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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 October 20 2025
03:10:56 AM
Monday October 20 2025
03:10:56 AM
Flip Answers
1)   199 * 201 =          
2)   306 * 294 =          
3)   198 * 202 =          
4)   195 * 205 =          
5)   91 * 109 =          
6)   309 * 291 =          
7)   207 * 193 =          
8)   95 * 105 =          
9)   105 * 95 =          
10)   397 * 403 =          
11)   57 * 28 + 28 * 43 =          
12)   139 * 26 - 39 * 26 =          
13)   236 * 51 - 51 * 36 =          
14)   71 * 56 + 56 * 129 =          
15)   84 * 50 + 84 * 50 =          
16)   151 * 59 - 59 * 51 =          
17)   155 * 83 - 55 * 83 =          
18)   241 * 78 - 41 * 78 =          
19)   81 * 166 - 81 * 66 =          
20)   25 * 87 + 87 * 75 =          

Score: ______________   

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