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Expanded Form Explorers

Place Value Pioneers: Tens and Ones

Day 14of 180
Week 3of 36
30Minutes
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🖨️ Download Worksheet (PDF)🧮 Download Math Practice (PDF)

Learning Objectives

1

Understand how two-digit numbers can be written in expanded form

2

Decompose two-digit numbers into tens and ones

3

Develop appreciation for God's orderly design in mathematics

1 Corinthians 14:40

Let all things be done decently and in order.

1 Corinthians 14:40 (WEB)

Just as numbers have a specific order and place, God values order in our lives and actions

📦 Materials Needed

  • Base-ten blocks
  • Place value mat
  • Pencil
  • Worksheet
  • Bundling sticks

Lesson Plan

1Opening (5 min)

Welcome to today's BibleMouse math adventure! Let's review what we learned about tens and ones yesterday.

💭 Review Question: Can you show me how many tens and ones are in the number 34?
2Teaching (10 min)

Today we'll learn how to write numbers in a special way called 'expanded form'.

📌 Key Talking Points:
  • Every number has a special home - tens and ones
  • 45 can be written as 40 + 5
  • The first number tells us about the tens, the second about the ones
💬 Discussion Questions:
  • How many tens are in 45?
  • What are the ones in 45?
3Activity: Expanded Form Treasure Hunt (12 min)
hands-on

Use base-ten blocks to build and write numbers in expanded form

📝 Instructions:
  1. Choose a two-digit number card
  2. Build the number using base-ten blocks
  3. Write the number in expanded form on your worksheet
  4. Check your work with a parent
🔄 Variations:

Simpler: Use numbers under 30

Challenge: Create word problems using expanded form

4Closing (3 min)

Let's celebrate what we learned about numbers today!

📝 Review Questions:
  • What is expanded form?
  • How do tens and ones work together?

Coming up: Tomorrow, we'll explore how God designs numbers with perfect order

Teaching Notes

📚 Background:

Expanded form helps children understand place value deeply

💡 Teaching Tips:
  • Use physical blocks to make concepts concrete
  • Be patient and celebrate small victories
  • Connect math to God's design of order
🤔 Common Struggles:

Children might confuse tens and ones placement

👀 Signs of Understanding:

Ability to break down two-digit numbers correctly

Extension Activities

  • Create a number poster showing expanded form
  • Play 'Expanded Form Bingo' with family
  • Use BibleMouse Printables Library for additional worksheets

Ready for Tomorrow?

Great job completing today's lesson!

Continue to Day 15Back to Math