How Does Counting in Tens - Elementary Maths Work?

Counting in tens is like having special jumping steps that help you count faster and easier.

Imagine you have 10 toy cars. When you add another 10 toy cars, instead of counting each one by one, you just say "10 more!" So now you have 20 toy cars, it's like taking a big jump from 10 to 20.

How It Works

If you count in tens, you're adding or subtracting groups of 10, just like you might group your toys into piles of ten.

  • If you have 30 candies and get another 10, now you have 40.
  • If you had 50 stickers and gave away 10, you’re left with 40.

It’s like climbing stairs, each step is a group of 10. You go up one step at a time, and suddenly you’ve climbed all the way to 100!

You can use your fingers or even draw circles on paper to keep track of how many tens you have. It's like making little groups of things that are easy to count, just like when you group your toys for cleanup!

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Examples

  1. Counting from 1 to 10, then jumping by tens to count up to 30.
  2. Using blocks to group 10 items together and counting groups.
  3. Adding 20 + 30 by counting two full tens and three full tens.

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