Worksheet
Curated OER

First and Then

For Students 2nd - 5th
In this Christmas problem solving learning exercise, students solve 7 mathematical problems by first doing the work in parentheses and then solving each problem.
Lesson Plan
Curated OER

Shopping for Toys

For Teachers 2nd - 3rd
Students pretend as if they have just won a $100 gift certificate to buy some toys and must try to spend as much of it as they can without going over.
Lesson Planet Article
Curated OER

Lesson Plans That Meet The Needs of All Students

For Teachers 1st - 6th
Differentiated lesson plans are an excellent tool for meeting students' needs in the mixed ability classroom.
Interactive
Doina Popovici

Math Play: Addition With Regrouping Math Racing Game

For Students 2nd - 4th
Race to a win with this math game where students have to do addition with regrouping.
Handout
Cool Math

Coolmath: Coolmath4kids: Adding Numbers Within 100 With Regrouping

For Students 2nd Standards
Demonstrates how to regroup when adding 2-digit numbers.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Adding Two Digit Numbers With Regrouping

For Students 2nd - 4th
[Free Registration/Login may be required to access all resource tools.] The video models how to add two-digit numbers using regrouping. The video is followed by practice problems.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Overview of Addition Sums to 100 Word Problems

For Students 2nd - 4th Standards
[Free Registration/Login may be required to access all resource tools.] The video explains two addition problems one with regrouping and the other without regrouping.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Overview of Addition Sums to 100 Word Problems

For Students 1st - 2nd Standards
[Free Registration/Login may be required to access all resource tools.] The video explains two addition problems one with regrouping and the other without regrouping.
Interactive
AAA Math

Aaa Math: Adding Three Digit Numbers

For Students 2nd - 5th Standards
Read through this explanation of how to add three digit numbers. Use the online game to practice this skill. The game will keep running totals of your correct and incorrect answers. It will also show you a percent score of the correct...
Interactive
AAA Math

Aaa Math: Vertical Addition

For Students 1st - 5th
See examples of addition problems that are arranged vertically. There is also a game that allows you to practice your addition skills. The game keeps track of your correct and incorrect answers, it also gives a percentage score of your...
Interactive
Quia

Quia: Add Your Way to a Million (Rags to Riches)

For Students 1st - 5th Standards
You can earn a million bucks playing this addition game. A succinct multiple choice game with hints, if you need them. Contains simple computation problems mixed with a few word problems. Must be able to add up to the millions place (one...