Interactive
CK-12 Foundation

Whole Number Addition: Let's Go Fishing!

For Students 6th
Practice adding whole numbers by combining the amount of fish Alice and Bob catch. As young mathematicians work through each problem, they are asked to find one more plus the amount of fish already caught. They can manipulate the...
Printables
K-5 Math Teaching Resources

Double Ten Frame

For Teachers K - 2nd Standards
Working on numbers 10 and 20? Don't forget your double ten frame! This double ten frame can also support addition and subtraction strategies and place value ideas. All on one page, ready to be printed and implemented as part of your math...
Lesson Plan
Illustrative Mathematics

Many Ways to Do Addition

For Teachers Pre-K - 1st Standards
A great aspect of teaching math is that children have the freedom to solve problems using a variety of different strategies. The focus of this lesson plan is for young mathematicians to become aware of many ways of answering addition...
Worksheet
Mathed Up!

Fractions: Adding, Subtracting, Multiplying, and Dividing

For Students 4th - 8th Standards
Add, subtract, multiply, and divide fractions with a learning exercise designed to give your learners practice performing fraction operations. 
Worksheet
Curated OER

Problem Solving: Metric Conversion

For Students 6th - 7th
Using a table, students solve 12 word problems about the weights of various foods at the grocery store. The solve addition and subtraction problems as well as convert kilograms to grams.
Handout
Charleston School District

Solving with Inverse Operations

For Students 8th Standards
What does order of operations have to do with solving equations? A video explains solving two-step equations using a do/undo chart. Learners recognize the operations within an equation and use inverse operations to undo those...
Assessment
1
1
California Education Partners

Least and Greatest

For Students 7th Standards
Squares can be magic. Pupils use their knowledge of addition of positive and negative rational numbers to create a 3 X 3 magic square where the sums are 1. Scholars create addition and multiplication expressions with a set of rational...
Worksheet
1
1
Public Schools of North Carolina

Math Stars: A Problem-Solving Newsletter Grade 3

For Students 3rd - 5th Standards
Make sure your class stays up with the times using this series of math newsletters. Including word problems that cover topics ranging from consumer math and symmetry to graphing and probability, these worksheets are a...
Worksheet
1
1
K5 Learning

Mixed Practice Word Problems #3

For Students 2nd - 4th Standards
Seven word problems make up this mixed practice worksheet. Learners perform operations of addition and subtraction to solve problems using numbers up to 2,800. 
Handout
Charleston School District

Solving Equations with the Distributive Property

For Students 8th - 9th Standards
Now there are parentheses in these equations? As the lessons continue in this series, equations get progressively more complex. Eighth graders solve equations by applying the distributive property before using inverse operations. 
Worksheet
Grammar Net

Numbers 1-30

For Students 4th - 10th Standards
Jot down some figures with an activity about printing numbers. First, learners fill in the blanks with the numbers next to their printed forms. Then, they complete simple addition and subtraction problems with numbers that are...
Lesson Plan
Curriculum Corner

Menu Math

For Teachers 4th - 8th
Getting a meal, side dish, drink, and dessert can be delicious—but it can be expensive too! Practice addition and subtraction with money in a lesson that focuses on a sample menu, complete with task cards and word problems.
Worksheet
Curated OER

Adding and Subtracting Fractions

For Students 5th Standards
Fifth graders put their fraction knowledge to work by reading word problems and deciding whether to add or subtract the given fractions. Terms such as combined, total, difference, and left indicate which operation to use.
Lesson Plan
Illustrative Mathematics

Field Day Scarcity

For Teachers K - 2nd Standards
Introduce young mathematicians to concepts of financial literacy with this open-ended word problem. With seven dollars to spend during field day and given a list of available items and their prices, children must determine how they want...
Interactive
Arcademics

Four Wheel Fracas

For Students 3rd - 6th Standards
A quick learning game challenges players to solve one-step addition and subtraction algebraic equations. Scholars play against several others, racing around the track in their four-wheeler, to see who can solve for a variable as fast...
Lesson Plan
EngageNY

If–Then Moves with Integer Number Cards

For Teachers 7th Standards
Pairs with the same sum of integer cards verify the addition and subtraction properties of equality by adding and subtracting like cards to each hand. They also justify the multiplication and division properties of equality using...
Worksheet
Los Angeles Valley College

Adding and Subtracting Integers

For Students 5th - 7th Standards
Practice adding and subtracting positive and negative numbers with a forty-problem integers worksheet.
Organizer
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1
Curriculum Corner

Problem Solving Cards

For Students 3rd Standards
Twelve cards and a instructional activity make up an activity designed to reinforce problem solving skills. Scholars read and solve a variety of word problems using a graphic organizer to show their work. 
Worksheet
K12 Reader

Sum Difference

For Students 2nd - 3rd Standards
If you need a way to address math and reading in one lesson, look no further than a passage about inverse operations, complete with reading comprehension questions. Kids focus on context clues to determine the meanings of unfamiliar words.
Unit Plan
Buffalo State

Adding and Subtracting Positive and Negative Integers

For Teachers 7th
A well-rounded unit on positive and negative integers is a great addition to your middle school math class. Learners work through five activities, each focused on a different skill, before playing a Game of Life to practice the...
Instructional Video3:09
New Mexico State University

Number Rights

For Students 2nd - 6th Standards
You do not have to be whole to be important. Individuals watch a video on the importance of rational numbers on the number line. Scholars use their knowledge to rename numbers on the number line as well as place rationals on a number...
Lesson Plan
Virginia Department of Education

Algebra Tiles and Solving Equations

For Teachers 6th - 9th Standards
Young mathematicians solve linear equations by drawing models of algebra tiles using colored pencils. To finish, they solve the same equations algebraically and check their answers using a graphing calculator.
Activity
Baylor College

Air: The Math Link

For Teachers 1st - 3rd Standards
Inflate this unit on the science of air with these math skills practice and word problems. Accompanying the children's story Mr. Slaptail's Secret, this resource covers a wide range of math topics including the four basic...
Unit Plan
Curated OER

Deciphering Word Problems in Order to Write Equations

For Teachers 5th - 8th Standards
Help young mathematicians crack the code of word problems with this three-lesson series on problem solving. Walking students step-by-step through the process of identifying key information, creating algebraic equations, and finally...