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Learning Goal
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Fluently add and subtract multi-digit whole numbers using the standard algorithm
Start lessonBegins with Adding and subtracting multi digit numbers · Slides
Teacher tools for this standard
Lesson Plan · Guided Notes · Exit Ticket · Re-teach · Homework
Teacher tools for this standard
Lesson Plan · Guided Notes · Exit Ticket · Re-teach · Homework
- Lesson Plan →Objectives, pacing and practice, built from this lesson's brief.
- Guided Notes →One page your students fill in and keep.
- Exit Ticket →Three items at the end of class. No student accounts.
- Re-teach →After an exit ticket: who missed what, and what to do tomorrow.
- Homework →Assign practice; it grades itself.
4.NBT.B.4
**4.NBT.B.4**: Fluently add and subtract multi-digit whole numbers using the standard algorithm.
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4.NBT.B.4: Fluently add and subtract multi-digit whole numbers using the standard algorithm.
What you'll learn
- Add multi-digit whole numbers (up to 1,000,000) using the standard algorithm, including problems that require regrouping (carrying) across multiple place values
- Subtract multi-digit whole numbers (up to 1,000,000) using the standard algorithm, including problems that require regrouping (borrowing) across multiple place values
- Explain why the standard algorithm works by connecting each step to place value -- each column adds or subtracts units of the same size, and regrouping trades 10 of one unit for 1 of the next larger unit
- Handle subtraction from numbers containing zeros that require regrouping across multiple columns (e.g., 5,000 - 1,237)
- Check the reasonableness of addition and subtraction results using estimation and by using the inverse operation (adding to check subtraction)
Slides
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Adding and subtracting multi digit numbers
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