Add and Subtract Decimals

This tutorial will explain how to add and subtract decimals.

How to add decimals


 

  1. Estimate the answer to the nearest whole number.
  2. Find the decimal point.
  3. LINE UP the decimal point.
  4. Fill in empty spots with zeros.
  5. Add
  6. Bring down the decimal point into your answer.

Example of addition with decimals

Here is an example of adding decimals

add decimals

 

How to subtract decimals


 

  1. Estimate the answer to the nearest whole number.
  2. Find the decimal point.
  3. LINE UP the decimal point.
  4. Fill in empty spots with zeros.
  5. Subtract
  6. Bring down the decimal point into your answer.

 

 

Example of subtraction with decimals


Here is an example of subtracting decimals.

subtract decimals

Watch a Video Tutorial


Here is a video tutorial on adding and subtracting decimals.

Interactive Class on this Topic


Take an interactive middle school math class on this material, click here

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