Decimeter

Mathematics Grade 1 Difficulty 2/5

Beginning of the lesson

What is a Decimeter?

A decimeter is a way to measure how long things are!

We write it like this: dm

How Big is a Decimeter?

A decimeter is 10 centimeters long.

It is about as long as your hand!

Let's See 10 Centimeters!

Here are 10 little boxes. Each box is 1 centimeter.

All 10 boxes together make 1 decimeter!

Things That Are About 1 Decimeter Long

Your hand

A small toy

A crayon box

Continue this lesson on YourAIZone

The full lesson has the complete explanation, worked examples, common mistakes, tests with instant checking and an AI tutor. Start right away as a guest, or create an account to keep your progress.

Continue as a guest Create an account Log in

In the full lesson

The complete explanation
Worked examples
Common mistakes and how to avoid them
Test questions: 45
AI tutor that answers questions about the topic
Progress tracking for students, parents and teachers