Common Core Standards: 4.NF.3c, 4.NF.3d, 4.MD.4, 4.MD.2
Examples, solutions and videos to help Grade 4 students learn how to add mixed numbers.

Topic F: Addition and Subtraction of Fractions by Decomposition

### NYS Common Core Module 5, Grade 4, Lesson 31

The following diagram shows how to add mixed numbers. Scroll down the page for more examples and solutions.

Lesson 31 Concept Development

Problem 1: Add mixed numbers combining like units.

Problem 2: Add mixed numbers when the sum of the fractional units is greater than 1 by combining like units.

Problem 3: Add mixed numbers when the sum of the fractional units is greater than 1 by making one.

Lesson 31 Problem Set

1. Solve.

2. Solve. Use a number line to show your work.

3. Solve. Use the arrow way to show how to make one.

4. Solve. Use whichever method you prefer.

Lesson 31 Homework

1. Solve.

2. Solve. Use a number line to show your work.

3. Solve. Use the arrow way to show how to make one.

4. Solve. Use whichever method you prefer.

Try the free Mathway calculator and problem solver below to practice various math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.