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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

Thursday May 21 2026
12:19:08 AM
Thursday May 21 2026
12:19:08 AM
Flip Answers
1)   101 * 99 =          
2)   95 * 105 =          
3)   390 * 410 =          
4)   90 * 110 =          
5)   193 * 207 =          
6)   109 * 91 =          
7)   398 * 402 =          
8)   199 * 201 =          
9)   396 * 404 =          
10)   392 * 408 =          
11)   241 * 27 - 27 * 41 =          
12)   37 * 151 - 37 * 51 =          
13)   28 * 61 + 139 * 28 =          
14)   136 * 91 - 36 * 91 =          
15)   56 * 249 - 56 * 49 =          
16)   149 * 21 - 49 * 21 =          
17)   256 * 96 - 96 * 56 =          
18)   49 * 92 + 92 * 151 =          
19)   271 * 90 - 90 * 71 =          
20)   77 * 57 + 77 * 143 =          

Score: ______________   

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