Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Boys and Girls, Variation 1

For Teachers 1st - 2nd Standards
This word problem focuses on the Put Together/Take Apart contexts for addition and subtraction. Students may use objects, pictures, or equations to represent their solutions. Examples and explanations are provided.
Activity
Mr. Martini's Classroom

Mr. Martini's Classroom: Math Word Problems for Children

For Students Pre-K - 1st Standards
Solve addition and subtraction word problems using a number line in this interactive exercise.
Unit Plan
Khan Academy

Khan Academy: One Step Addition & Subtraction Equations

For Students 5th - 7th
Practice solving equations in one step by adding or subtracting the same value from both sides. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unknown Type
Khan Academy

Khan Academy: Add and Subtract Fractions Word Problems

For Students 5th
Practice solving fraction addition and subtraction word problems. The fractions in these problems have unlike denominators.
Unknown Type
Khan Academy

Khan Academy: Add and Subtract Within 1000 Word Problems

For Students 3rd
Practice one-step addition and subtraction word problems with numbers less than 1000.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Find the Missing Number

For Teachers 1st - 2nd Standards
Students will solve addition and subtraction equations with different structures so that they are able to see the connections between addition and subtraction more easily.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Adding and Subtracting

For Students 4th - 5th
[Free Registration/Login may be required to access all resource tools.] A video tutorial using order of operations with both addition and subtraction to solve problems with emphasis on working from left to right. Practice questions...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Adding and Subtracting Three or More Numbers

For Students 1st - 2nd
[Free Registration/Login may be required to access all resource tools.] The video describes how to solve word problems using both addition and subtraction. The video is followed by additional practice problems.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Adding and Subtracting Numbers Up to 20 Word Problems

For Students 1st - 2nd Standards
[Free Registration/Login may be required to access all resource tools.] The video describes how to solve word problems using both addition and subtraction. The video is followed by additional practice problems.
Unknown Type
Khan Academy

Khan Academy: Add and Subtract Fractions: Word Problems

For Students 3rd - 5th Standards
In this exercise, students practice adding and subtracting fractions with unlike denominators word problems. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Activity
Scholastic

Scholastic: Math Maven's Mysteries: The Cuckoo Caper

For Students 3rd - 8th
The famous Clockenheimer Cuckoo is missing from Clockenheimer Clocks on Main Street! Help Math Maven get it back by solving a math riddle.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Adding and Subtracting With Parentheses Missing Number

For Students 4th - 5th
[Free Registration/Login may be required to access all resource tools.] This is a video and practice problems finding the missing number of a multi-step addition and subtraction problem that has parentheses. The video models the process...
Unit Plan
Khan Academy

Khan Academy: Word Problems With "More" and "Fewer" 1

For Students K - 1st Standards
Practice solving word problems by finding how many more (or fewer) objects there are. Numbers used are 20 or less. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unknown Type
Khan Academy

Khan Academy: Adding & Subtracting Negative Numbers

For Students 7th Standards
Practice solving addition and subtraction problems with integers (positive and negative numbers).
Lesson Plan
Better Lesson

Better Lesson: Walking the Number Line

For Teachers 2nd Standards
The number line is a powerful math tool students can use to model their thinking when solving addition and subtraction problems. Use this instructional activity to help students use the number line to count forwards and backwards from 0...
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...
Interactive
Arcademics

Arcademics: Four Wheel Fracas

For Students 6th
Multiplayer math game where four wheelers race by solving algebra one-step addition and subtraction problems.
Unit Plan
Khan Academy

Khan Academy: One Step Addition & Subtraction Equations: Fractions & Decimals

For Students 5th - 7th
Practice solving equations in one step by adding or subtracting a number from both sides. These problems involve decimals and fractions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a...
Unit Plan
Khan Academy

Khan Academy: Ordering Negative Number Expressions

For Students 6th - 8th Standards
Practice solving challenging negative number addition and subtraction problems. Number line models, variables, and absolute value come together to push your knowledge of negative numbers even deeper (maybe even below zero!). Students...
Interactive
Other

Crick Primary School: Mathematical Puzzles

For Students Pre-K - 1st
The resource consists of 378,028 math puzzles available in three different levels. Students use multiplication, division, addition, and subtraction skills to solve the puzzles. The puzzles can be solved online or downloaded as a PDF file.
Activity
K-5 Math Teaching Resources

K 5 Math Teaching Resources: Word Problems #3 [Pdf]

For Students 2nd - 3rd Standards
An activity for students to solve simple word problems using addition and subtraction.
Activity
K-5 Math Teaching Resources

K 5 Math Teaching Resources: Word Problems [Pdf]

For Students 2nd - 3rd Standards
Students are to solve multi-step problems involving addition and subtraction.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Saving Money 2

For Teachers 2nd - 3rd
The purpose of this task is for students to relate addition and subtraction problems to money and to situations and goals related to saving money. A problem is given that will contain multiple solutions, this allows students to think...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Field Day Scarcity

For Teachers 1st - 2nd
Young scholars will learn about managing money and scarcity while practicing addition and subtraction. They will be given a certain amount of money to spend at a fictitious store. Included are discussion questions about how students...