Khan Academy
Khan Academy: Adding & Subtracting Rational Numbers
Practice adding and subtracting rational numbers of different forms.
Other
Nearpod: Adding & Subtracting: Properties of Addition
In this lesson on adding and subtracting, young scholars will learn to idenitfy and apply the commutative and associative properties of addition while utilizing their knowledge of fact families to correctly solve problems.
Other
Nearpod: Adding & Subtracting Within 5
In the lesson on adding and subtracting within 5, students will use five frames to add and subtract. They will also review key vocabulary terms, like sum, difference, and equal sign.
Khan Academy
Khan Academy: Adding & Subtracting Negative Fractions
Practice adding and subtracting positive and negative fractions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Add and Subtract Within 100 Word Problems 1
Practice adding and subtracting to solve word problems. These questions are result unknown or change unknown problems. Numbers used are 100 or less. Students receive immediate feedback and have the opportunity to try questions...
K-5 Math Teaching Resources
K 5 Math Teaching Resources: Add and Subtract Ten on a Number Line [Pdf]
Students will roll a die and follow the directions to explore adding and subtracting on a number line.
CK-12 Foundation
Ck 12: Elem Math: Adding and Subtracting With Parentheses Missing Number
[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...
Khan Academy
Khan Academy: Add and Subtract Polynomials: Find the Error
Choose the step where an error was made in adding or subtracting polynomials. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Texas A&M University
Wtamu Virtual Math Lab: College Algebra: Adding & Sub. Rational Expressions
Rational expressions have never been so easy! Use this site to learn how to add and subtract them with ease and confidence. And common denominators? No Problem! Great practice problems are included to see how much you've learned.
CK-12 Foundation
Ck 12: Elem Math: Adding and Subtracting With Parentheses
[Free Registration/Login may be required to access all resource tools.] The resource includes a video tutorial on how to find a missing number in a multi-operational problem by working backwards. The video is followed by practice...
CK-12 Foundation
Ck 12: Elem Math: Adding and Subtracting Lengths in Two Steps
[Free Registration/Login may be required to access all resource tools.] This resource is a video that demonstrates using two different steps with addition or subtraction to solve a word problem. Practice word problems follow using two...
Khan Academy
Khan Academy: Add and Subtract Fractions Word Problems
Practice solving fraction addition and subtraction word problems. The fractions in these problems have unlike denominators. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...
Primary Resources
Primary Resources: Addition and Subtraction Higher Numbers
An extensive selection of teacher resources to aide in teaching and reviewing addition and subtraction of two and three digit numbers, inverse operations, counting on, and other mental strategies for addition and subtraction. Resources...
Math Planet
Math Planet: Monomials and Adding or Subtracting Polynomials
Gain an understanding of how to add or subtract polynomials by viewing an example and a video lesson.
Math Warehouse
Math Warehouse: Add and Subtract Integers Worksheet [Pdf]
Worksheet contains problems through which students can practice adding and subtracting integers. Real-world application of the skill is provided as well as a quick, diagnostic pre-test.
PBS
Pbs Learning Media: Math + Arts: Jack & the Zero Clan
In this lesson, students will create and solve a word problem related to adding and subtracting within 1,000, develop a script for a short scene using dialect, and perform it using the elements of performance, specifically acting,...
Khan Academy
Khan Academy: Adding & Subtracting Decimals Word Problems
Practice solving word problems by adding or subtracting decimal numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Other
Nearpod: Adding & Subtracting: Unlike Denominators
In this lesson, 5th graders will learn how to add and subtract fractions and mixed numbers using models and by finding common denominators.
CK-12 Foundation
Ck 12: Algebra Ii: Addition and Subtraction of Polynomials
[Free Registration/Login may be required to access all resource tools.] Here you'll learn how to add and subtract polynomials, as well as learn about the different parts of a polynomial. Practice problems are also included.
CK-12 Foundation
Ck 12: Elem Math: Adding and Subtracting With Parentheses Ii
[Free Registration/Login may be required to access all resource tools.] The video in the resource shows how to find a missing operation in a multi-step problem by working backwards. The practice problems involve finding either a missing...
PBS
Pbs Kids Afterschool Adventure!: Operation: Rainbow Math Activity Plan
Red apples, orange candles, yellow stars, green frogs, and blue, indigo, and violet flowers-they all add up to Rainbow Math fun! During this adventure children learn the colors of the rainbow as they practice counting, adding and...
CK-12 Foundation
Ck 12: Elem Math: Adding and Subtracting Lengths Metric Units
[Free Registration/Login may be required to access all resource tools.] Practice problems involving addition or subtraction of 3 measurements to solve for a specific length.
Khan Academy
Khan Academy: Intro to Adding & Subtracting Rational Expressions
Learn how to add or subtract two rational expressions into a single expression.
Khan Academy
Khan Academy: Adding & Subtracting Matrices
Learn how to find the result of matrix addition and subtraction operations.