Operations with Decimals: Addition and Subtraction
Students will perform addition and subtraction with decimal numbers, including those with different numbers of decimal places, in various contexts.
Key Questions
- Explain the importance of aligning decimal points when adding or subtracting decimals.
- Evaluate the reasonableness of an answer to a decimal addition or subtraction problem using estimation.
- Design a problem involving money that requires adding or subtracting decimals.
NCCA Curriculum Specifications
Suggested Methodologies
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5E Model
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