PPT
Curated OER

Two Digit Addition (with regrouping)

For Teachers 2nd - 3rd
An outstanding PowerPoint presentation on two-digit addition with regrouping awaits your class. The slides present the steps necessary in extremely clear fashion. There are two "internet games" embedded in the final slide that lead to...
Worksheet
Curated OER

3-Digit Subtraction and Addition

For Students 2nd - 3rd
For this 3-digit subtraction and addition worksheet, students problem solve with regrouping. In this fill in the blank worksheet, students answer sixteen problems.
Lesson Plan
Curated OER

Double-Digit Addition with Regrouping

For Teachers 1st
First graders recall place value system and double-digit addition, create and manipulate double-digit regrouping, and devise and identify ways to use regrouping.
Lesson Plan
National Security Agency

Borrowing from Our Neighbors

For Teachers 2nd - 4th Standards
Young mathematicians explore two-digit subtraction. They will investigate multiple ways to subtract numbers involving regrouping. Resources are provided.
Worksheet
Curated OER

Hands On: Regroup Tens

For Students 3rd - 4th
In this regrouping tens worksheet, learners use math models or draw pictures to help them add the numbers within the problem. Students also learn to regroup numbers in the tens value place by completing the six problems.
Lesson Plan
Curated OER

Adding Three Digits

For Teachers 2nd
Second graders use cards to create 3-digit addition problems and add them together. In this addition lesson plan, 2nd graders add numbers with and without regrouping. Students use a deck of cards to play an addition game in pairs. A very...
Worksheet
Curated OER

Add Mixed Numbers with and without Regrouping

For Students 3rd - 4th
In this adding mixed numbers with and without regrouping worksheet, students sharpen their problem solving skills as they solve 6 story problems.
Lesson Plan
Curated OER

Using a Hundreds Chart

For Teachers 1st - 3rd
Youngsters participate in three activities using the hundreds chart. They will choose numbers to add up to one hundred. Whoever gets the most combinations wins. Two variations of the game are supplied.
Lesson Plan
Alabama Learning Exchange

Mix it Up! Exploring the Commutative and Associative Properties of Addition

For Teachers 1st - 3rd Standards
Examine commutative and associative properties with your class. They'll explore the relationships between addition and subtraction and investigate patterns as they solve addition problems. Links to an assessment and a table game are...
Worksheet
Curated OER

Add One-Digit Numbers to Two-Digit Numbers

For Students 2nd - 3rd
In this addition word problems activity, learners solve 4 story problems in which two digit numbers are added to single digits.
Lesson Plan
Curated OER

Adding Two-Digit Numbers

For Teachers 3rd - 4th
For this adding two-digit numbers worksheet, students, working with a partner, problem solve seven addition equations and word problems.
Worksheet
Helping with Math

Subtraction : 3-digit - 3-digit

For Students 3rd - 5th Standards
In this subtraction learning exercise, math wizards subtract three-digit numbers from different three-digit numbers. Some of the 24 problems require regrouping.
Worksheet
Helping with Math

SubtractionL 3-digit - 2-digit

For Students 3rd - 4th Standards
In this assignment, math minors solve 30 subtraction problems. Two-digit subtrahends are taken away from three-digit minuends. Often, regrouping will be necessary to arrive at the difference. Terrific practice with an answer key provided!
Lesson Plan
Curated OER

Ants in Your Pants

For Teachers 1st
First graders read "One Hundred Angry Ants" by Elinor Pinczes. They identify various sums that equal ten and display them on a chart.
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...
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: Adding Three Numbers

For Students K - 1st Standards
Find an explanation on how to add three numbers together using pencil and paper. There is also an online game that will keep running totals of your correct and incorrect answers. The lesson also gives you a percent score of the correct...
Activity
University of Cambridge

University of Cambridge: Nrich: Adding Plus

For Students Pre-K - 1st
On this one page website sharpen your logic and addition skills while working on this challenge. The solution is available to double check your solution.

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