Appropriate Tools and Units

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13.1

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Appropriate Tools and Units

Essential Question

Geometry and Measurement—5.7 MATHEMATICAL PROCESSES 5.1.A, 5.1.C

What tools and units would you use to measure length, capacity, and weight or mass?

Unlock Unlock the the Problem Problem Mr. Lee wants to find Eric’s height. What tool and unit should Mr. Lee use to measure Eric’s height? Tell which units are measured by each tool.

Customary Length: Inch, Foot, Yard, and Mile ruler

yardstick

_

trundle wheel

odometer

_

_

_

_

_

So, Mr. Lee would use a __ to measure Eric’s height, and the unit he would use is __.

Tell which units are measured by each tool.

Customary Capacity: Teaspoon, Tablespoon, Cup, Pint, Quart, and Gallon

__ __

__ _

__

© Houghton Mifflin Harcourt Publishing Company

Weight: Ounce and Pound

Math Talk Mathematical Processes

spring scale

__

medical scale

__

Explain how a farmer might weigh sheep for the fair.

__ Module 13

467

Example Mr. Wilkins takes his dog to the vet. What tool and unit would the vet use to measure the dog’s mass? pan balance

Some metric units for measuring mass are grams, kilograms, and milligrams. Some tools that can be used are a pan balance and a large scale. So, the vet would use a __ to measure the dog’s mass, and the unit he would use is __.

large scale

Try This! Tell which units are measured by each tool. Metric Length: Millimeter, Centimeter, Meter, and Kilometer metric ruler meterstick

__ Math Idea

__ __

trundle wheel

__

Millimeter (mm), milliliter (mL), and milligram (mg) are very small metric units of length, capacity, and mass.

odometer

__

Metric Capacity: Milliliter and Liter

__

__

__

Share Share and and Show Show Metric

Choose the appropriate metric tool and unit.

Tools metric ruler

____

____

2. mass of a strawberry

____

____

3. capacity of a medicine bottle

____ 468

____

Units millimeter

medicine spoon meter measuring cup

kilometer

pan balance

gram

meterstick

kilogram

odometer

liter

trundle wheel

milliliter

© Houghton Mifflin Harcourt Publishing Company

1. length of a pencil

Name

Problem Problem Solving Solving 4.

Multi-Step Maria used one customary unit to measure the height of a tomato plant when it was first planted and a different customary unit when it was full grown. She used the same measurement tool both times. What tool did she use? What unit did she use each time?

5. Jill wants to know the length of a toy car in metric units. What tool

and unit will she use?

6. Use Tools Glen used ounces to measure the weight of an object.

What tool did he use? What could the object be?

Problem Problem Solving Solving

© Houghton Mifflin Harcourt Publishing Company • Image Credits: ©Michael A. Murphy/TxDOT

7.

Reasoning Would an inch ruler be a reasonable tool to use to measure the height of a water tower that is more than 68 feet tall? Explain.

8. Explain Which customary unit would most likely be used to

measure the capacity of a water tower? Why?

9.

Multi-Step What tool would you use to find the perimeter of a rectangular patio? What unit would you use?

▲ The Luling, Texas, water tower was built and painted to look like a watermelon in honor of the town’s annual Watermelon Thump Festival.

Module 13 • Lesson 1

469

Mathematical Processes M Model ¥ Reason ¥ Communicate M

Daily Daily Assessment Assessment Task Task Fill in the bubble completely to show your answer. 10. Pablo swims 1 length of a swimming pool. What unit would be best for

measuring the length of the pool?

A

inch

C

foot

B

centimeter

D

kilometer

11. Which of the following would you most likely measure in grams?

A

mass of a berry

B

mass of a watermelon

C

length of a berry

D

height of a watermelon

12. Multi-Step Mia used a measuring cup to find a particular

measurement. She recorded the measurement as 5 liters. What could Mia have been measuring?

A

weight of a punch bowl

B

capacity of a punch bowl

C

weight of a cereal bowl

D

capacity of a cereal bowl

TEXAS Test Prep 13. Use Tools Which tool would you use to measure the capacity of

470

A

meterstick

B

spring scale

C

measuring cup

D

1-liter container

© Houghton Mifflin Harcourt Publishing Company

a coffee mug?

Geometry and Measurement—5.7 MATHEMATICAL PROCESSES 5.1.A, 5.1.C

H o mewo rk and Practice

13.1

Name

Appropriate Tools and Units

Choose the appropriate metric tool and unit. 1. height of a soccer trophy

___

Tools

___

2. driving distance from home to the soccer field

___

___

3. length of a soccer field

___

___

4. capacity of a bucket

___

___

metric ruler

centimeter

medicine spoon

meter

measuring cup

kilometer

pan balance

gram

meterstick

kilogram

odometer

liter

trundle wheel

milliliter

___

___

7. capacity of an eye dropper

___

8. mass of an orange

___

Units

5. mass of a coin

6. length of a car

___

Metric

___

___

9. length of school building

___

___

___

© Houghton Mifflin Harcourt Publishing Company

Problem Problem Solving Solving 10. The Guadalupe River is a popular destination for

11. Would a yardstick be a reasonable tool to use to

rafters and canoers. Which customary unit would most likely be used to measure the length of a river? Why?

measure the length of a canoe paddle? Explain.

Module 13 • Lesson 1 471

TEXAS Test Prep

Lesson Lesson Check Check Fill in the bubble completely to show your answer.

mass of a mobile phone?

A

mass of a paper clip

A

meterstick

B

length of a horseshoe

B

trundle wheel

C

length of a longhorn cow

C

pan balance

D

mass of a longhorn cow

D

odometer

14. Every spring, cyclists participate in a two day

fundraising ride from Houston to Austin. Which unit would be best for measuring the distance they ride?

A

meter

B

kilometer

C

foot

D

yard

16. Brian serves ice cream to his family. Which is

the most likely measurement for the capacity of the ice cream carton?

A

1 cup

B

1 gallon

C

1 teaspoon

D

1 milliliter

18. Multi-Step Tristan used a measuring cup to

472

13. Which tool would you use to measure the

measure in kilograms?

15. Kaylee measures honey into a bowl with

ingredients for a batch of muffins. Which is the most likely measurement for the honey?

A

3 tablespoons

B

3 gallons

C

3 liters

D

3 kilograms

17. Which container would most likely have a

capacity that is measured in liters?

A

a drinking glass

B

a watering can

C

a baby bottle

D

a soup spoon

19. Multi-Step A scientist measured a museum

find a particular measurement. He recorded the measurement as 6 cups. What could Tristan have been measuring?

specimen. She recorded the measurement as 75 centimeters. What could the scientist have been measuring?

A

capacity of a mixing bowl

A

length of a dinosaur bone

B

weight of a mixing bowl

B

mass of a dinosaur bone

C

capacity of a juice glass

C

length of a gem

D

weight of a juice glass

D

mass of a gem

© Houghton Mifflin Harcourt Publishing Company

12. Which of the following would you most likely