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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 January 01 2026
06:48:39 AM
Thursday January 01 2026
06:48:39 AM
Flip Answers
1)   305 * 295 =          
2)   295 * 305 =          
3)   391 * 409 =          
4)   190 * 210 =          
5)   390 * 410 =          
6)   299 * 301 =          
7)   91 * 109 =          
8)   201 * 199 =          
9)   90 * 110 =          
10)   292 * 308 =          
11)   270 * 92 - 92 * 70 =          
12)   66 * 154 - 54 * 66 =          
13)   78 * 41 + 78 * 59 =          
14)   247 * 32 - 47 * 32 =          
15)   272 * 54 - 54 * 72 =          
16)   75 * 171 - 75 * 71 =          
17)   73 * 81 + 127 * 81 =          
18)   46 * 21 + 54 * 21 =          
19)   60 * 58 + 58 * 40 =          
20)   78 * 145 + 55 * 78 =          

Score: ______________   

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