📖

Shrinking by One

One More and One Less

Day 92of 180
Week 19of 36
15Minutes
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Learning Objectives

1

Understand the concept of 'one less'

2

Subtract one from small quantities of objects

3

Develop patience and careful counting skills

Ecclesiastes 4:9

Two are better than one, because they have a good reward for their labor.

Ecclesiastes 4:9 (WEB)

Just as the verse shows the value of having something, we'll learn about what happens when we take one away

📦 Materials Needed

  • Counting bears
  • Number cards 1-5
  • Ten frame
  • Small plate or tray

Lesson Plan

1Opening (3 min)

Review yesterday's 'one more' lesson and introduce 'one less'

💭 Review Question: Can you show me how we added one more yesterday?
2Teaching (5 min)

Demonstrate removing one object from a small group

📌 Key Talking Points:
  • When we take away one, we have 'one less'
  • Counting helps us know how many are left
  • It's like a small subtraction game
💬 Discussion Questions:
  • What happens when we remove one bear?
  • Can you count how many are left?
3Activity: Bear Subtraction Game (6 min)
hands-on

Practice removing one bear from different numbers of bears

📝 Instructions:
  1. Start with 4 bears on the ten frame
  2. Remove one bear and count how many are left
  3. Use number cards to match the remaining bears
🔄 Variations:

Simpler: Use fewer bears (2-3)

Challenge: Remove two bears instead of one

4Closing (3 min)

Recap the 'one less' concept

📝 Review Questions:
  • What does 'one less' mean?
  • Can you show me taking one away?

Coming up: Tomorrow we'll learn about number neighbors!

Teaching Notes

📚 Background:

PK4 students are just beginning to understand subtraction

💡 Teaching Tips:
  • Use lots of positive encouragement
  • Make counting a fun game
  • Be patient with counting mistakes
🤔 Common Struggles:

Confusing 'one more' and 'one less'

👀 Signs of Understanding:

Accurate counting and understanding of removing one object

Extension Activities

  • Use BibleMouse Printables Library subtraction worksheets
  • Sing counting songs from BibleMouse Song Collection

Ready for Tomorrow?

Great job completing today's lesson!

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