MAP 3rd Grade Math

A comprehensive math course designed for third grade students to build foundational skills in numbers, operations, geometry, and data analysis.

Understanding Numbers and Place ValueAddition and Subtraction StrategiesIntroduction to Multiplication and Division
Working with FractionsExploring Geometry: Shapes and Their PropertiesData Analysis: Graphs and Charts
Math in Shopping and MoneyMeasuring Length, Weight, and TimeUsing Patterns and Estimation
Checking Your WorkSolving Word Problems Step-by-Step
Understanding Number...Addition and Subtrac...Introduction to Mult...Working with Fractio...Exploring Geometry: ...Data Analysis: Graph...Math in Shopping and...Measuring Length, We...Using Patterns and E...Checking Your WorkSolving Word Problem...
Basic Concepts

Addition and Subtraction Strategies

Building Addition and Subtraction Skills

Addition means putting numbers together to make a bigger number. Subtraction means taking away to find what’s left. Third graders learn to add and subtract numbers up to 1,000 using different strategies.

Strategies to Solve Problems

  • Stack and Add/Subtract: Write numbers in columns.
  • Number Lines: Jump forward for addition, backward for subtraction.
  • Break Apart Numbers: Split numbers into hundreds, tens, and ones to make math easier.

Why Use Strategies?

Strategies help you solve problems faster and make fewer mistakes!

Real-World Uses

We use addition and subtraction to figure out how much money we have, how many minutes until recess, or how many apples are left in a basket.

Examples

  • 467 + 128 = 595. Stack the numbers and add each column.

  • If you have 400 stickers and give away 127, you subtract: 400 - 127 = 273 stickers left.

In a Nutshell

Addition and subtraction strategies make solving math problems easier and quicker.

Next
Introduction to Multiplication and Division