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Lesson Plan
Scholastic

Scholastic: Max's Math Adventures: Subtraction Square Dance

For Teachers 3rd - 5th
This site has a square dance rhyme with some fun subtraction practice. Teachers will appreciate the activity page, the extra challenges, and the teacher's guide for easy lesson planning.
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Unknown Type
Lizard Point Quizzes

Lizard Point: Subtraction Practice

For Students Pre-K - 1st Standards
At this site from Lizard Point Consulting, you can practice several different levels of difficulty of subtraction problems that use 1-digit numbers all the way up to 3-digit number subtraction problems that require regrouping. You can...
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Interactive
Calculator Soup

Calculator Soup: Long Subtraction Calculator With Regrouping

For Students 9th - 10th Standards
Do long subtraction with regrouping or borrowing. Enter whole numbers or decimal numbers to find the difference. This calculator finds the answer using long subtraction with regrouping and shows the work step by step.
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Activity
NumberNut

Number Nut: Subtraction: 2 Digit Numbers

For Students 3rd - 8th Standards
Subtracting from two-digit numbers can be "as easy as pie" when you follow these instructions. Then practice the skills doing the two interactive activities; one with regrouping and one without.
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Whiteboard
ClassFlow

Class Flow: Subtraction With Regrouping

For Teachers Pre-K - 1st
[Free Registration/Login Required] This flipchart reviews 2 Digit subtraction with regrouping for 2 grade students.
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Unknown Type
Other

Project Happy Child: Free Subtraction Worksheets

For Teachers Pre-K - 1st Standards
2000 basic subtraction worksheets are available at this web site. They can be printed and used for a variety of practice purposes. Some helpful hints are included to avoid mindless practice that could quickly become counter productive.
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Activity
NumberNut

Number Nut: Subtraction: Borrowing

For Students 3rd - 8th
Sometimes you need to borrow when subtracting. This lesson takes you through the steps. Then practice the skills with the interactive activities using two and three-digit subtraction with borrowing.
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Activity
Beacon Learning Center

Beacon Learning Center: School Store

For Students 1st - 3rd
Students can practice subtraction with regrouping using decimals as they make change.
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Unknown Type
Khan Academy

Khan Academy: Regrouping: Two Digit Number Minus One Digit Number

For Students Pre-K - 1st Standards
In this exercise, students practice regrouping with two-digit number minus one-digit number. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
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Handout
Cool Math

Coolmath: Coolmath4kids: Subtracting Numbers Within 100 With Regrouping

For Students 2nd - 3rd Standards
A step-by-step tutorial showing how to subtract using two-digit numbers in the tens and ones columns with regrouping. Includes sample problems to try. It also provides links to subtraction games and more.
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Unit Plan
Scholastic

Scholastic: Study Jams! Math: Addition and Subtraction: Additon With Regrouping

For Students K - 1st Standards
Solve problems step by step by addition with regrouping.
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Subtracting 2 Digit Numbers With Regrouping

For Students 2nd - 4th
[Free Registration/Login may be required to access all resource tools.] The video describes how to solve a two-digit subtraction problem with regrouping. The video is followed by additional problems for students to practice the skills...
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Website
Cool Math

Coolmath: Coolmath4kids: Subtraction

For Students K - 1st Standards
A set of seven short tutorials on subtraction. Begins with a basic introduction to how subtraction works and covers topics such as fact families, place value, and regrouping.
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Subtracting 2 Digit Numbers Without Regrouping

For Students 2nd - 4th
[Free Registration/Login may be required to access all resource tools.] The video describes how to solve a two-digit subtraction problem without regrouping. The video is followed by additional problems for students to practice the skills...
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Unit Plan
Khan Academy

Khan Academy: Subtraction Within 1000

For Students 3rd - 5th Standards
In this exercise, students practice subtraction within 1000. Students receive immediate feedback and have the opportunity to get hints, watch video tutorials, and try questions repeatedly. CCSS.Math.Content.3.NBT.A.2 Fluently add and...
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Unknown Type
Illustrative Mathematics

Illustrative Mathematics: 4.nbt to Regroup or Not to Regroup

For Teachers 3rd - 5th Standards
Sometimes when we subtract one number from another number we "regroup," and sometimes we don't. For example, if we subtract 38 from 375, we can "regroup" by converting a ten to 10 ones: Aligns with 4.NBT.B.
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Lesson Plan
Alabama Learning Exchange

Alex: Three Digit Subtraction

For Teachers 3rd - 5th Standards
This lesson uses technology and literature to teach subtraction of three-digit numbers, including subtraction across zeros.
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Unknown Type
NumberNut

Number Nut: Subtraction: Two Digit Subtraction With No Borrowing

For Students Pre-K - 1st Standards
A quiz for practicing vertical subtraction with two-digit numbers where there is no regrouping.
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Unknown Type
NumberNut

Number Nut: Subtraction: Three Digit Subtraction With No Borrowing

For Students 3rd - 5th
A quiz for practicing subtraction with three-digit numbers where there is no regrouping.
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Activity
NumberNut

Number Nut: Subtraction: 1 to 10

For Students Pre-K - 1st Standards
Subtraction is about taking things away. Learn how to set up the problem and work with single-digits to 10. Then practice the skills with the two interactive subtraction activities.
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Unit Plan
Khan Academy

Khan Academy: Subtracting 1s or 10s (No Regrouping)

For Students 1st - 3rd Standards
Practice solving problems like 67-5 and 67-50. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a tutorial video, or receive hints.
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Unknown Type
NumberNut

Number Nut: Subtraction: Two Digit Subtraction With Borrowing

For Students Pre-K - 1st Standards
A quiz for practicing subtraction with two-digit numbers where there is regrouping.
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Unknown Type
NumberNut

Number Nut: Subtraction: Three Digit Subtraction With Borrowing

For Students 3rd - 5th
A quiz for practicing subtraction with three-digit numbers where there is regrouping.
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Unknown Type
Khan Academy

Khan Academy: Regrouping When Adding One Digit Numbers

For Students Pre-K - 1st Standards
In this exercise, students practice regrouping when adding one-digit numbers. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.

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