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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 June 16 2025
02:58:50 AM
Monday June 16 2025
02:58:50 AM
Flip Answers
1)   91 * 109 =          
2)   397 * 403 =          
3)   209 * 191 =          
4)   295 * 305 =          
5)   93 * 107 =          
6)   306 * 294 =          
7)   307 * 293 =          
8)   91 * 109 =          
9)   302 * 298 =          
10)   293 * 307 =          
11)   242 * 72 - 72 * 42 =          
12)   158 * 78 + 78 * 42 =          
13)   261 * 40 - 40 * 61 =          
14)   149 * 28 - 49 * 28 =          
15)   62 * 29 + 62 * 71 =          
16)   91 * 140 + 60 * 91 =          
17)   80 * 264 - 64 * 80 =          
18)   253 * 22 - 22 * 53 =          
19)   74 * 243 - 43 * 74 =          
20)   54 * 21 + 21 * 46 =          

Score: ______________   

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