Practice Adding and Subtracting Decimals in Math
Use these practice problems to test your method after reviewing the concept explanation and worked examples.
Quick Recap
Adding and subtracting numbers with decimal points by aligning the decimal points vertically so that digits with the same place value line up.
Think of money: . You line up the dollars with dollars, the dimes with dimes, and the pennies with pennies. The decimal point is the anchor that keeps everything in the right place.
Showing a random 20 of 50 problems.
Example 1
mediumSubtract: .
Example 2
easyAdd: .
Example 3
hardAdd: .
Example 4
mediumJamie has \$10.00. She spends \$3.45 on lunch and \$2.20 on a snack. How much is left?
Example 5
easyAdd: .
Example 6
easyAdd: .
Example 7
easySubtract: .
Example 8
mediumSubtract: .
Example 9
hardA jar holds L. You add L, then pour out L. How much is in the jar?
Example 10
challengeEvaluate left to right.
Example 11
mediumSubtract: .
Example 12
mediumAdd: .
Example 13
easyAdd: .
Example 14
hardFind the missing addend: .
Example 15
mediumAdd: .
Example 16
mediumA board is m. You saw off m, then attach m. How long is it now?
Example 17
easyAdd: .
Example 18
mediumFind the missing addend: .
Example 19
easySubtract: .
Example 20
hardSubtract: .