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Lesson Plan
Curated OER

Subtraction Shopping

For Teachers 3rd - 5th
Students subtract two digit numbers. They check each other's answers for accuracy.
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Worksheet
Curated OER

Subtraction Practice Series

For Students 2nd
In this mathematics worksheet, 2nd graders solve a number of problems by subtracting a two-digit number from another two-digit number and regrouping when necessary. There are 36 problems to solve on the sheet.
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Worksheet
Curated OER

Simple Integer Subtraction

For Students 2nd
In this mathematics worksheet, 2nd graders solve a number of problems by subtracting simple integers from each other. There are 42 problems to solve on the sheet.
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Worksheet
Curated OER

Money Subtraction (H)

For Students 2nd - 3rd
In this money subtraction learning exercise, students subtract the monetary amounts in increments of 10 cents. Students solve 20 subtraction problems. This learning exercise uses the Euro sign.
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Worksheet
Curated OER

Money Subtraction (I)

For Students 1st - 3rd
In this money subtraction instructional activity, students subtract the monetary amounts in increments of 10 cents. Students solve 20 subtraction problems. This instructional activity uses the Euro sign.
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Study Guide
Curated OER

Adding Integers with Two Colour Counters

For Teachers 9th - 10th
Students use the zero principle to add integers. In this algebra lesson, students add positive and negative integers verifying the zero principle. They use manipulatives to help them see how opposites can cancel each other out.
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Worksheet
Curated OER

Subtraction of 3 Digit Numbers with Regrouping

For Students 3rd - 4th
In this subtraction worksheet, students solve 25 problems in which 3 digit numbers are subtracted with regrouping. Students also use addition to check. This page was intended to be an online activity, but can be completed with pencil and...
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Lesson Plan
Curated OER

Money Subtraction (C)

For Teachers 1st - 2nd
In this subtracting money worksheet, students enhance their subtraction skills by subtracting the monetary amounts in increments of 10 cents. Students solve 20 problems.
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Lesson Plan
Curated OER

Money Subtraction (D)

For Teachers 2nd - 3rd
For this subtracting money worksheet, students enhance their subtraction skills by subtracting the monetary amounts in increments of 10 cents. Students solve 20 problems.
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Lesson Plan
Curated OER

Addition and Subtraction Facts To 20

For Teachers 1st
First graders use manipulatives, flash cards, number sentences and story problems to practice their addition and subtraction facts to twenty.
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Worksheet
Curated OER

Addition and Subtraction of Decimals

For Students 5th - 6th
In these decimal skills worksheets, students solve the equations and word problems using addition or subtraction. Students then solve the decimal equations and word problems using addition or subtraction.
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Lesson Plan
Curated OER

Addition and Subtraction

For Teachers 3rd - 4th
Students complete addition and subtraction activities. In this addition and subtraction lesson plan, students write a sum with missing numbers or symbols and use parts of their bodies to show the missing symbol or number. Students guess...
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Interactive
Curated OER

Addition and Subtraction Sentences

For Students 1st - 2nd
In this addition and subtraction activity, learners write read the addition or subtraction number sentences and solve the 4 problems.
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Worksheet
EdHelper

Addition and Subtraction

For Students 1st - 2nd
In this addition and subtraction instructional activity, students use addition or subtraction to find the sum or differences for the 25 double digit problems.
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Lesson Plan
Curated OER

Mathematical Properties for Addition

For Teachers 5th - 6th
In this math worksheet, students read about and learn the properties of addition. Students study the commutative, associative, identity and inverse properties. There are no problems on this page for students to solve.
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Interactive
Curated OER

Word Problems With Both Addition And Subtraction

For Students 3rd - 5th
In this on-line addition and subtraction worksheet, students complete 2 multiple choice word problems containing both operations. Students can check their answers at the end of the worksheet.
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Worksheet
Curated OER

Addition and Subtraction

For Students 2nd - 3rd
In this addition and subtraction worksheet, learners analyze a math sentence such as: 16+2 = 12-6. Students solve the problems on each side of the equal sign, and mark "true" if the answers are the same and "false" if they are different....
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Interactive
Curated OER

Addition and Subtraction

For Students 1st - 2nd
For this addition and subtraction worksheet, students use the number line to help find the missing numbers for the 23 single and double digit problems.
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Worksheet
Curated OER

Addition and Subtraction

For Students 1st - 2nd
In this addition and subtraction worksheet, students add or subtract the single and double digit problems. Students solve 14 problems.
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Worksheet
Curated OER

Addition Strategies: Compensation

For Students 3rd - 4th
In this math worksheet, students learn the addition strategy of compensation: adding an easy number like 10, 20 or 30 and then subtracting a very small number like 1 or 2. Students solve 12 problems on the page.
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Lesson Plan
Curated OER

Additive Inverses

For Teachers 6th - 8th
Students investigate properties of additive inverses.  In this properties of additive inverses lesson, students discuss the what it means for two numbers to be opposites.  Students discuss representing opposite numbers using a negative...
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Lesson Plan
Curated OER

Relating Multiplication And Addition

For Teachers 4th - 5th
In this relating multiplication and addition worksheet, students, with a partner, problem solve and calculate the answers to ten subtraction and addition equations.
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Worksheet
Curated OER

3 Digit Subtraction With Borrowing

For Teachers 2nd
In this subtraction worksheet, 2nd graders complete 16 two digit subtraction problems with regrouping. There are no 3 digit numbers on this worksheet.
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Worksheet
Curated OER

Using Subtraction Strategies 2

For Students 1st - 2nd
For this subtraction strategies worksheet, students review the ways to subtract and then solve the subtraction problems. Students also answer a test prep question.

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