Interactive
Curated OER

Adding and Subtracting Fractions

For Students 3rd - 5th
In this math worksheet, students add or subtract fractions. Students find common denominators where needed and simplify their answers. Hints are available.
Worksheet
Curated OER

Adding and Subtracting Polynomials

For Students 9th - 11th
In this algebra worksheet, students are asked to add and subtract polynomials by combining like terms and using the distributive properties correctly. There are 24 questions with an answer key.
Lesson Plan
Curated OER

Three-Digit Addition and Subtraction (B)

For Teachers 3rd - 5th
In this adding and subtracting thee-digit numbers worksheet, learners solve with mixed regrouping and no regrouping. Students solve 49 problems.
Lesson Plan
Curated OER

Three-Digit Addition and Subtraction (A)

For Teachers 3rd - 5th
In this adding and subtracting three-digit numbers worksheet, students solve with mixed regrouping and no regrouping. Students solve 49 problems.
Worksheet
Curated OER

Add or Subtract Part 2

For Students 4th - 5th
In this addition and subtraction worksheet, students write and solve 6 number sentences to find the answers to each word problem. Students write their answers in a sentence format.
Worksheet
Curated OER

Add or Subtract

For Students 1st - 2nd
For this math worksheet, students solve thirty addition and subtraction problems. The problems contain one-digit and two-digit numbers.
Worksheet
Curated OER

Simplify the Fraction

For Students 3rd - 4th
In this finding the fractions in simplest form worksheet, students add and subtract fractions with uncommon denominators. Students solve five problems.
Worksheet
Curated OER

Addition and Subtraction Fact Families

For Students 1st - 2nd
For this adding and subtracting fact families worksheet, students solve a mixture of addition and subtraction equations. Students solve 30 problems.
Assessment
1
1
California Education Partners

Cady's Cats

For Students 5th Standards
How much can a cat eat? The five-question fraction assessment asks pupils to determine the fractional portion of a food box eaten by cats. Learners show their proficiency in adding and subtracting fractions using several scenarios...
Lesson Plan
Curated OER

Arithmetic: Fractions and Percentages

For Teachers 4th - 8th
Young mathematicians review the basic operations needed for addition and subtraction of fractions. They review the rules for addition and subtraction of fractions with the same denominator, how to change them if the denominators are...
Interactive
CK-12 Foundation

Whole Number Subtraction: Penguins Go for a Swim

For Students 6th
As penguins jump off of an iceberg, young mathematicians count the remaining penguins in order to discover the whole number subtraction answer. As they work through the questions, they can manipulate the red dot to add and subtract more...
Lesson Plan
Virginia Department of Education

Integers: Addition and Subtraction

For Teachers 5th - 8th Standards
Young mathematicians construct their own understanding of integers with an inquiry-based math lesson. Using colored chips to represent positive and negative numbers, children model a series of addition and subtraction problems as...
Unit Plan
National Security Agency

Introducing Integers and Their Operations

For Teachers 6th - 8th Standards
There's nothing negative about this mini-unit on integers! Engaging young mathematicians in a series of hands-on activities and collaborative learning opportunities, this resource offers an excellent way to introduce your class...
Worksheet
Curriculum Corner

Fraction Brochures

For Students 4th - 6th Standards
Make fractions fun and interesting by using a brochure form. Young mathematicians practice and gain a better understanding of how to add and subtract fractions, simplify fractions, and find LCD (least common denominator). The resources...
Interactive
PHET

Make a Ten

For Students 1st - 2nd Standards
Rate the resource as a perfect 10. Pupils use an interactive to help add and subtract numbers. They first explore how to express whole numbers using hundreds, tens, and ones, then explore how to add whole numbers by combining to make...
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

Solving Word Problems

For Students 2nd - 3rd
In this finding the sums and differences for story problems worksheet, learners add and subtract up to two-digits without regrouping. Students solve 6 problems.
Worksheet
Curated OER

A Human Number Line: Student Worksheet

For Students 4th - 6th
Kids are challenged to make a human number line. They line up, holding numbers from -10 to 10. They then add and subtract both positive and negative numbers, using themselves as the numbers on the number line. This is a great way to...
Worksheet
Curated OER

Working with Coins

For Students 2nd - 3rd Standards
Count the correct change with a money math worksheet! Given certain coins, second and third graders add and subtract amounts of money to find the correct change. The worksheet uses pennies, nickels, dimes, quarters, half dollars, and...
Lesson Plan
EngageNY

Scientific Notation

For Students 8th Standards
Young mathematicians learn how scientific notation is meant to save time. Part 10, out of a series of 15, asks scholars to recognize the correct use of scientific notation and finish by adding and subtracting numbers using...
Worksheet
Curated OER

Adding and Subtracting from 10

For Students 1st - 2nd
Here is a nicely designed worksheet on adding and taking away from ten. Learners complete the simple problems with the help of a number line that appears at the top of the page. Some of the equations have a missing addend, but do have...
Lesson Plan
EngageNY

Vectors and Stone Bridges

For Teachers 11th - 12th Standards
What does it take to build a stable arch? Pupils apply vectors and physics as they examine arched bridges and their structural integrity. They use vectors to represent the forces acting on the stone sections and make conclusions based on...
Lesson Plan
Curated OER

Adding and Subtracting Fractions with Like and Unlike Denominators

For Teachers 6th - 7th
In this math worksheet, learners compute with fractions. Five of the problems involve common denominators. Four of the problems require students to first find the common denominator. Six problems are multiple choice. One problem involves...
Lesson Plan
Curated OER

Relationship Between Addition and Subtraction

For Teachers 2nd - 3rd
Students are taught how to add and subtract and use number sense to solve basic math problems. In this addition and subtraction instructional activity, students are being taught using theories from different philosophers in education....

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