Addition and subtraction within 100
Description
Learn to add and subtract two-digit numbers within 100.
Part of Early math
Have you tried this resource?
Help someone out by sharing your thoughts!
Write a reviewHave questions about K-12 education?
Ask our community of thousands of teachers, homeschoolers, and parents! Or see recently-asked questions.
Ask a QuestionMore Ways to Learn Addition & Subtraction
Addition and subtraction
1st - 3rd | Online class
In this tutorial, we’ll start adding and subtracting numbers that have two (yes, two!) digits. We won’t be doing any carrying or borrowing (you’ll learn what those are shortly) so you can see that...
Addition and subtraction
4th | Online class
Fourth grade is the time to really fine-tune your addition and subtraction skills to the point that you can add and subtract pretty much any multi-digit, whole number!
Addition and subtraction intro
Pre-K - 3rd | Online class
When we add, we put together. When we subtract, we take apart. Numbers used are 10 or less.
Addition and subtraction within 20
Kindergarten - 2nd | Online class
All content in “Addition and subtraction within 20”
Addition & Subtraction Rap
1st - 2nd | DVD
Kids love this engaging way of learning basic addition and subtraction facts by performing along with D.J. Doc Roc and the Get Smart Crew. Positive lyrics and entertaining rap music make this...
Addition & Subtraction Rock
1st - 2nd | DVD
Learning math facts is lots of fun when kids "rock out" while learning addition and subtraction. Upbeat music, energetic performers, and colorful action make these video songs lots of fun to learn...
Addition and Subtraction
Pre-K - 3rd | Website
Series of lessons and exercising focused on addition and subtraction, including adding and subtracting tens, adding with regrouping, doubles, repeated addition, subtracting with regrouping, and more.
Addition and subtraction
3rd | Online class
Learn how to add numbers like 259 + 363. These addition problems are a harder than the ones we’ve done before because they require regrouping (also called carrying).
Addition and subtraction within 1000
1st - 3rd | Online class
Learn how to solve addition problems by adding ones, tens, and hundreds.
DragonBox Big Numbers App - Long Addition & Subtraction
1st - 3rd | Android App, iPhone/iPad App
Put your child in charge of building a wonderful world for the Nooms. Learn how big numbers work through play and exploration. Learn to perform long additions and subtractions. Grow, gather and...
Beginning Math Skills Workbook for Preschool with 60 Pages and 60 Reward Stickers
Kindergarten - 1st | Book
The LeapFrog Beginning Math Skills workbook reinforces key skills children need to succeed in kindergarten and first grade. With 60 activity pages and 60 reward stickers, the workbook is portable...
See all resources for Addition & Subtraction
Links to supporting retailers are recognized and built automatically, so we can provide you with truly unbiased listings. We receive a small share of sales from those links to help us keep this service free for all learners. Thanks for your support!
Frequently Asked Questions
What is Addition and subtraction within 100 by Khan Academy?
Addition and subtraction within 100 is a learning resource for Addition & Subtraction. It is available in the following format(s): Online class. It is suited for Kindergarten - 3rd students. It complies with the Common Core standards.
What grade level is Addition and subtraction within 100 by Khan Academy appropriate for?
It is designed for Kindergarten - 3rd students, but could be useful for students of other ages as well; please look at the description and images to determine suitability.
How much does Addition and subtraction within 100 by Khan Academy cost?
It is free!