Third Grade Addition Worksheets
Adding 1s 10s and 100s

Here you will find a selection of Third Grade Addition sheets designed to help your child improve their mental addition skills. The sheets are graded so that the easier ones are at the top.

Using these sheets will help your child to:

• learn to add 1s, 10s, 100s and 1000s to different numbers;
• practice adding mentally to 100+100;
• learn how to solve addition sums where one of the addends is missing, but the total is given.

Want to test yourself to see how well you can do adding 1s, 10s and 100s?.

• Try our NEW quick quiz at the bottom of this page.

Here is our online learning math addition zone, where you can practice a range of integer addition calculations.

Test yourself on the following addition facts:

• up to 5+5, 10+10, 20+20, 50+50, 100+100, or 1000+1000;
• 2 digit numbers adding ones;
• 2 digit numbers adding tens;
• 3 digit numbers adding hundreds;
• adding decimals with up to 2 decimal places.

Here you will find a range of Free Printable Third Grade Addition Worksheets set out in columns.

Using these sheets will help your child to:

• add two or more numbers to 10,000;
• generate your own addition worksheets with numbers of your own choice.
• solve addition word problems

Here you will find a selection of printable Addition Flashcards designed to help your child learn their addition facts.

Using flashcards is a great way to learn your addition facts. They can be taken on a journey, played with in a game, or used in a spare five minutes daily until your child knows their addition facts off by heart.

Using these sheets will help your child to:

• learn their addition facts.

Here you will find a range of Free Printable 3rd Grade Subtraction Worksheets.

The following worksheets involve using the 3rd Grade Math skills of subtracting numbers, and solving subtraction problems.

Using these sheets will help your child to:

• learn to subtract numbers mentally to 100;
• learn to do 4 Digit column subtraction.

All the Free 3rd Grade Math Worksheets in this section follow the Elementary Math Benchmarks for Third Grade.

Here is our selection of measurement worksheets for 3rd graders.

These sheets involve reading scales going up in halves, ones, fives, tens, fifties and hundreds to find the length, weight or liquid capacity.

Using these sheets will help children to consolidate their counting and place value as well as learning to read and estimate using a simple scale.

Here you will find a range of printable 3rd grade math puzzles for your child to enjoy.

The puzzles will help your child practice and apply their addition, subtraction and multiplication facts as well as developing their thinking and reasoning skills in a fun and engaging way.

Using these puzzles will help your child to:

• learn and practice their addition facts to 100;
• practice adding multiples of 10;
• practice their subtraction facts to 100;
• practice multiplication and division facts;
• develop problem solving skills and reasoning.

Here you will find a range of Free Printable Addition Games to help kids learn their addition facts.

Using these games will help your child to learn their addition facts, and also to develop their memory and strategic thinking skills.

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 or worksheets on the Facebook comments box at the bottom of every page.