Unit 3, Lesson 18
Make a Yardstick
Grade 2
Warm-up
Find the value of each expression mentally.
Activity 1
Use the card. Make a yardstick that shows all inch marks from 1 to 36 inches.
The long side of the card measures 5 inches. The short side measures 3 inches.
Activity 2
- Compare your yardstick with a yardstick from another group. How are they alike? How are they different?
- Choose an object in the room. Measure it with both yardsticks. Do you get the same measurement? Explain or show your reasoning.