aidemia--modules-lessonstartideas_type	Give a creative idea how to begin a lesson
Which subject	Mathematics
What age group	Reception / Kindergarten
What topic	inverse relationship between addition and subtraction
Quantity	1
Any other preferences

Welcome to Our Maths Adventure!

Introduction to Inverse Relationships: Addition and Subtraction

Objective of the Lesson

Today, we will embark on an exciting adventure to discover how addition and subtraction are friends that work together! We will learn that when we add and then subtract, we can find the same total again. Let’s have some fun with numbers!

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The Magic Number Bag

Materials Needed:

• A small bag or box
• 5 bright, colourful counters (like buttons or blocks)
• A storybook about counting (optional)
• A whiteboard or large paper for drawing

Lesson Start:

1. Gather the Children: Have the children sit in a circle. Show them your Magic Number Bag filled with colourful counters.

2. Introduction to the Counters:

   • Take out one counter from the bag and say, “Look! I have one counter. Can anyone count with me?”
   • Encourage the children to count aloud as you place it on the ground.

3. Adding Counters:

   • Now, take out two more counters from the bag. Place them next to the first counter and say, “Now, let’s add these two counters. How many do we have in total?”
   • Count together: 1 (first counter) + 2 (the next two counters) = 3 counters.
   • Write this on the whiteboard: 1 + 2 = 3.

4. Introducing the Concept of Subtraction:

   • Place the counters in front of the children and say, “Now, if one of my friends takes away one counter, how many do we have left?”
   • Remove one counter and ask the children to count how many are left: 3 - 1 = 2.
   • Write this down: 3 - 1 = 2.

5. Wrap-Up:

   • Explain that addition and subtraction work together. When we add some counters and then take one away, we see how they can change the total.
   • Show them how we can go back to the starting number with the relationship: 1 + 2 = 3 and 3 - 1 = 2.

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Transition to the Activity

• Now that we’ve seen how these numbers work together, let’s have some fun! We'll create our very own Number Stories using counters!

Closing:

Thank you for joining our Maths Adventure! Remember, addition and subtraction are like two sides of the same coin. Can’t wait to explore more together!

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Extension Ideas (for the teacher):

• After the lesson, you can encourage children to create their own stories using counters and practice the addition and subtraction with their friends.
• Use stories or real-life examples where they can see how addition and subtraction relate to their daily lives (like sharing toys, snacks, etc.).

By using this engaging introduction, children will not only learn about the inverse relationship of addition and subtraction but will also enjoy the playful aspect of mathematics!