2nd Grade Math Salamanders
Subtraction to 20 Worksheets

"Math Salamanders Free Math Sheets"

Welcome to the 2nd Grade Math Salamanders Subtraction to 20 Worksheets.

Here you will find our selection of free subtraction sheets to help your child learn their subtraction facts up to 20.

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Subtraction Learning

Subtraction is a process which most children learn quite naturally as soon as they learn to start counting. During kindergarten and first grade, it is really important for kids to have the chance to work practically with their math.

An example might be that a child has 10 sweets. They give 3 to their teddy. How many do they have left? What if they gave another to their teddy? What if their teddy had 8 sweets, how many would be left for them?

Later on, when children are confident Subtracting practically, they can progress on to number lines or counting back in their heads. When children have understood this, they can begin to learn their Subtraction facts and progress on to column Subtraction.

During Second Grade, children should be learning the following mental subtraction skills:

  • learning their subtraction facts to 20;
  • subtracting 1, 10 or 100 from any 3 digit number;

For pencil and paper methods, children should be able to:

  • subtract numbers with up to 3 digits;

Subtraction Facts to 20

The following worksheets involve learning your subtraction facts to 20.

There are a range of worksheets in this section suitable for children at the beginning of second grade, to children who are working confidently at a second grade level and need an extra challenge. They involve the skill of subtracting numbers up to 20.

Most of the sheets also include a challenge or a key question to help your child understand how subtraction 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:

  • subtract numbers up to 20;
  • work out a subtraction sentence where the answer is given but one of the other numbers is missing;
  • use their subtraction and thinking skills to solve subtraction challenges.

All the sheets in this section will help your child to develop their speed and accuracy at subtracting.

Free Subtraction to 20 Worksheets

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Try the Subtraction to 20 worksheets at the Math Salamanders!

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Subtraction Facts to 12

The following webpages involve learning subtraction facts to 12.

The sheets in this section are easier than the sheets on this page, as the numbers have a smaller range. If your child has found the sheets on this page very challenging, then it would be beneficial to try these ones first.

Using the sheets in this section will help your child to:

  • subtract with numbers to 12;
  • find the answer to a subtraction sentence where the answer is given but one of the other numbers are missing;
  • solve simple subtraction challenges.

All the sheets in this section support elementary math benchmarks.

Column Subtraction 3 Digits

The following sheets involve subtracting 3 digit numbers in columns.

Using these sheets will help your child to:

  • subtract 3 digit numbers in columns;
  • use the standard algorithm for column subtraction.

All these sheets will help your child understand how to subtract numbers in columns.

Addition and Subtraction Puzzles

The puzzles in this section mainly focus on adding and subtracting numbers.

The puzzles start with adding and subtracting to 20, and progress on to harder levels and more complex puzzles.

Using the puzzles in this section will help your child to:

  • develop their adding and subtracting skills;
  • develop trial and improvement strategies;
  • improve problem solving skills.

All the sheets in this section will help your child to learn their addition and subtraction facts and become more confident with handling numbers mentally.

Subtraction Games

If you are looking for some great subtraction games to support your child's learning, then look no further.

There are a wide selection of subtraction games on the page below, which will develop your child's thinking and reasoning skills as well as their subtraction fact knowledge.

Using these games will help you child to:

  • learn their subtraction facts to 20;
  • develop their strategic thinking skills.

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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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Grading Guide

Here is the grading guide for our worksheets.

White

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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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