
Adding and Subtracting Decimals
6th Grade · Math · 60 min· Ccss Ccss.math.content.6.ns.b.3
Lesson Preview
Learning Objective
I can add and subtract decimals using the standard algorithm.
- 1
When adding or subtracting decimals, the first step is to line up the decimals to ensure that all the places are lined up correctly.
- 2
When adding or subtracting decimals, you can use placeholder zeros to the right of a decimal without changing its value, which helps to line up the numbers.
- 3
When subtracting decimals, remember to borrow if the top digit is smaller than the bottom digit; do not simply drop the bottom number.


