📖

Compensation Strategy: Making Friendly Numbers

Adding Within 100: Extended Strategies

Day 122of 180
Week 25of 36
30Minutes
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🖨️ Download Worksheet (PDF)🧮 Download Math Practice (PDF)

Learning Objectives

1

Understand how to adjust numbers to make addition easier

2

Practice adding two-digit numbers using compensation strategy

3

Develop confidence in mental math skills

Proverbs 3:5-6

Trust in Yahweh with all your heart, and don't lean on your own understanding. In all your ways acknowledge him, and he will make your paths straight.

Proverbs 3:5-6 (WEB)

Just as we adjust numbers to make math easier, we can trust God to help us solve life's challenges by relying on His wisdom

📦 Materials Needed

  • Base-ten blocks
  • Hundred chart
  • Pencil
  • Worksheet
  • Number cards

Lesson Plan

1Opening (5 min)

Welcome to today's BibleMouse math adventure! Let's review yesterday's adding strategy and introduce our new 'friendly numbers' trick.

💭 Review Question: Can you show me how we added tens and ones yesterday?
2Teaching (10 min)

Today we'll learn how to make numbers 'friendly' to make addition easier. We'll adjust numbers to create simpler math problems.

📌 Key Talking Points:
  • Sometimes numbers can be tricky to add
  • We can move some numbers around to make adding easier
  • This is like solving a puzzle with numbers!
💬 Discussion Questions:
  • What makes a number 'friendly'?
  • How can we make adding easier?
3Activity: Friendly Number Buddies (12 min)
hands-on

Use base-ten blocks to demonstrate compensation strategy with addition problems

📝 Instructions:
  1. Take two-digit number cards
  2. Rearrange to make adding easier
  3. Use blocks to check your work
  4. Record your solution on the worksheet
🔄 Variations:

Simpler: Use smaller numbers (20+15 instead of 28+35)

Challenge: Create word problems using compensation strategy

4Closing (3 min)

Review our friendly number strategy and celebrate our math skills!

📝 Review Questions:
  • What did we learn about adding numbers today?
  • How can we make numbers 'friendly'?

Coming up: Tomorrow we'll explore jumping around on our hundred chart to add numbers!

Teaching Notes

📚 Background:

Compensation strategy helps children develop flexible thinking about numbers

💡 Teaching Tips:
  • Be patient and demonstrate multiple times
  • Use physical manipulatives to show the strategy
  • Celebrate effort over perfect answers
🤔 Common Struggles:

Children might find it challenging to mentally adjust numbers

👀 Signs of Understanding:

Child's ability to explain how they made numbers 'friendly'

Extension Activities

  • Create a math game using compensation strategy
  • Practice strategy with BibleMouse Printables Library worksheets

Ready for Tomorrow?

Great job completing today's lesson!

Continue to Day 123Back to Math