Adding, Subtracting, Multiplying, and Dividing Decimals Answer Key
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| Adding Decimals |
| #1 |
0.5 + 0.8 = |
1.3 |
| #2 |
3.35 + 5 = |
8.35 |
| #3 |
13.90 + 0.1 = |
14 |
| #4 |
6.435 + .82 = |
7.255 |
| #5 |
811.06 + 78.432323 |
889.492323 |
| Subtracting Decimals |
| #1 |
47.5 - 32.7 = |
14.8 |
| #2 |
85.7 - 9.8 = |
75.9 |
| #3 |
9. - 8.16 = |
.84 |
| #4 |
172.8 - 63.9 = |
108.9 |
| #5 |
638.999 - 19.34 = |
619.659 |
| Multiplying Decimals |
| #1 |
2.5 x .9 |
2.25 |
| #2 |
67.4 x 6 |
404.4 |
| #3 |
83.79 x 0. 9= |
75.411 |
| #4 |
3.5 x 3.21 |
11.235 |
| #5 |
.287 x 2.9 |
.8323 |
| Dividing Decimals |
| #1 |
27.9 / 0.3 |
93 |
| #2 |
42.6 / 0.6 |
71 |
| #3 |
7 / 8 |
0.875 |
| #4 |
83.3 / .07 |
1190 |
| #5 |
3.672/2.4 = |
1.53 |
| Fractions |
| #1 |
1/9 + 5/9 = |
6/9 = 2/3 |
| #2 |
2/5 + 1/10 = |
5/10 = 1/2 |
| #3 |
7/9 - 2/3 = |
1/9 |
| #4 |
3/4 x 1/2 = |
3/8 |
| #5 |
2/3 / 1/3 = |
2 |
| Final Question |
| What is 0.005 cubed? |
0.000000125 |
