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Math Addition Facts to 20
Welcome to our Math Addition Facts Worksheets.
Here you will find our selection of free addition sheets to help your child learn their addition facts up to 20.
Addition is a process which children learn quite naturally as soon as they learn to start counting. During kindergarten and first grade, adding piles of objects together is really important and reinforces childrens understanding of place value and 1:1 correspondence.
Later on, when children are confident adding piles of objects together, they can progress on to number lines or counting on in their heads. When children have understood this, they can begin to learn their addition facts and progress on to column addition.
During 2nd grade, children should be learning the following mental addition skills:
- know their addition facts up to 20;
- mentally adding on 1, 10 or 100 to any 2 or 3-digit number.
For pencil and paper methods, children should be able to:
- add two 3-digit numbers together;
- add together three or four 2-digit numbers.
Addition Facts to 20
The following worksheets involve learning your addition facts to 20.
The sheets in this section are for children at the beginning of 2nd grade. They involve the skill of adding numbers up to 20.
Most of the sheets also include a challenge or a key question to help your child understand how addition works and to extend learning and thinking.
An answer sheet is available for each worksheet provided.
The worksheets in this section are carefully graded, allowing you to introduce concepts at an easier level before introducing harder work.
Using the sheets in this section will help your child to:
- add together numbers up to 20;
- work out addition sums where the total is given but one of the addends is missing.
Want to test yourself to see how well you have understood this skill?.
- Try our NEW quick quiz at the bottom of this page.
Quicklinks to ...
Math Addition Facts Worksheets to 20
The sheets in this section are all about adding numbers whose sum up to 20.
There are more challenging sheets, adding up to 20+20 further down the page.
Learning Addition Facts - Adding 3 digits
The following worksheets involve learning to add 3 digits mentally.
These worksheets are at an easier level than those below, and give children confidence adding 3 numbers instead of just two.
Using these sheets will help your child to:
- add 3 digits mentally;
- work out an addition fact where the total is given but an addend is missing.
Math Addition Facts Worksheets to 20+20
Looking for more worksheets like these?
Try the Addition to 20+20 worksheets at the Math Salamanders!
Using the link below will open the Math Salamanders main site in a new browser window.
More recommended Math resources
Here are some of our other related resources you might want to look at.
Addition Number Line to 20 Support Sheets
The number line worksheets on this page involve numbers using integers only.
They have been designed to help kids with their addition and subtraction facts up to 20.
Addition Facts to 12+12
The following webpages involve learning addition facts to 12+12.
The sheets in this section are for children at the beginning of 2nd grade. They involve the skill of adding numbers up to 12+12.
Using the sheets in this section will help your child to:
- add together numbers up to 12;
- work out addition sums where the total is given but one of the addends is missing.
All the sheets in this section will help your child to develop their speed and accuracy at adding.
Adding 1, 10 and 100
This section involves using place value and addition to add either 1, 10 or 100 from any 2 or 3 digit number.
This skill is very important to establish at this grade, as it is a foundation building block from which many other math skills are built.
Using these sheets will help your child to:
- add 1 or 10 to a range of 2 digit numbers;
- add 1, 10 or 100 to a range of 3 digit numbers.
Using these sheets will help to develop your child's understanding of place value to 1000.
Column Addition Worksheets
The following sheets involve adding 3 digit numbers in columns.
Using these sheets will help your child to:
- add up 3 digit numbers in columns;
- use the standard algorithm for column addition.
All these sheets will help your child understand how to add columns of numbers together.
Addition Word Problems
We have a range of 2nd grade addition word problem worksheets.
They involve solving a range of addition word problems up to 150.
There are a range of sheets from easier addition word problems up to 50, to solving multi-addend problems up to 150.
Addition Math Games
If you are looking for some great addition games to support your child's learning, then look no further.
There are a wide selection of addition math games on the page below, which will develop your child's thinking and reasoning skills as well as their addition fact knowledge.
Using these games will help you child to:
- learn their addition facts to 20+20;
- develop their strategic thinking skills.
Addition Facts to 20 Online Quiz
Our quizzes have been created using Google Forms.
At the end of the quiz, you will get the chance to see your results by clicking 'See Score'.
This will take you to a new webpage where your results will be shown. You can print a copy of your results from this page, either as a pdf or as a paper copy.
For incorrect responses, we have added some helpful learning points to explain which answer was correct and why.
We do not collect any personal data from our quizzes, except in the 'First Name' field which is optional. We collect this information so that if a class of students is taking a quiz, the individual results can be recorded along with the first name of the student.
We also collect the results from the quizzes which we use to help us to develop our resources.
For more information on the information we collect, please take a look at our Privacy Policy
If the error message 'File Unavailable' should appear in a pop-up window with a 'RELOAD' option in the bottom right corner of the screen:
- Don't click the RELOAD link - it doesn't do anything
- click anywhere on the screen but not inside the pop-up window
- the pop-up window should disappear and you should be able to see your results.
- NB. This error is a Google error in the Google Quiz app - it is currently unresolved!
We would be grateful for any feedback on our quizzes, please let us know using our Contact Us link, or use the Facebook Comments form at the bottom of the page.
This quick quiz tests your knowledge of addition facts to 20.
How to Print or Save these sheets
Need help with printing or saving?
Follow these 3 easy steps to get your worksheets printed out perfectly!
How to Print or Save these sheets
Need help with printing or saving?
Follow these 3 easy steps to get your worksheets printed out perfectly!
Math-Salamanders.com
Whether you are looking for a free Homeschool Math Worksheet collection, banks of useful Math resources for teaching kids, or simply wanting to improve your child's Math learning at home, there is something here at the Math Salamanders for you!
The Math Salamanders hope you enjoy using these free printable Math worksheets and all our other Math games and resources.
We welcome any comments about our site on the Facebook comments box at the bottom of every page.
Grading Guide
Here is the grading guide for our worksheets.
White
White: the easiest level for children at their early stages in 2nd grade.
Orange
Orange: medium level of difficulty for children who are working at the expected level in 2nd grade.
Purple
Purple: this is the hardest level for children who need that extra challenge.
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