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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

Monday April 13 2026
03:37:55 AM
Monday April 13 2026
03:37:55 AM
Flip Answers
1)   205 * 195 =          
2)   90 * 110 =          
3)   192 * 208 =          
4)   207 * 193 =          
5)   104 * 96 =          
6)   98 * 102 =          
7)   92 * 108 =          
8)   407 * 393 =          
9)   309 * 291 =          
10)   201 * 199 =          
11)   69 * 28 + 69 * 72 =          
12)   138 * 28 - 38 * 28 =          
13)   72 * 129 + 71 * 72 =          
14)   25 * 175 - 75 * 25 =          
15)   65 * 55 + 45 * 65 =          
16)   262 * 70 - 62 * 70 =          
17)   54 * 252 - 54 * 52 =          
18)   155 * 48 + 45 * 48 =          
19)   76 * 272 - 72 * 76 =          
20)   243 * 68 - 43 * 68 =          

Score: ______________   

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