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

Saturday April 29 2017
11:29:50 AM
Saturday April 29 2017
11:29:50 AM
Flip Answers
1)   208 * 192 =          
2)   109 * 91 =          
3)   206 * 194 =          
4)   392 * 408 =          
5)   397 * 403 =          
6)   205 * 195 =          
7)   194 * 206 =          
8)   210 * 190 =          
9)   106 * 94 =          
10)   195 * 205 =          
11)   77 * 65 + 77 * 135 =          
12)   48 * 34 + 52 * 34 =          
13)   43 * 92 + 92 * 57 =          
14)   84 * 40 + 60 * 84 =          
15)   250 * 76 - 76 * 50 =          
16)   67 * 55 + 33 * 55 =          
17)   171 * 87 - 71 * 87 =          
18)   84 * 69 + 84 * 131 =          
19)   58 * 28 + 28 * 42 =          
20)   74 * 35 + 35 * 26 =          

Score: ______________   

Provided by TigerNT.com