Lesson Plan
Better Lesson

Better Lesson: Solving Subtraction Number Stories Writing the Answer Lesson Plan

For Teachers K Standards
Students will be able to solve subtraction word problems using objects and write a numeral for the solution.
Lesson Plan
Better Lesson

Better Lesson: Solving Subtraction Number Stories Under the Sea

For Teachers K Standards
Students will be able to solve subtraction word problems using objects.
Lesson Plan
Other

Nearpod: Addition & Subtraction Strategies

For Teachers 1st - 2nd
In this lesson, students will relate counting to addition and subtraction and will learn several strategies for solving addition and subtraction problems.
Unit Plan
Khan Academy

Khan Academy: Multi Step Estimation Word Problems

For Students 3rd - 5th Standards
Use estimation to solve multi-step word problems involving addition, subtraction, multiplication, and division. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
Khan Academy

Khan Academy: Challenging Add and Subtract Word Problems (Within 100)

For Students 1st - 3rd Standards
Practice solving more challenging addition and subtraction word problems with "more" and "fewer". Multi-step problems are also included. Numbers used are 100 or less. Students receive immediate feedback and have the opportunity to try...
Activity
Education.com

Education.com: Jelly Bean Subtraction

For Teachers Pre-K
[Free Registration/Login Required] This picture-perfect picnic is all set for some subtraction practice! Count up the jelly beans to find out how many got eaten. This picture problem is a great first step to helping your child understand...
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Math Aids

Math Aids: Word Problems Worksheets

For Teachers 3rd - 5th
Great resource to practice and strengthen math skills pertaining to word problems. Math worksheets are printable, may be customized, and include answer keys.
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Khan Academy

Khan Academy: Solve Problems With Bar Graphs 2

For Students 1st - 3rd Standards
Use bar graphs to solve addition and subtraction word problems. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a tutorial video, or receive hints.
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Math Slice

Math Slice: Number Slice Special Test

For Students 3rd - 5th Standards
A succinct test on number concepts including problem solving, basic operations, and computation. Assessment is scored online and student score is compared with other student test scores. Great for use as a quick assessment.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 1.oa the Pet Snake

For Teachers 1st
This complete lesson plan has students solve word problems using addition and subtraction within 20.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 1.oa Maria's Marbles

For Teachers 1st
This lesson plans has students solve word problems about marbles using addition or subtraction within 20.
Unit Plan
Wyzant

Wyzant: Factoring Completely

For Students 9th - 10th
The resource examines the algebra topic of solving equations. Students view the tutorial to review how to solve by factoring. The lesson consists of the greatest common factor, difference between two squares, and trinomial techniques. An...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 1.oa \$20 Dot Map

For Teachers 1st
In this lesson plan, 1st graders are given a graphic of a map and are to use addition and subtraction to solve the word problem.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: The Napping House

For Teachers Pre-K - 1st Standards
The teacher reads "The Napping House" to the class, stopping each time a person or animal gets into the bed so the students can add a counter to the ten-frame. Ten-Frame printable is included.
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Math Slice

Math Slice: Heavy Slice Special Test

For Students 3rd - 8th Standards
A concise test for assessing number sense using weights and scales. Assessment is scored online offering students immediate feedback. Can be used for a quick assessment.
Article
Cuemath

Cuemath: Ordinal Numbers

For Students 4th - 6th
This article explains ordinal numbers and the difference between cardinal numbers and ordinal numbers. Included are solved examples and interactive problems for review.