Intro & Concept
To add and subtract decimals, you must **line up the decimal points**! This is the most important step. Once the decimal points are lined up, you can add or subtract just like you would with whole numbers. Don't forget to add zeros to make the numbers the same length! 📏
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Animated Tutorial Video
Click Play to watch a detailed animated example of adding and subtracting decimals.
Interactive Practice
Solve these problems and type your answer. Be sure to include the decimal point.
1) 2.5 + 3.4
2) 7.8 - 4.1
3) 6.2 + 1.55
4) 10.5 - 3.75
Random Challenge
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⚡ Speed Quiz
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