2nd Grade Math

Building on first grade foundations with addition, subtraction, and early problem-solving skills.

Addition Facts to 20Subtraction Facts to 20Understanding Place Value
Solving Word ProblemsAdding and Subtracting Two-Digit NumbersUnderstanding Odd and Even Numbers
Using Math at the Grocery StoreMath in Sports and GamesCounting Money and Making Change
Drawing Pictures to Solve ProblemsChecking Your Work
Addition Facts to 20Subtraction Facts to...Understanding Place ...Solving Word Problem...Adding and Subtracti...Understanding Odd an...Using Math at the Gr...Math in Sports and G...Counting Money and M...Drawing Pictures to ...Checking Your Work
Advanced Topics

Adding and Subtracting Two-Digit Numbers

Working With Bigger Numbers

Now that you know about place value, you can add and subtract numbers up to 100!

How to Add and Subtract Two-Digit Numbers

  • Line up the numbers by place value (tens and ones).
  • Add or subtract the ones place first.
  • Then add or subtract the tens place.
  • If the ones add up to 10 or more, you carry to the tens!

Real-World Uses

You use these skills when counting money, shopping, or keeping score in a game.

Practice Tips

Use paper, blocks, or coins to help you see the numbers.

Examples

  • 34 + 25 = 59

  • 67 - 22 = 45

In a Nutshell

Add and subtract numbers up to 100 using place value.

Next
Understanding Odd and Even Numbers