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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

Friday May 08 2026
12:53:52 PM
Friday May 08 2026
12:53:52 PM
Flip Answers
1)   101 * 99 =          
2)   190 * 210 =          
3)   191 * 209 =          
4)   309 * 291 =          
5)   195 * 205 =          
6)   194 * 206 =          
7)   392 * 408 =          
8)   107 * 93 =          
9)   104 * 96 =          
10)   399 * 401 =          
11)   243 * 57 - 43 * 57 =          
12)   39 * 42 + 158 * 39 =          
13)   61 * 36 + 61 * 164 =          
14)   57 * 154 - 54 * 57 =          
15)   51 * 151 - 51 * 51 =          
16)   51 * 37 + 51 * 63 =          
17)   33 * 162 + 38 * 33 =          
18)   93 * 65 + 93 * 35 =          
19)   259 * 24 - 59 * 24 =          
20)   58 * 48 + 58 * 52 =          

Score: ______________   

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