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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 April 18 2026
10:17:48 AM
Saturday April 18 2026
10:17:48 AM
Flip Answers
1)   301 * 299 =          
2)   96 * 104 =          
3)   99 * 101 =          
4)   399 * 401 =          
5)   408 * 392 =          
6)   295 * 305 =          
7)   91 * 109 =          
8)   407 * 393 =          
9)   97 * 103 =          
10)   101 * 99 =          
11)   30 * 35 + 65 * 30 =          
12)   167 * 50 - 67 * 50 =          
13)   161 * 24 - 61 * 24 =          
14)   45 * 87 + 155 * 87 =          
15)   252 * 52 - 52 * 52 =          
16)   251 * 28 - 51 * 28 =          
17)   272 * 71 - 72 * 71 =          
18)   150 * 85 + 50 * 85 =          
19)   79 * 39 + 79 * 161 =          
20)   140 * 42 - 40 * 42 =          

Score: ______________   

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