)   61 * 42 + 158 * 61 =          
16)   143 * 45 + 45 * 57 =          
17)   59 * 42 + 42 * 141 =          
18)   158 * 47 - 58 * 47 =          
19)   81 * 159 + 41 * 81 =          
20)   75 * 91 + 91 * 125 =          

Score: ______________   

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