Lesson Plan
Curated OER

That's The Way the Cookie Crumbles

For Teachers 3rd
Third graders work with money values and making purchases. In this money lesson, 3rd graders listen to Donna Guthrie's book, Real World Math: Money and Other Numbers In Your Life. They make money cookies either with a recipe or with...
Lesson Plan
EngageNY

Solving Rational Equations

For Students 10th - 12th Standards
What do fractions and rational expressions have in common? Everything! Learners use common denominators to solve rational equations. Problems advance from simple to more complex, allowing pupils to fully understand the material before...
Lesson Plan
EngageNY

Composite Area Problems

For Teachers 7th Standards
The 21st segment in a 28-part series provides learners with area problems involving composite figures. To find the solution, pupils must decide whether to add or subtract areas. The composite figures are composed of quadrilaterals,...
Lesson Plan
Armory Center for the Arts

Place Value Collage

For Teachers 3rd Standards
How can art represent math? Use a lesson on place value collages to illustrate the different meanings that numbers have in their designated places. Kids observe photographs and paintings that show place value, then work on their own.
Lesson Plan
Curated OER

"Zero-ing" In On Integers

For Teachers 6th - 8th
Young scholars add and subtract integers.  In this integer activity, students use models to demonstrte the addition and subtraction of integers.  They describe zero pairs and write steps to add and subtract integers. 
Worksheet
Curated OER

Understand Subtraction and Its Relationship to Addition

For Students 3rd - 4th
Understanding the relationship between addition and subtraction is the focus of this math activity. Students answer "true" or "false" to 14 statements regarding addition and subtraction. Answers appear at the end.
Lesson Plan
Curated OER

A New Set of Numbers

For Teachers 6th
Sixth graders add and subtract positive and negative integers. In this integers math instructional activity, 6th graders review the number line as a class, with students representing the numbers and moving in a positive or negative...
Worksheet
Curated OER

Simplify the Fractions

For Students 4th - 5th
In this simplifying fractions with common denominators worksheet, students add and subtract each problem and find the simplest form. Students solve 12 problems. 
Lesson Plan
Curated OER

I'll Halve S'More, Please!

For Teachers 3rd - 5th
Students describe a fraction in terms of sharing parts of a whole. They understand the meaning of the parts of a fraction and add and subtract like fractions. They apply fractions to problem situations and recognize and use equivalent...
Lesson Plan
Alabama Learning Exchange

The Mean, Median, and Mode Chain Gang

For Teachers 3rd - 6th Standards
Students analyze a set of data. They work in cooperative groups and use chain links to identify the mean, median, and mode of the chain.
Worksheet
Curated OER

Word Addition and Subtraction

For Students 1st - 2nd
In this adding and subtracting worksheet, students read addition equations and write answers in manuscript and subtract one-digit numbers from two-digit numbers. Students solve 8 problems.
Worksheet
Curated OER

Order of Operations

For Students 8th - 9th
In this order of operations worksheet, students solve and complete 7 different problems that include using the order of operations or PEMDAS. First, they simplify expressions inside grouping symbols and then any terms containing...
Lesson Plan
Curated OER

Native American Pebble and Pot Game

For Teachers Pre-K - 1st
Students participate in a game using 12 manipulatives.  In this addition and subtraction lesson students play a game originated by the Native Americans and  look at a number of items and calculate how many are hidden....
Worksheet
Curated OER

1 Less or 1 More

For Students 1st - 2nd Standards
Complete these images with values one less and one more; young mathematicians fill in bunches of flowers, starting at a middle number and working their way to the right by addition and to the left by subtraction. For each flower they...
Worksheet
Maths Blog

Make 20

For Students 1st - 3rd Standards
There are quite a few ways to make the number 20 through addition. Learners fill in missing addends to reach the sum of 20 then answer additional related questions. This is a good resource because it has the class both add to 20 and...
Lesson Plan
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Curated OER

Complex Numbers

For Teachers 9th - 12th Standards
The class practices, on paper and/or on a TI graphing calculator the concepts of how to add, multiply, divide and subtract complex numbers using the correct property.
Lesson Plan
Curated OER

Telling Time - Online Games

For Teachers 1st - 5th
A variety of resources are included here that will help your young learners tell time using either an analog or digital clock. The first resource listed, called "Teach Clock" is amazing! You can add or subtract time. Post it on your...
Lesson Plan
Alabama Learning Exchange

Ice Fishing is for the Birds

For Teachers K - 1st Standards
Approach addition with young mathematicians in an engaging way through this penguin-inspired activity. In small groups, scholars think about times they have used addition in their real lives (there are some suggestions given), then watch...
Worksheet
DK Publishing

Money Word Problems #2

For Students 2nd - 4th Standards
Are you experiencing money problems? Here are some more! Young mathematicians practice their addition and subtraction skills with money values in these word problems and number sentences. Some of the 25 questions prompt scholars to...
Lesson Plan
Curated OER

Solving Word Problems with Fish

For Teachers 4th - 6th
Send your class fishing...for the right answers! Small groups collaborate to create math word problems based on the fish in their classroom aquarium or on the aquarium itself. After all groups determine the answer for their ownproblem,...
Lesson Plan
Curated OER

Number Problems

For Teachers 9th - 11th
Students write equations for problems. In this number lesson, students add, subtract, multiply and divide numbers to solve for a variable. They rewrite word problems using algebraic symbols.
Interactive
CK-12 Foundation

Properties of Real Number Addition: The Secret of Subtraction

For Students 6th - 8th Standards
Learners sometimes struggle to understand the concept of adding and subtracting integers. Help them see the why behind their answers using the interactive number line. The values change as individuals adjust the number line for each new...
Lesson Plan
Virginia Department of Education

Properties of Real Numbers

For Teachers 7th - 8th Standards
Students use paper cups and colored chips to observe properties of operations with real numbers. As a class, students brainstorm and use manipulatives to demonstrate associative, commutative, distributive identity and inverse properties....
Worksheet
DK Publishing

Money Word Problems #3

For Students 2nd - 3rd Standards
Money is an excellent way to help young mathematicians practice adding and subtracting numbers with decimals. They solve 15 word problems representing a variety of scenarios for calculating money. For some, scholars determine which bills...