Curated OER
Virtual Field Trip/ Gasoline Cost
Young scholars complete a word problem to determine the cost of gasoline per mile of their virtual field trip. They determine the travel time and gasoline costs for two routes and record the information on a data sheet. They check their...
Primary Resources
Primary Resources: Basic Addition and Subtraction
An extensive collection of teacher resources to help in teaching and reviewing the concepts of basic addition and subtraction. There are many worksheets, activities, PowerPoint presentations, smartboard activities, Word, Excel, and pdf...
Goodwill
Gcf Global: Addition and Subtraction
Learn the basics of addition and subtraction, then practice what you've learned using the interactives.
Teachnology
Teachnology: Addition and Subtraction Teaching Theme
Addition and Subtraction Math Theme provides an excellent collection of free sample worksheets, teacher resources, lesson plans and interactive media to support addition and subtraction skills.
Khan Academy
Khan Academy: One Step Addition and Subtraction Equations With Fractions and Dec
In this exercise, students practice one-step addition and subtraction equations with fractions and decimals. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Khan Academy
Khan Academy: One Step Equations With Addition and Subtraction
In this exercise, students practice one-step equations with addition and subtraction. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
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.
AAA Math
Aaa Math: Inverse Relationship of Addition & Subtraction
There is a great interactive problem set for students to practice the concept of the inverse property. This would be a great review before a unit on solving basic equations.
Other
Math Playground: Thinking Blocks Addition and Subtraction Word Problems
Students play a game to solve addition and subtraction word problems.
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.
Scholastic
Scholastic: Math Maven's Mysteries: The Case of the Hatcher Hotel Heist
Help Math Maven solve this mystery! Items are missing from several hotel rooms, but some addition and subtraction clues have been left behind. Use your skills to figure out where the thief will strike next!
Math Fact Cafe
Math Fact Cafe: Flashcards: 3rd Grade: Math Facts
Practice your basic addition, subtraction, multiplication and division facts using these interactive flashcards. Each section gives you 20 flashcards. After each correct answer the card turns green. If you get an incorrect answer the...
Other
Dan's Math: Basic Skills Topics
College professor Dan Bach offers a review of various basic topics in arithmetic, pre-algebra, and algebra. Order of operations, exponents, square roots, variables, and combining terms are just a few of the many topics covered.
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,...
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.
Other
Susan Kramer: Singing While Dancing to Learn Basic Math
Students will master basic rhythmic movements and incorporate songs and rhymes into math learning. Site provides sample music selections, songs, and accompanying movements for nine activities.
Other
Technical Tutoring: Basic Math Operations
This tutorial resource provides help with math in addition, multiplication, subtraction, division, identities, powers, and exponentiation.
Better Lesson
Better Lesson: Quotients Just the Basics
Just like multiplication, addition, and subtraction, division problems involve patterns and there are methodical ways in which manipulatives can be used to solve division problems with small dividends and divisors of 1 through 10.
ReadWriteThink
Read Write Think: Draw a Math Story From the Concrete to the Symbolic
Contains plans for four cross-curricular lessons that ask students to write simple addition and subtraction stories after reading a number of models. In addition to objectives and standards, this instructional plan contains links to PDF...
Teaching Treasures Publications
Teaching Treasures: Year Two Math (Page 3)
Review basic addition and subtraction facts using this interactive worksheet. Problems are presented in horizontal format and offer immediate feedback. With only ten problems, this worksheet could also be used for a quick review or short...
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...
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: 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.