Lesson 1 Standard Units of Measure

    • Let’s measure length.

Warm-up What Do You Know About …?

Student thinking.

What do you know about measuring?

Activity 1 Priya’s Pet

Reptile, Iguana.

Use straws to measure the string that shows how long Priya’s iguana is.

Priya’s iguana is straws long.

Activity 2 Use a Standard Unit

Use the cubes to measure Priya’s string.

  1. Priya’s iguana is cubes long.

  2. Compare your measurement with another group.

Practice Problem

Problem 1

How many centimeters long is each rectangle?

  1. Rectangle
  2. rectangle.