Curated OER
Multiplication & Division
Helpful for building a multiplication unit that focuses on different strategies. With explanations about repeated addition and subtraction as foundations for multiplication, scaling, summaries of progression, and basic multiplication and...
Mathematics Vision Project
Module 7: Modeling with Functions
The sky's the limit of what you create when combining functions! The module begins with a review of transformations of parent functions and then moves to combining different function types using addition, subtraction, and...
EngageNY
Fraction Equivalence, Ordering, and Operations
Need a unit to teach fractions to fourth graders? Look no further than this well-developed and thorough set of lessons that takes teachers through all steps of planning, implementing, and assessing their lessons. Divided into eight...
CK-12 Foundation
Ck 12: Elem Math: Dividing by 8
[Free Registration/Login may be required to access all resource tools.] For this learning module, students find the answers to problems where they must divide by 8 by using repeated addition and by checking the answer with...
CK-12 Foundation
Ck 12: Elem Math: Complete the Number Patterns Based on the Multiplication Table
[Free Registration/Login may be required to access all resource tools.] The video describes how to use repeated addition to show the pattern for multiplying by 6.
Khan Academy
Khan Academy: Represent Multi Step Word Problems Using Equations
Represent multi-step word problems using equations with a letter standing for the unknown quantity. Equations include addition, subtraction, multiplication, and division. Students receive immediate feedback and have the opportunity to...
Khan Academy
Khan Academy: 2 Step Word Problems
Solve two-step word problems with addition, subtraction, multiplication, and division. Some questions include estimation. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive...
Khan Academy
Khan Academy: Multi Step Estimation Word Problems
Use estimation to solve multi-step word problems involving addition, subtraction, multiplication, and division. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
The Math League
The Math League: Fractions
This tutorial covers all types of fractions with simple explanations on how to work with them.