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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 April 14 2026
08:42:36 AM
Tuesday April 14 2026
08:42:36 AM
Flip Answers
1)   395 * 405 =          
2)   395 * 405 =          
3)   294 * 306 =          
4)   401 * 399 =          
5)   292 * 308 =          
6)   410 * 390 =          
7)   105 * 95 =          
8)   110 * 90 =          
9)   299 * 301 =          
10)   191 * 209 =          
11)   81 * 41 + 81 * 59 =          
12)   48 * 57 + 43 * 48 =          
13)   31 * 138 - 38 * 31 =          
14)   47 * 34 + 47 * 66 =          
15)   250 * 60 - 60 * 50 =          
16)   275 * 41 - 75 * 41 =          
17)   35 * 42 + 158 * 35 =          
18)   91 * 48 + 91 * 152 =          
19)   43 * 151 - 43 * 51 =          
20)   22 * 247 - 22 * 47 =          

Score: ______________   

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