Adding Whole Numbers and Decimals (Base-10 Blocks)
Use base-10 blocks to model two numbers. Then combine the blocks to model the sum. Blocks of equal value can be exchanged from one area of the mat to the other to help understand carrying when adding. Four sets of blocks are available to model different place values.
Launch GizmoAdding Whole Numbers and Decimals (Base-10 Blocks)
Use base-10 blocks to model two numbers. Then combine the blocks to model the sum. Blocks of equal value can be exchanged from one area of the mat to the other to help understand carrying when adding. Four sets of blocks are available to model different place values.
5 Minute Preview
Use for 5 minutes a day.
LEARNING OBJECTIVES:
- Add whole numbers with regrouping.
- Add decimals with regrouping.
- Add decimals with the same number of digits.
- Add decimals with different numbers of digits.
- Explain what is happening when you "carry" a digit from one column to another during column addition.
VOCABULARY:
- addend, base-10 blocks, base-10 system, decimal, decimal point, sum, whole number
LESSON MATERIALS:
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Google Doc of Student Exploration Sheet
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3rd Grade, 4th Grade, 5th Grade Math
Adding Whole Numbers and Decimals (Base-10 Blocks) Vocabulary Sheet-French
This is the French translation of the Vocabulary Sheet
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3rd Grade, 4th Grade, 5th Grade Math
Adding Whole Numbers and Decimals (Base-10 Blocks) Teacher Guide-French
This is the French translation of the Teacher Guide
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3rd Grade, 4th Grade, 5th Grade Math
Adding Whole Numbers and Decimals (Base-10 Blocks) Student Exploration Sheet-French
This is the French translation of the Student Exploration Sheet
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3rd Grade, 4th Grade, 5th Grade Math
Decimals in money
Addition and subtraction of money
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4th Grade Math
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User Recommendations (showing 5 of 7):
Hearing students discuss options as they worked was delightful.
Recommended for: 3rd Grade, 4th Grade MathGizmo User from Saskatchewan
I found it very simple and very very useful for the students
Recommended for: 5th Grade MathGizmo User from Ash Sharqīyah
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