2nd Grade Math Salamanders
Free Printable Addition Worksheets
3 Digit Column Addition

"Math Salamanders Free Math Sheets"

Welcome to the 2nd Grade Math Salamanders Free Printable Addition Worksheets.

Here you will find our selection of free addition sheets to help your child learn to use column addition with 3 digit numbers.

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How to Print or Save these sheets

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Need help with printing or saving?
Follow these 3 easy steps to get your worksheets printed out perfectly!

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Addition Learning

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+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:

  • adding two 3-digit numbers together;
  • add together three or four 2-digit numbers.

3 Digit Column Addition

The following worksheets involve learning to add numbers in columns with up to 3 digits.

There are a range of sheets in this section, from simple 3 digit addition with no carrying, up to more complex addition with multi-addends.

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 pairs of 3 digit numbers in columns;
  • add 3 digit numbers with multi-addends.

All the sheets in this section will help your child to develop their speed and skill at adding numbers in columns.

Free Printable Addition Worksheets - Adding with 3 digits (no carrying)

These sheets are the easiest sheets on this page, and do not require any carrying or exchanging.

Adding with 3 Digits with carrying

The sheets in this section have addition sums that require carrying as follows:

  • in sheet 1, only the units are carried
  • in sheet 2, the ones or the tens are carried
  • in sheets 3 and 4, both the units and tens are carried
  • sheets 5 and 6 involve adding multi-addends.

Looking for more worksheets like these?

Try the 3 Digit Column Addition at the Math Salamanders!

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Mental Addition Worksheets

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.

Addition Facts to 20+20

The following webpages involve learning addition facts to 20+20.

The sheets in this section are for children who are working competently at a 2nd grade level. They involve the skill of adding numbers up to 20+20.

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.

All the free printable addition worksheets in this section will help your child to develop their speed and accuracy at adding.

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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.

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2nd Grade Math Salamanders Cool Math Learning Site

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Grading Guide

Here is the grading guide for our worksheets.

White

2nd Grade Worksheet Logo White

White is the easiest level for children at their early stages in 2nd grade.


Orange

2nd Grade Worksheet Logo Orange

Orange - this is the medium level of difficulty for children who are becoming more confident and working at the expected level in 2nd grade.


Purple

2nd Grade Worksheet Logo Purple

Purple - this is the hardest level for children who are nearly ready for 3rd grade math, or need that extra challenge.

 

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