Lesson Plans & Worksheets Reviewed by Teachers

Student Achievement Partners

Illustrative Mathematics: Addition and Subtraction Fluency Set of Tasks [Pdf]

For Teachers K - 1st Standards

Students explore the relationship between addition and subtraction and develop an understanding of decomposing numbers in different ways in this first-grade lesson plan.

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AAA Math

Aaa Math: Inverse Relationship of Addition and Subtraction

For Students Pre-K - 1st Standards

This site introduces addition and subtraction fact families and provides an opportunity for students to practice the skill.

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AAA Math

Aaa Math: Inverse Relationship of Subtraction and Addition

For Students K - 1st Standards

Students explore the inverse relationship of addition and subtraction. The resource provides self-check exercises and timed learning games to practice the concept.

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Khan Academy

Khan Academy: Add Within 20

For Students K - 1st Standards

Practice adding. All numbers in these problems are 20 or less. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

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Illustrative Mathematics

Illustrative Mathematics: Building Toward Fluency

For Teachers 1st - 2nd Standards

The purpose of this task is to promote certain addition strategies that will help students learn to fluently add and subtract within 20. Students will use a number line or magnetic cubes to solve addition problems. Students will be asked...

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ICT Games

Ict Games: Funky Mummy

For Students 1st - 3rd Standards

Funky Mummy is a mobile-friendly number facts game. Play this game to practice quick recall of addition, subtraction and multiplication facts.

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CK-12 Foundation

Ck 12: Elem Math: Fluency in Subtraction Numbers Up to 20

For Students 1st - 2nd Standards

[Free Registration/Login may be required to access all resource tools.] The video uses a model to demonstrate subtraction with two numbers that are less than 10.

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Teachnology

Teachnology: Addition and Subtraction Teaching Theme

For Teachers Pre-K - 1st Standards

Addition and Subtraction Math Theme provides an excellent collection of free sample worksheets, teacher resources, lesson plans and interactive media to support addition and subtraction skills.

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Mr. Martini's Classroom

Mr. Martini's Classroom: Equivalent Addition Problems: Fill in the Blank

For Students K - 1st Standards

Students choose the correct number to balance the addition equation and create an equivalent sum.

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