# Exponents Lesson Plan: Number and Operations

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This lesson accompanies the BrainPOP topic **Exponents****,** and supports the standards of using whole-number exponents to denote powers of 10, and writing and evaluating numerical expressions involving whole-number exponents. Students demonstrate understanding through a variety of creative projects.

**Step 1: ACTIVATE PRIOR KNOWLEDGE**

Display expressions involving numbers in base 10, like these:

10 x 10 = 100

10 x 10 x 10 = 1,000

10 x 10 x 10 x 10 = 10,000

10 x 1/10 = 1

10 x 1/100 = 0.1

10 x 1/1,000 = 0.01

Ask students:

*How does multiplication affect a number? How does division affect a number?**How are the numbers 10 and 0.1 related?**Do you notice any patterns in the numbers above? Explain.*

**Step 2: BUILD BACKGROUND**

- Read aloud the description on the
**Exponent Topic Page**. - Play the
**Movie**, pausing to check for understanding. - Have students read one of the following
**Related Reading**articles: “In Practice” or “In Depth”. Partner them with someone who read a different article to share what they learned with each other.

**Step 3: APPLY **

Students synthesize their ideas and express them through one or more of the following creative projects. They can work individually or collaborate.

**Make-a-Movie**: Imagine you invest $2.00 in an account that doubles your money each week. Create a tutorial explaining how much money you would have after 10 weeks.**Make-a-Map**: Make a concept map identifying quantities that are best measured with either positive or negative exponents, such as the number of cells in your body or the diameter of a red blood cell.**Creative Coding****:**Code a math problem that uses exponents.

**Step 4: REFLECT & ASSESS **

**Reflect**: After sharing creative projects with each other, students reflect on what they’ve learned about exponents. Prompt them by asking questions such as:

*How do exponents relate to multiplication and division?*

*Why might you represent a quantity with a positive exponent? Why might you use a negative exponent?*

*What is the exponential form of 1,000,000?*

*How can you represent 5 x 5 x 5 x 5 with an exponential expression?*

**Assess: **Wrap up the lesson with the **Exponents Quiz**.

**Step 5: Extend Learning**

Continue to build understanding around number and operations concepts with BrainPOP’s **Numbers and Operations** topics, games, and teacher resources.