Addition and Subtraction
Description
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.
More 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 100
Kindergarten - 3rd | Online class
Learn to add and subtract two-digit numbers within 100.
Addition and subtraction within 20
Kindergarten - 2nd | Online class
All content in “Addition and subtraction within 20”
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...
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