📖

Place Value Power: Tens Stay Together

Adding Two-Digit Numbers and Multiples of 10

Day 68of 180
Week 14of 36
30Minutes
← Day 67Day 68 of 180Day 69 →
🖨️ Download Worksheet (PDF)🧮 Download Math Practice (PDF)
🎯 What You'll Learn

Learning Objectives

1

Understand that tens stay together when adding

2

Use base-ten blocks to represent two-digit number additions

3

Develop careful and precise mathematical thinking

📖 Scripture Connection

Proverbs 16:16

“How much better it is to get wisdom than gold! Yes, to get understanding is to be chosen above silver.”

— Proverbs 16:16 (WEB)

Just as we carefully organize tens in math, wisdom requires careful organization of thoughts and understanding

📦 Materials Needed

  • Base-ten blocks
  • Place value mat
  • Pencil
  • Worksheet
  • BibleMouse Math Manipulatives Kit
📚 Step-by-Step

Lesson Plan

1Opening (5 min)

Welcome to today's BibleMouse math adventure! Let's review how we added tens yesterday.

💭 Review Question: Can you show me how we added 30 + 20 on the hundred chart?
2Teaching (10 min)

Today we'll learn how tens always stick together when we add them.

📌 Key Talking Points:
  • Tens are like a team that always stays together
  • When we add tens, we keep them in the tens column
  • Base-ten blocks help us see how this works
💬 Discussion Questions:
  • What happens to the tens when we add 40 + 30?
  • Can you show me where the tens 'live' on our place value mat?
3Activity: Tens Team Building (12 min)
hands-on

Use base-ten blocks to demonstrate adding tens

📝 Instructions:
  1. Take out your base-ten blocks
  2. Build 40 on one side of the place value mat
  3. Build 30 on the other side
  4. Combine the tens blocks
  5. Count how many tens you now have
🔄 Variations:

Simpler: Use fewer blocks and smaller numbers

Challenge: Add three different tens numbers together

4Closing (3 min)

Let's review our tens team strategy!

📝 Review Questions:
  • What did we learn about adding tens?
  • How do tens stick together?

Coming up: Tomorrow we'll play quick mental math games with tens!

👨‍👩‍👧 For Parents

Teaching Notes

📚 Background:

First graders are learning place value concepts

💡 Teaching Tips:
  • Be patient and use lots of visual demonstrations
  • Make math feel like a fun game
  • Praise effort over perfection
🤔 Common Struggles:

Keeping tens and ones separate can be challenging

👀 Signs of Understanding:

Child confidently using base-ten blocks to represent numbers

🚀 Want More?

Extension Activities

  • Create a 'Tens Team' poster
  • Play 'Tens Match' game using BibleMouse Math Cards

Ready for Tomorrow?

Great job completing today's lesson!

Continue to Day 69 →Back to Math