State of Michigan
Pre-K Mathematics
Kick-start children's education with this pre-school math unit. Offering 31 different hands-on learning activities that develop young mathematicians' pattern and shape recognition, basic number sense, and much more, this is a...
Curated OER
We Are a Fact Family! Integration Is the Key!
Students practice addition and subtraction. In this fact families unit, students practice finding sums and differences for fact families. This unit includes ten lessons with science and social studies integration.
Intel
Cell-to-Cell
The third in a series of 10 STEM project-based lessons focuses on cells types, functions, and physiology. Through research, discussions, writings, and presentations, groups learn about the difference between plant and animal cells, the...
Curated OER
Curriculum Links To Numeracy
Youngsters practice looking for the links to numeracy in their classes. This isn't a worksheet but a curriculum guide for an entire unit. Teachers can use any part of the resource to extend or inform their teaching practices related to...
National Security Agency
Introducing Integers and Their Operations
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...
University of Missouri
Money Math
Young mathematicians put their skills to the test in the real world during this four-lesson consumer math unit. Whether they are learning how compound interest can make them millionaires, calculating the cost of remodeling...
Calvin Crest Outdoor School
Survival
Equip young campers with important survival knowledge with a set of engaging lessons. Teammates work together to complete three outdoor activities, which include building a shelter, starting a campfire, and finding directions in the...
Curated OER
Introduction to Electricity
Students experiment with static electricity and make their own electrical circuits. Students experiment with their circuits to explore conductors and insulators. Students identify Thomas Edison as the person who invented the electric bulb.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: The Meaning of Subtraction, and Mental Calculation
This website explains and defines basic subtraction. There are practice problems at the very end of this lesson.
Saddleback College
Algebra2go: Subtraction Using an Abacus Problem Sets
This resource has three problem sets to practice subtraction using Abacus worksheet. Select a problem set, then select a question. Fill in the blank with the correct answer for each problem. When you have answered all of the questions,...
Saddleback College
Algebra2go: Introduction to Subtraction Problem Sets
This resource has three problem sets to practice subtraction. Select a problem set, then select a question. Fill in the blank with the correct answer for each problem. When you have answered all of the questions, ask Charlie how you did.
Goodwill
Gcf Global: Addition and Subtraction
Learn the basics of addition and subtraction, then practice what you've learned using the interactives.
AAA Math
Aaa Math: Inverse Relationship of Addition and Subtraction
Explains the inverse relationship between addition and subtraction. Gives exercises and games to practice this skill.
CK-12 Foundation
Ck 12: Algebra: Numerical Expression Evaluation With Basic Operations
[Free Registration/Login may be required to access all resource tools.] In this lesson students evaluate variable expressions using addition, subtraction, multiplication and division. Students examine guided notes, review guided...
CK-12 Foundation
Ck 12: Algebra: Addition and Subtraction of Rational Expressions
[Free Registration/Login may be required to access all resource tools.] Learn how to add and subtract rational expressions.
CK-12 Foundation
Ck 12: Algebra: Addition and Subtraction of Rational Expressions
[Free Registration/Login may be required to access all resource tools.] Add and subtract rational expressions with the same denominator and different denominators.
CK-12 Foundation
Ck 12: Elem Math: Inequalities With Addition and Subtraction
[Free Registration/Login may be required to access all resource tools.] Students attempt practice problems on solving basic inequalities with addition and subtraction.
Texas A&M University
Wtamu Virtual Math Lab: Beginning Algebra: Adding and Subtracting Polynomials
A tutorial as an introduction to polynomials. Basic terminology and simple algebraic manipulations. Offers discussions and practice exercises with answers and explanations.
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...
CK-12 Foundation
Ck 12: Elem Math: Adding, Subtracting, and Multiplying Missing Number
[Free Registration/Login may be required to access all resource tools.] A learning module where students must apply the order of operations to find the missing numbers in equations involving addition, subtraction, and multiplication. A...
Khan Academy
Khan Academy: Adding & Subtracting Rational Expressions (Advanced)
Have you learned the basics of rational expression addition/subtraction? Great! Now dig deeper with some advanced examples.
Learning Wave Communications
Learning Wave: Fractions
This resource contains information about fractions and includes ratios, equivalent fractions, basic operations, and reciprocals. Several links for practice problems are also included, along with links to a post and pretest.
E-learning for Kids
E Learning for Kids: Math: Dojo: Money
Students will play learning games to explore money in different ways, such as identifying, adding, and subtracting values.
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.