# Counting Back Lesson Plan: Operations and Algebraic Thinking

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This lesson accompanies the BrainPOP Jr. topic **Counting Back**. It supports the standard of using addition and subtraction within 100 to solve one- and two-step word problems involving situations of adding to and taking from. Students demonstrate understanding through a variety of projects.

**Step 1: ACTIVATE PRIOR KNOWLEDGE**

Ask students:

*When might you use subtraction to solve a real-world problem? Why would it be helpful?*

**Step 2: BUILD KNOWLEDGE**

- Play the
**Counting Back movie**. - Click the pause button each time a question appears in Annie’s Notebook and discuss it as a class. Then play to see how Annie answers it.

**TIP**: The pause button turns red to remind you to pause.

**Step 3: APPLY and ASSESS**

Students take the **Easy Quiz** or **Hard Quiz**, demonstrating what they learned about the topic while applying essential literacy skills.

**Step 4: DEEPEN and EXTEND**

Students express what they learned about counting back while practicing **essential literacy skills** with one or more of the following activities. Differentiate by assigning ones that meet individual student or grade-level needs.

**Draw About It**: Draw a picture to represent a word problem.**Activity**: Count back from the highest number to find the answer.**Talk About It**: Write a number sentence for each pictured item.**Write About It**: Find the number Moby is thinking of, and explain how you found it.

**More to Explore **

**Addition and Subtraction Unit**: Continue to build understanding around basic operations by exploring more BrainPOP Jr. topics.

**Teacher Support Resources**: