Adding and Subtracting Decimals
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Objective
I can add and subtract decimals to the hundredths place.
Part 1 of 4
Warm-up video
Math Defined · 3:52
We don't generate video — this one is by Math Defined on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.
Part 2 of 4
Key concepts
3 concepts
- 1
When adding or subtracting decimal numbers, it is important to line up the numbers by their place value, which also lines up their decimal points.
- 2
When you add or subtract decimal numbers, bring the decimal point straight down into your answer.
- 3
In the video's problem, the correct amount of change should have been $11.66, but the cashier gave back $12.34.
Part 3 of 4
Practice
8 questions
What is the most important thing to remember when adding or subtracting decimal numbers?
Solve: 4.25 + 2.31
Part 4 of 4
Exit ticket
Quick comprehension check
“Sarah bought a book for $6.75 and a pen for $2.18. What was the total cost? Show your work.”
Sample answer included in the free materials
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