# Lesson 2 Measure in Centimeters

Let’s measure in centimeters.

## Warm-up Notice and Wonder: Centimeters

What do you notice? What do you wonder?

## Activity 1 Length in Centimeters

Measure the length of the bearded dragon using the single centimeter cubes.

The bearded dragon is centimeter cubes long.

Measure the bearded dragon using the 10-centimeter tool.

The bearded dragon is 10-centimeter tools long.

How many centimeters long is the bearded dragon?

The bearded dragon is centimeters long.

## Activity 2 Measure with 10-centimeter Tools

Measure the length of each reptile in centimeters.

cm

cm

cm

cm

Compare your measurements with your partner’s measurements.

How much longer is the day gecko than the threadsnake?

## Practice Problem

## Problem 1

Here is a rectangle.

How many centimeters wide is the rectangle?

How many centimeters tall is the rectangle?