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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

Sunday April 19 2026
01:03:34 PM
Sunday April 19 2026
01:03:34 PM
Flip Answers
1)   110 * 90 =          
2)   303 * 297 =          
3)   308 * 292 =          
4)   393 * 407 =          
5)   391 * 409 =          
6)   93 * 107 =          
7)   104 * 96 =          
8)   292 * 308 =          
9)   391 * 409 =          
10)   309 * 291 =          
11)   45 * 70 + 70 * 155 =          
12)   163 * 85 - 85 * 63 =          
13)   56 * 126 + 56 * 74 =          
14)   239 * 97 - 97 * 39 =          
15)   260 * 66 - 60 * 66 =          
16)   246 * 49 - 49 * 46 =          
17)   38 * 68 + 68 * 62 =          
18)   242 * 50 - 42 * 50 =          
19)   58 * 60 + 40 * 58 =          
20)   265 * 69 - 65 * 69 =          

Score: ______________   

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