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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 May 18 2026
12:06:48 AM
Monday May 18 2026
12:06:48 AM
Flip Answers
1)   99 * 101 =          
2)   98 * 102 =          
3)   93 * 107 =          
4)   408 * 392 =          
5)   90 * 110 =          
6)   210 * 190 =          
7)   204 * 196 =          
8)   192 * 208 =          
9)   304 * 296 =          
10)   394 * 406 =          
11)   260 * 69 - 60 * 69 =          
12)   47 * 77 + 53 * 77 =          
13)   47 * 53 + 47 * 47 =          
14)   69 * 135 - 35 * 69 =          
15)   83 * 39 + 83 * 61 =          
16)   83 * 243 - 43 * 83 =          
17)   43 * 61 + 57 * 61 =          
18)   171 * 37 - 37 * 71 =          
19)   263 * 23 - 63 * 23 =          
20)   43 * 93 + 57 * 93 =          

Score: ______________   

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