Worksheet
Curated OER

Subtracting Whole Numbers

For Students 4th - 6th
In this subtraction worksheet, students practice subtracting sixteen math problems involving one and two-digit numbers from one and two-digit numbers.
Worksheet
Curated OER

Add and Subtract within 100- Matching Worksheet

For Students 1st - 3rd
There are seven word problems here which test your class's basic addition and subtraction skills. Answers are listed on the right, but they must find the correct one and record the corresponding letter next to the problem. Consider doing...
Lesson Plan
Curated OER

Fractions Forever!

For Teachers 5th - 8th
Middle schoolers identify proper, improper fractions, and mixed numbers.  They reduce fractions to their lowest terms. They add and subtract fractions with different denominators, and multiply and divide fractions, as well as...
Interactive
CK-12 Foundation

Mixed Numbers as Improper Fractions: Pineapple Slices

For Students 6th Standards
Practice adding and subtracting improper fractions with pineapple slices. Young mathematicians move whole pineapple slices to visualize the addition of the 2/5s that is on Sally's plate. Pupils also use a combination of mixed numbers and...
Lesson Plan
Curated OER

Adding and Subtracting Fractions with Like and Unlike Denominators

For Teachers 6th - 7th
In this math worksheet, students 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

Addition And Subtraction of Whole Numbers

For Teachers 6th - 8th
In this math worksheet, middle schoolers solve the problems using addition and subtraction with whole numbers. They apply the calculations by lining up the place values.
Lesson Plan
EngageNY

Sums and Differences of Decimals

For Students 6th Standards
Sometimes dealing with decimals is so much easier than dealing with fractions. The ninth lesson in a 21-part module has the class consider situations when it might be easier to add or subtract fractions by first converting to...
Printables
K-5 Math Teaching Resources

One Hundred Chart Template

For Teachers Pre-K - 2nd Standards
There are hundreds of learning opportunities with this hundreds chart. Just print, laminate, and you're ready to get counting. 
Lesson Plan
Curated OER

Adding and Subtracting Decimals

For Teachers 3rd - 5th
Students practice adding and subtracting numbers with decimals. In this decimals lesson plan, students use grid paper and money to learn how to add and subtract decimals.
Lesson Plan
Curated OER

Fractions of A Pizza

For Teachers 3rd - 5th
Students view a large illustration of a pizza with parts of velcro.  In this addition and subtraction of fractions lesson, students solve problems based on the pieces missing from the pizza. Students take a fraction quiz. Order a...
Lesson Plan
EngageNY

An Appearance of Complex Numbers 2

For Teachers 11th - 12th Standards
Help the class visualize operations with complex numbers with a lesson that formally introduces complex numbers and reviews the visualization of complex numbers on the complex plane. The fifth installment of a 32-part series reviews...
Lesson Plan
Curated OER

Fractions in Action

For Teachers 4th - 6th
Investigate equivalent fractions with your class. They compare and order fractions. Then they work cooperatively in groups to experiment and problem solve with fractions using a game format. Multiple resources are provided.
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...
Printables
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K-5 Math Teaching Resources

Ten Frame

For Teachers Pre-K - 2nd Standards
Engage young mathematicians in building their number sense with this set of ten frame printables. Whether you're teaching pupils how to count, add, or subtract, these tools offer children tremendous support with...
Lesson Plan
Curated OER

Piecing it Together: Adding & Subtracting Fractions

For Teachers 5th - 8th
Students add and subtract fractions and mixed numbers with unlike denominators. They "fish" for and solve a number of fraction problems requiring adding, subtracting, finding equivalent fractions, and using mixed numbers.
Lesson Plan
Curated OER

Adding and Subtracting Integers

For Teachers 8th - 10th
Students add and subtract integers. In this algebra lesson, students add, subtract, multiply and divide integers. They apply the properties of numbers as they solve equations.
Worksheet
Curated OER

Add or Subtract

For Students 6th - 10th
In this addition and subtraction worksheet, students add and subtract whole numbers and fractions and reduce the answers to the lowest terms. Students complete 4 problems.
Lesson Plan
PBS

Add, Subtract and Multiply Fractions

For Teachers 4th - 6th Standards
Your future chefs will appreciate this comprehensive lesson where learners practice operations on fractions using pizza and soup analogies. Learners begin with a pizza analogy that requires the learners to multiply a whole...
Instructional Video5:56
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Math Antics

Working with Parts

For Students 3rd - 6th Standards
Get a clearer picture of working with fractions. While continuing to work with fractions as parts, the video shows how to use drawing to compare and add fractions. Worksheets then provide opportunities for pupils to practice comparing,...
Lesson Plan
Curated OER

Adding and Subtracting Decimals

For Teachers 4th
Fourth graders develop the concept of adding and subtracting decimals. In this decimal lesson, they participate in a teacher directed demonstration of how to add and subtract decimals. They work in teams as each person performs one step...
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...
Worksheet
Curated OER

Express The Length Whole Word Problems

For Students 1st - 2nd
Children in grades 1-3 will work to solve eight word problems involving length and whole numbers. They add, subtract, and problem solve to match the questions on the left to the answers on the right. Note: These problems are very poorly...
Lesson Plan
Curated OER

Adding and Subtracting With Negative Numbers

For Teachers 5th
Fifth graders access prior knowledge of calculating using a number line. In this adding and subtracting with negative numbers activity, 5th graders use a number line to solve math problems.
Lesson Plan
Curated OER

Number Operations

For Teachers 3rd - 4th
Inject fun into your math review! Pupils review basic math operations with decimals as well as addition and subtraction with simple fractions. In this number operations instructional activity, students work in groups to create a game for...