Scholastic
Scholastic: Study Jams! Math: Addition and Subtraction: Additon With Regrouping
Solve problems step by step by addition with regrouping.
Doina Popovici
Math Play: Addition With Regrouping Math Racing Game
Race to a win with this math game where students have to do addition with regrouping.
SMART Technologies
Smart: Regrouping in Addition and Subtraction
An interactive lesson to help 2nd graders understand fair exchanges and how they apply to regrouping in addition and subtraction.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: Add Whole Numbers, Add Decimals
This website explains and defines adding whole numbers and decimals. Content explores addition with regrouping and how to align numbers in a written calculation. There are even practice problems at the end of the lesson.
Cool Math
Coolmath: Coolmath4kids: Adding Numbers Within 100 With Regrouping
Demonstrates how to regroup when adding 2-digit numbers.
Khan Academy
Khan Academy: Add and Subtract Mixed Numbers 2 (With Regrouping)
Practice adding and subtracting mixed numbers with common (like) denominators. Some items require regrouping. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
ClassFlow
Class Flow: Two Digit Addition With Regrouping
[Free Registration/Login Required] This flipchart will help the second grade student review three digit place value and comparing numbers. It has a helpful work mat for teaching two digit addition with regrouping. Students will learn how...
CK-12 Foundation
Ck 12: Elem Math: Addition: 3 Digits
[Free Registration/Login may be required to access all resource tools.] A video and practice questions on adding 3-digit numbers with regrouping. [1:32]
NumberNut
Number Nut: Addition: Carrying
Explains how to carry when regrouping in addition, with related activities for skill practice.
Cool Math
Coolmath: Coolmath4kids: Addition
A set of seven short tutorials on addition. Begins with a basic introduction to how addition works, and covers topics such as using a number line, place value, and regrouping.
NumberNut
Number Nut: Addition: 3 Digit Numbers
Three digit addition requires working from left to right and may require carrying. Follow the steps in the examples and then practice the skills with the two interactive activities.
ArtsNow
Arts Now Learning: Addition Race [Pdf]
For this lesson, 2nd graders will complete math problems with groups to reinforce the concept of completing addition using regrouping.
CK-12 Foundation
Ck 12: Elem Math: Adding Two Digit Numbers With Regrouping
[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.
School Express
School Express: Online Addition
Great place to sharpen your addition skills. Start with basic facts and go all the way up to 3 digit addition with regrouping. You select the level of difficulty and the number of problems. You can also check your answer right away.
Other
Room 108: Addition With Carrying Over
This website helps you go through the steps to add larger numbers when you need to "carry." There are audio instructions that show you step-by-step how to do the traditional algorithm. Requires Java.
ClassFlow
Class Flow: To Regroup or Not to Regroup, That Is the Question
[Free Registration/Login Required] Given base ten blocks and 5 addition problems, the students will demonstrate understanding of the base ten system by choosing to regroup when needed 100 % of the time, with or without visual...
CK-12 Foundation
Ck 12: Elem Math: Overview of Addition Sums to 100 Word Problems
[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.
AAA Math
Aaa Math: Vertical Addition
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...
AAA Math
Aaa Math: Adding Three Digit Numbers
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...
Scholastic
Scholastic: Study Jams! Math: Addition and Subtraction: Without Regrouping
Solve word problems with addition and subtraction without regrouping. Then test your knowledge.
CK-12 Foundation
Ck 12: Elem Math: Overview of Addition Sums to 100 Word Problems
[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.
Beacon Learning Center
Beacon Learning Center: Circus Fun
Students can practice adding up to three whole numbers with regrouping in this interactive web lesson.
AAA Math
Aaa Math: Adding Five Digit Numbers
AAAMath.com provides an online game to practice addition with five digit numbers. The game will give you addition problems and keep track of your correct and incorrect answers. It will also give you a percent score for the correct answers!
AAA Math
Aaa Math: Adding Six Digit Numbers
This lesson has a game and explanation of addition with six digit numbers. The game will keep running totals of your correct and incorrect answers. It will also give a percent score of the correct answers for you to see.