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
Basic Concepts

Subtraction Facts to 20

Taking Away Numbers Up to 20

Subtraction means taking something away and finding out how many are left. In second grade, you'll practice subtracting numbers up to 20.

Why Subtraction Is Important

Subtraction helps you know what remains when you give away or lose something. It's useful when sharing, shopping, or playing games.

Simple Subtraction Tricks

  • Start with the bigger number and count down.
  • Use drawings or objects to help you see what’s left.
  • Practice using number lines to jump backwards.

Subtraction in Daily Life

Whenever you eat some cookies from a plate, you’re subtracting! If you start with 8 cookies and eat 3, how many are left? That's subtraction!

Word Problems

Subtraction often shows up in stories or problems about sharing or losing items.

Examples

  • 15 - 4 = 11

  • 13 - 7 = 6

In a Nutshell

Learn to subtract numbers up to 20 and solve daily problems.

Next
Understanding Place Value