Printable activities for teaching the meaning of equals (Grade 3)

📚 Understanding the Meaning of Equals: A Teacher's Guide for Grade 3

This lesson plan provides engaging activities to help students grasp the concept of equality in mathematical equations. It moves beyond the simple 'answer' and emphasizes the balance between both sides of the equals sign.

🎯 Objectives

• 🎯 Students will be able to define the equals sign as 'the same as'.
• ⚖️ Students will be able to determine if equations are true or false.
• ➕ Students will be able to balance equations by finding missing addends or subtrahends.

📝 Materials

• ➕ Printable worksheets (provided below)
• 🖍️ Colored pencils or markers
• 🧮 Manipulatives (e.g., counters, blocks)
• ✂️ Scissors
• glue

Warm-up (5 minutes)

• ❓ Questioning: Begin by asking students what they think the equals sign means. Encourage a discussion and write their ideas on the board.
• 🤝 Think-Pair-Share: Have students pair up to discuss real-life examples of things that are equal (e.g., two halves of an apple make one whole apple).

Main Instruction (25 minutes)

1. ⚖️ Balancing Act with Manipulatives

   • 🧱 Introduction: Introduce the concept of a balanced scale. Explain that the equals sign is like the center of the scale, ensuring both sides have the same value.
   • ➕ Activity: Use manipulatives (e.g., blocks) to represent simple equations. For example: $3 + 2 = 5$. Show this by placing 3 blocks and 2 blocks on one side and 5 blocks on the other.
   • ➖ Extension: Create unbalanced equations (e.g., $4 + 1 = 3$) and ask students to add or remove blocks to make them balanced.

2. 📝 Printable Worksheet Activities

   • ✏️ True or False Equations: Provide a worksheet with a series of equations. Students must determine if each equation is true or false (e.g., $7 + 3 = 10$ (True), $5 + 2 = 6$ (False)).
   • ❓ Missing Number Equations: Provide equations with a missing number. Students must fill in the blank to make the equation true (e.g., $4 + \_\_\_ = 9$).
   • 🎨 Cut and Paste Equations: Create a worksheet with equation parts that students can cut out and glue together to form true equations (e.g., cut out numbers and symbols to create $2 + 3 = 5$).

✅ Assessment

• 📝 Worksheet Review: Collect and review the completed worksheets to assess student understanding.
• 🗣️ Class Discussion: Facilitate a class discussion where students explain how they solved the missing number equations and determined if equations were true or false.
• ➕ Exit Ticket: Provide a short exit ticket with one or two equations for students to solve independently.

➕ Printable Worksheet Examples

True or False

Missing Number