Subtraction within 10: Concrete and Pictorial

Free sample questions, a clear explanation, and 5 practice skills with an AI tutor that guides without giving the answer away.

The Amazing Take-Away Adventure!

Hello, Math Explorer! Have you ever had a bunch of yummy cookies and shared some with a friend? When you share or give some away, you are doing subtraction! Subtraction is all about finding out how much is left after taking some away. It's like a fun little mystery!

From Cookies to Pictures to Numbers!

Let's pretend you have 7 delicious cookies. That's our whole number. You are super kind and give 3 cookies to your friend. This is the part you take away. How do we find out what's left?

With real objects (Concrete): You can use 7 blocks or crayons. Move 3 of them away. How many are left? That's right, 4!
With pictures (Pictorial): You can draw 7 circles. Then, cross out 3 of them. Count the circles that are not crossed out. You'll find 4 are left!

Writing a Number Sentence

Now, let's be super mathematicians and write an equation! We started with 7, took away 3, and had 4 left. We write it like this:

7 - 3 = 4

The - sign is called the minus sign. It means "take away." The answer in subtraction is called the difference.

Key Takeaway!

Subtraction is like a puzzle where you find the missing part! Remember, if you know the whole and one part, you can always find the other part.

Fact Family Friends!

Did you know addition and subtraction are best friends? They are part of a fact family! If you know that 5 + 3 = 8, you already have a secret clue to solve a subtraction problem.

Think about a number bond. The whole is 8, and the parts are 5 and 3. So, if you start with the whole (8) and take away one part (3), what part is left? You got it, it's 5!

Because 5 + 3 = 8, you know that 8 - 3 = 5!

You are doing an amazing job exploring the world of subtraction. Keep practicing, and you'll be a subtraction superstar in no time!

Sample questions

1. There are 7 red apples. You eat 3 apples. How many apples are left?

○ 3

○ 5

○ 6

✓ 4

Answer: 4 — Start with 7 apples, then take away 3. Count the apples that are still there.

2. You have 5 shiny balloons. 2 balloons fly away. How many balloons do you have now?

✓ 3

○ 2

○ 7

○ 4

Answer: 3 — Imagine 5 balloons, then 2 float away. How many are left in your hand?

3. There are 9 little birds on a branch. 4 birds fly away. How many birds are still on the branch?

○ 4

✓ 5

○ 13

○ 6

Answer: 5 — If 9 birds are sitting and 4 leave, count the ones that stay.

Skills in this topic

Separate a group of concrete objects to find the difference within 10.
Represent subtraction situations within 10 using pictorial models (take away, compare).
Write subtraction equations (e.g., c - b = a) to match concrete and pictorial representations within 10.
Solve subtraction problems within 10 using number bonds.
Explain how knowing 5 + 3 = 8 helps you solve 8 - 3 = ?.

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