Home E-C Dict C-E Dict Online Tools Recipe

Math Main Page => Exercises - Math III    
 

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 February 20 2026
08:42:23 AM
Friday February 20 2026
08:42:23 AM
Flip Answers
1)   91 * 109 =          
2)   199 * 201 =          
3)   407 * 393 =          
4)   407 * 393 =          
5)   403 * 397 =          
6)   402 * 398 =          
7)   204 * 196 =          
8)   403 * 397 =          
9)   109 * 91 =          
10)   307 * 293 =          
11)   91 * 267 - 91 * 67 =          
12)   268 * 80 - 80 * 68 =          
13)   97 * 73 + 97 * 127 =          
14)   154 * 46 - 54 * 46 =          
15)   138 * 46 - 46 * 38 =          
16)   161 * 92 - 61 * 92 =          
17)   81 * 157 - 81 * 57 =          
18)   84 * 54 + 84 * 46 =          
19)   153 * 88 + 88 * 47 =          
20)   67 * 42 + 42 * 33 =          

Score: ______________   

Provided by TigerNT.com