Unit 3 - Lesson 8 - Grade 2: Illustrative Mathematics - Formative Library | Library

Instructions

Grade 2 Unit 3
Lesson 8: What is an Inch?
CC BY 2021 Illustrative Mathematics®

Notice and Wonder: Inches and Centimeters (Warm Up)

1

What do you notice?

1

What is an Inch?

1

Find 2 items that are about an inch long.

Item 1: _______ 

Item 2: _______ 

1

Measure the Sides of Shapes

1

How long is the long side of the rectangle in inches?

Estimate: _______ inches

1

Measure the long side of the rectangle in inches.

Actual length: _______ inches

1

How long is a side of the square in inches?

Estimate: _______ inches

1

Measure one side of the square.

Actual length: _______ inches

1

How long is the longest side of the triangle in inches?

Estimate: _______ inches

1

Measure the longest side of the triangle.

Actual length: _______ inches

Measure the long and short sides of the rectangle in inches.

1

Long side: _______ in

1

Short side: _______ in