Unit 3 - Lesson 10 - Grade 2: Illustrative Mathematics

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16 questions

Note from the author:

Grade 2 Unit 3
Lesson 10: Measure with a Torn Tape
CC BY 2021 Illustrative Mathematics®

Instructions

Grade 2 Unit 3
Lesson 10: Measure with a Torn Tape
CC BY 2021 Illustrative Mathematics®

Lesson: Measure with a Torn Tape

True or False: Constant Difference (Warm Up)

Decide if each statement is true or false. Be prepared to explain your reasoning.

The Notebook Problem

Jada and Han used an inch ruler to measure the short side of a notebook.

How did Han and Jada get the same measurement?

Write an equation that could show Jada’s thinking.

Measure an object using Jada’s method.

I measured a _______. 

I started with the number _______. 

I ended with the number _______. 

Equation: _______. 

The length of my object is _______. 

What do you notice about you and your partner’s measurements?

A Desktop to Measure

Lin is measuring her desktop in inches. What is the length of the long side of the desktop? 

Show your thinking using drawings, numbers, or words.

Equation: _______ 

The long side of the desktop is _______.

What is the length of the short side of the desktop? Show your thinking using drawings, numbers, or words.

Show your thinking using drawings, numbers, or words.

Equation: _______ 

The short side of the desktop is _______.

Cool Down: Torn Tape

How long is the picture frame? Show your thinking.

The picture frame is _______ inches long.

Unit 3 - Lesson 10 - Grade 2: Illustrative Mathematics

True or False: Constant Difference (Warm Up)

The Notebook Problem

How did Han and Jada get the same measurement?

Write an equation that could show Jada’s thinking.

What do you notice about you and your partner’s measurements?

A Desktop to Measure

Write an equation to represent the length of the picture frame.