Understanding Adding and Subtracting Decimals
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Video explanation of this concept
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Beginner
Start here! Easy to understand
Beginner Explanation
When adding or subtracting decimals, align the decimal points and add zeros to the end of a number if it has fewer digits to the right of the decimal point.
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Practice Problems
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1
Quick Quiz
Single Choice Quiz
Beginner
What is $13.492 + 7.8$?
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2
Real-World Problem
Question Exercise
Intermediate
Bakery Scenario
You bought a cake for $13.492$ dollars and a drink for $7.8$ dollars. How much did you spend in total?
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3
Thinking Challenge
Thinking Exercise
Intermediate
Think About This
If you have $13.492$ dollars and you spend $7.8$ dollars, how much money do you have left?
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4
Challenge Quiz
Single Choice Quiz
Advanced
What is $123.456 - 78.9$?
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Recap
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Review key concepts and takeaways
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