Name________________________

ADDING DECIMALS #6--KEY

Directions: Find the sum of the following decimals by rewriting the problem with your decimal points lined up. If necessary, use zeroes to hold your place values.

Examples: 0.25 + 0.1 becomes 0.25 and 3.2 + 0.125 becomes 3.200

+ 0.10 + 0.125

0.35 3.325

Original Problem Rewritten Problem Original Problem Rewritten Problem

1) 0.62 + 0.3 0.62 2) 3.002 + 1.01 3.002

+ 0.30 + 1.010

0.65 4.012

3) 8.05 + 0.1 8.05 4) 4.222 + 3.0 4.222

+ 0.10 + 3.000

8.15 7.222

5) 0.03+ 4.011 0.030 6) 6.008 + 0.01 6.008

+ 4.011 + 0.010

4.041 6.018

7) 5 + 0.42 5.00 8) 0.757 +0.222 0.757

+ 0.42 + 0.222

5.42 0.979

9) 3.2 + 2.3 3.2 10) 4.8 + 0.102 4.800

+ 2.3 + 0.102

5.5 4.902

11) 3.1 + 3.001 3.100 12) 0.004 + 5.5 0.004

+ 3.001 + 5.500

6.101 5.504