Subtracting Equations | How to Subtract | Khan Academy Kids

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In this lesson, students learn about subtraction through a fun example involving Pack and his buttons. By starting with six buttons and taking away two, they discover that Pack is left with four buttons, which is just the right amount for his sweater. The lesson emphasizes that subtraction can be enjoyable and encourages students to apply it in their own counting situations.
  1. How many buttons did Pack start with?
  2. If Pack takes away two buttons, how many buttons does he have left?
  3. Why is it important for Pack to take away the right number of buttons for his sweater?

Subtraction Fun with Buttons!

Hey there! Are you ready to have some fun with subtraction? Let’s learn how to do it with a simple and easy example.

Meet Pack and His Buttons

Pack has six buttons, but he only needs four to make his sweater. So, how many buttons should he take away?

Let’s Do the Math!

Pack starts with six buttons. He decides to take away some to have just the right number for his sweater.

He takes away one button, then another one. Let’s count how many he took away: one, two.

Now, if we take away two buttons from six, how many are left? That’s right, four buttons!

Great Job!

Now Pack has exactly four buttons, just what he needs for his sweater. Super job, Pack!

And there you have it! Subtraction can be easy and fun. Next time you have something to count, try using subtraction to find out how many you need.

  • Can you think of a time when you had to take something away, like Pack did with his buttons? What did you take away, and why?
  • If you had six toys and you gave two to a friend, how many would you have left? How does this make you feel?
  • Imagine you are helping Pack with his buttons. What other things can you subtract in your daily life, and how do you decide how many to take away?
  • Button Subtraction Game: Gather a small collection of buttons or similar small objects. Start with a set number, like ten. Ask the children to remove a certain number of buttons and count how many are left. Encourage them to try different numbers to subtract and see the results. This hands-on activity helps them visualize subtraction.

  • Subtraction Story Time: Encourage the children to create their own subtraction story using toys or drawings. For example, they can draw a picture of a tree with seven apples and then imagine a scenario where some apples fall off. Ask them to count how many apples are left on the tree. This activity helps them apply subtraction in creative storytelling.

  • Subtraction in Nature: Take a walk outside and find natural items like leaves or pebbles. Have the children collect a small number, then ask them to give some away to a friend or put some back. Ask questions like, “If you had eight leaves and gave three to a friend, how many do you have now?” This encourages them to use subtraction in real-world settings.

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