Math: Subtraction with Regrouping
These sites help students understand the regrouping concept with subtraction. Learn how to borrow numbers from other columns. There are interactives, a video, worksheets, and riddles for students to learn and practice on subtraction with regrouping. There are also links to eThemes Resources on subtraction and subtraction across zero.
Grades
- 2,
- 3,
- 4
Links
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Scholastic Study Jams: Subratction with Regrouping
Use the scenarios to teach subtraction with regrouping. Students can request help during each step.
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Kahn Academy Subtraction with Regrouping
Use this video as an introduction for subtraction with regrouping with students. Practice exercises are provided.
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Regrouping Rap
Use the rap to help students understand the concept of regrouping.
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Subtracting 2-Digit Numbers with Regrouping Mini-Lesson
Watch an interactive illustration showing how to subtract 2-digit numbers with regrouping. NOTE: This site requires a flash player plug-in. This site contains a banner ad.
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Math Model: Subtract Two-Digit Numbers with Regrouping
This interactive model shows and explains how to do regrouping.
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Math Playground: How Do You Subtract by Regrouping
This video shows how to do regrouping by using base blocks to visually illustrate regrouping concept.
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Base Blocks Subtraction
This online interactive uses base ten blocks to model separation of groups in subtraction.
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Subtraction with Regrouping
Read ideas from teachers about different techniques, including riddles, they used to teach regrouping concept to young students. NOTE: This site contains ads.
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Borrowing When Subtracting in Columns
This page has exercises and examples for teaching borrowing concept in subtraction. NOTE: This site contains ads.
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ABCTeach: 2 Digit with Grouping Worksheet
Here is a five-page pdf worksheet with answers that you can print out.
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eThemes Resource: Math: Subtraction Across Zero
Learn how to subtract across zeros and regroup numbers. There are interactive tutorials, powerpoint slides, math games, worksheets, and word problems. There are also links to eThemes Resource on subtraction and addition.
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eThemes Resource: Math: Subtraction
Learn how to subtract using the rule of regrouping. These sites have online lessons, PowerPoint presentations, and a rhyme that can help kids to understand how regrouping works. Includes printable worksheets and puzzles, online exercises and games. This page also includes a link to another eThemes resource on addition and subtraction.
Education Standards
- AL
- MO
- NV
- IL
