K-5 friendly lesson
Try one idea, then jump into the activity.These lessons are designed to feel short, friendly, and easy to follow.

Use models to add a multiple of ten and a one-digit number

Master the skills and concepts for: Use models to add a multiple of ten and a one-digit number.

Lesson 4

Concept

**What you'll learn** This lesson covers **Use models to add a multiple of ten and a one-digit number**. Understanding this topic builds your mathematical foundation and connects to other ideas in the course. **Key ideas** Work through the definitions, examples, and procedures. Pay attention to when and how to apply the main concept. Practice with the exercise below to reinforce your understanding. **Why it matters** These skills appear in later lessons and in real-world applications. Take time to check your work and use the quiz to confirm you've got the main idea.

Try it

Practice: Use models to add a multiple of ten and a one-digit number. 1. Work through one example from the concept section. 2. Try a similar problem with different numbers or a slight variation. 3. Explain in one sentence how you knew what to do.

Concept Check

What is the main focus of "Use models to add a multiple of ten and a one-digit number"?

Key terms