## Big Ideas Math Book 2nd Grade Answer Key Chapter 11 Measure And Estimate Lengths

### Measure And Estimate Lengths Vocabulary

**Organize It**

Use the review words to complete the graphic organizer.

Answer: Tree is measured bu Height and Bird is measured by Length

**Define It**

Use your vocabulary cards to match.

### Lesson 11.1 Measure Lengths in Centimeters

**Explore and Grow**

Use a centimeter cube to find the length of each string.

Answer:

Explain how you measured.

______________________

______________________

______________________

Answer: The centimeters were measured by Scale.

**Show and Grow**

**Measure.**

Question 1.

about _______ centimeters

Answer: 1 centimeters

Question 2.

about ________ centimeters

Answer: 12 centimeters

Question 3.

about ______ centimeters

Answer: 20 centimeters

**Apply and Grow: Practice**

**Measure.**

Question 4.

about ______ centimeters

Answer: 15 centimeters

Question 5.

about ______ centimeters

Answer: 4 centimeters

Question 6.

Draw a pencil that is about 9 centimeters long.

Answer:

Question 7.

**YOU BE THE TEACHER**

Newton says the ribbon is about 14 centimeters long. Is he correct? Explain.

_______________________

_______________________

Answer: No. It is not correctly measured on a scale. It should be measured from 0 cm to 14 cms.

**Think and Grow: Modeling Real Life**

Will the hammer fit inside a toolbox that is 40 centimeters long? Explain.

______________________

______________________

Answer: The toolbox will be around 50 centimeters long, So the Hammer with 40 centimeters will fit in it.

**Show and Grow**

Question 8.

Will the sunglasses fit inside a case that is 10 centimeters long? Explain.

________________________

________________________

Answer: Yes, Sunglasses will fit inside the case that is 10 centimeters as Sunglasses will be around 9 centimeters.

### Measure Lengths in Centimeters Homework & Practice 11.1

**Measure.**

Question 1.

about ______ centimeters

Answer: about 8 centimeters

Question 2.

about _______ centimeters

Answer: about 15 centimeters

Question 3.

about _______ centimeters

Answer: about 3 centimeters

Question 4.

about _______ centimeters

Answer: about 6 centimeters

Question 5.

**Precision**

Which crayon is shorter than 8 centimeters?

Answer: Yellow and Green crayons are shorter than 8 centimeters.

Question 6.

**Modeling Real Life**

Will the pen fit inside a pouch that is 18 centimeters long? Explain.

______________________

_______________________

Answer: Yes the pen will fit inside a pouch that is 18 centimeters long as the pen is around 15 centimeters.

**Review & Refresh**

### Lesson 11.2 Measure Objects Using Metric Length Units

**Explore and Grow**

Which real-life objects are shorter than a centimeter ruler?

Answer:

**Show and Grow**

**Find and measure the object shown in your classroom.**

Question 1.

about _______ meter

Answer: 3 meter

Question 2.

meter ______ centimeters

Answer: 3 centimeters

Question 3.

about _______ meters

Answer: 2 meter

**Apply and Grow: Practice**

**Find and measure the object shown in your classroom.**

Question 4.

about _______ meters

Answer: 3 meters

Question 5.

about ______ centimeters

Answer: 15 centimeters

Question 6.

about _______ meters

Answer: 2 meters

Question 7.

about ______ centimeters

Answer: 30 centimeters

Question 8.

**Choose Tools**

Would you measure the length of a bus with a centimeter ruler or a meter stick? Why?

________________________

________________________

Answer: The length of a bus can be measured with meter stick because the bus is big in side.

The centimeter scale is small and meter scale is big.

**Think and Grow: Modeling Real Life**

Your friend says a car has a length of about 4. Is the car about 4 meters long or about 4 centimeters long? Explain.

The car is about 4 ________ long.

________________________

________________________

Answer: The car is about 4 meters long.

**Show and Grow**

Question 9.

Your friend says a shoe has a length of about 12. Is the shoe about 12 centimeters long or about 12meters long? Explain.

The shoe is about 12 ____________ long.

______________________

______________________

Answer: The shoe is about 12 centimeters long.

Question 10.

**DIG DEEPER!**

Your friend places 2 of the same real objects end to end. Together, they have a length of about 18 centimeters. Which object did your friend use? Explain.

_________________________

_________________________

Answer: 1st and 2nd object together will be 18 centimeters. As 3rd object will be larger than 18 centimeters.

### Measure Objects Using Metric Length Units Homework & Practice 11.2

**Find and measure the object.**

Question 1.

about ______ meters

Answer: 7 meters

Question 2.

about ______ centimeters

Answer: about 1000 centimeters

Question 3.

about ______ centimeters

Answer: 20 centimeters

Question 4.

about ______ meters

Answer: 3 meters

Question 5.

**Number Sense**

Complete the sentences using centimeters or meters.

A window is about 2 ________ long.

Answer: A window is about 2 meter long.

A finger is about 8 ______ long.

Answer: A finger is about 8 centimeter long.

A zucchini is about 12 _______ long.

Answer: A zucchini is about 12 centimeter long.

An airplane is about 20 _______ long.

Answer: An airplane is about 20 meter long.

Question 6.

**Modeling Real Life**

Your friend says that the length of a soccer field is about 91. Is the soccer field about 91 centimeters long or about 91 meters long? Explain.

The soccer field is about 91 _______ long.

______________________

_______________________

Answer: The soccer field is about 91 meters long.

Question 7.

**DIG DEEPER!**

Order the lengths from shortest to longest.

_________, _________, _________

Answer: 3 centimeters, 1 meter, 200 centimeter.

**Review & Refresh**

Question 8.

3 + 7 = _____ + 3

Answer: 7+3

Question 9.

5 + 4 = 4 + ______

Answer: 4+5

Question 10.

6 + 0 = ____ + 6

Answer: 0+6

Question 11.

1 + 2 = 2 + ____

Answer: 2+1

### Lesson 11.3 Estimate Lengths in Metric Units

**Explore and Grow**

Find an object that is shorter than the string.

Without using a ruler, tell how long you think the object is.

Answer: Pencil

______ centimeters

Answer: 12 centimeters

Explain.

________________________

________________________

Answer: The Pencil is around 12 centimeters which is shorter than the 13 centimeters string.

**Show and Grow**

Question 1.

The chalk is about 8 centimeters long. What is the best estimate of the length of the toothpick?

Answer: 6 centimeters

Question 2.

The fishing pole is about 1 meter long. What is the best estimate of the length of the alligator?

Answer: 3 meters

**Apply and Grow: Practice**

Question 3.

The hover board is about 1 meter long. What is the best estimate of the length of the surfboard?

Answer: 2 meters

Question 4.

The pineapple is about 25 centimeters long. What is the best estimate of the length of the asparagus?

Answer: 20 centimeters

Question 5.

What is the best estimate of the length of a piece of notebook paper?

21 centimeters

1 meter

5 centimeters

Answer: 21 centimeters

Question 6.

What is the best estimate of the height of a traffic light?

1 meter

5 meter

30 centimeters

Answer: 5 meter

Question 7.

**Precision**

Match.

Answer:

**Think and Grow: Modeling Real Life**

The leaf is about 8 centimeters long. Draw a tree branch that is about 16 centimeters long.

Answer:

**Show and Grow**

Question 8.

The piece of celery is about 10 centimeters long. Draw a carrot that is about 5 centimeters long.

Answer:

Question 9.

**DIG DEEPER!**

Each bead is about 2 centimeters long. Draw a rectangular bead that is about 3 centimeters long.

How did you use the length of the given beads to draw the rectangular bead?

________________________

__________________________

Answer:

The length of given rectangular beads were measured with scale.

### Estimate Lengths in Metric Units Homework & Practice 11.3

Question 1.

The swimming pool is about 12 meters long. What is the best estimate of the length of the raft?

Answer: 2 meters

Explanation:The length of the Swimming pool is 12 meters long, the raft length will be 2 meters as it is very small.

Question 2.

What is the best estimate of the height of a tulip?

Answer: 4 meters

Explanation: The height of the tulip is big so, It can be estimated by 4 meters.

Question 3.

What is the best estimate of the height of a giraffe?

Answer: 50 meters.

Explanation: The height of the giraffe is big so it can be estimated by 50 meters.

Question 4.

**Logic**

Newton says the best estimate for the height of a skyscraper is 4 meters. Do you agree? Explain.

_______________________

_______________________

Answer: No, The skyscraper estimated height is 150 meters.

Question 5.

**Modeling Real Life**

A granola bar is about 9 centimeters long. Draw its wrapper that is about 12 cm long.

Answer:

**Review & Refresh**

**Is the equation true or false?**

Question 6.

Answer: True

Explanation: 13-5=8 and 15-7=8, they are equal.

Question 7.

Answer: False

3+6=9 and 11-3=8, They are not equal.

Question 8.

Answer: True

Explanation: 2+10=12 and 6+6=12

Question 9.

Answer: False

14-9=5 and 4+9=13

### Lesson 11.4 Measure Lengths in Inches

**Explore and Grow**

Use an inch tile to find the length of each string.

Explain how you measured.

______________________

______________________

Answer: It is measured with inch scale.

**Show and Grow**

**Measure.**

Question 1.

about _______ inches

Answer: about 3 inches

Question 2.

about ______ inch

Answer: about 1 inch

Question 3.

about _______ inches

Answer: about 6 inches.

**Apply and Grow: Practice**

**Measure.**

Question 4.

about ______ inches

Answer: about 6 inches

Question 5.

about ______ inches

Answer: about 2 inches

Question 6.

Draw a crayon that is about 4 inches long.

Answer:

Question 7.

**YOU BE THE TEACHER**

Your friend says the watch is about 6 inches long. Is your friend correct? Explain.

Answer: It is 6 inches but it should be measured from 0 inch to 6 inches.

**Think and Grow: Modeling Real Life**

Will the toothbrush fit inside a case that is 4 inches long? Explain.

_________________________

_________________________

Answer: No

Explantion: It cannot be fit in 4 inches case because the toothbrush is about 8 inches long.

**Show and Grow**

Question 8.

Will the colored pencil fit inside a pencil box that is 8 inches long? Explain.

________________________

__________________________

Answer: Yes

Explanation: The colored pencil can be fit in pencil box as colored pencil will be about 5 inches long.

### Measure Lengths in Inches Homework & Practice 11.4

**Measure.**

Question 1.

about _____ inch

Answer: About 2 inch.

Question 2.

about _______ inches

Answer: about 3 inches.

Question 3.

about _____ inches

Answer: about 6 inches.

Question 4.

**YOU BE THE TEACHER**

Newton says the highlighter is about 5 centimeters long. Is he correct? Explain.

______________________

_______________________

Answer: No, The highlighter will be about 11 centimeters long, So Newton is wrong as 5 centimeters is very small.

Question 5.

**Modeling Real Life**

Will the screwdriver fit inside a case that is 5 inches long? Explain.

____________________________

____________________________

Answer: Yes

Explanation: The screwdriver will be about 4.5 inches long so it will fit in 5 inches case.

**Review & Refresh**

Question 6.

Write how many tens. Circle groups of 10 tens. Write how many hundreds. Then write the number.

_____ tens ______ hundreds _____

Answer: 50 tens 5 hundreds 500

### Lesson 11.5 Measure Objects Using Customary Length Units

**Explore and Grow**

Which real-life objects are longer than an inch ruler?

Answer:

**Show and Grow**

Find the object shown in your classroom. Choose an inch ruler, a yardstick, or a measuring tape to measure the object. Then measure.

Question 1.

Tool: _______

Length: about _________

Answer: Tool: Inch ruler

Length: about 14 inches

Question 2.

Tool: _______

Length: about ________

Answer: Tool: Yardstick

Length: 2 meters

Question 3.

Tool: _______

Length: about _________

Answer: Toot: Measuring tape

Length: about 15 centimeters

**Apply and Grow: Practice**

Find the object shown in your classroom. Choose an inch ruler, a yardstick, or a measuring tape to measure the object. Then measure.

Question 4.

Tool: __________

Length: about ________

Answer: Tool: inch ruler

Length: about 3 inches

Question 5.

Tool: _________

Length: about ____________

Answer: Tool: measuring tape

Length: about 200 centimeters

Question 6.

Find and measure an object using a measuring tape.

Object: _________

Length: about __________

Answer: Object: Chair

Length: about 100 centimeters

Question 7.

Find and measure an object using an inch ruler.

Object: ________

Length: about _________

Answer: Object: Phone

Length: about 6 inches

Question 8.

**Choose Tools**

Would you measure the length of the playground with an inch ruler or a yardstick? Explain.

______________________

______________________

Answer: The length of the playground can be measured with a yardstick because the yardstick is long and it will be easy to measure long objects like length of playgraound.

**Think and Grow: Modeling Real Life**

Your friend says her height is about 4. Is she about 4 inches tall, about 4 feet tall, or about 4 yards tall? Explain.

She is about 4 ______ tall.

______________________

______________________

Answer: She is about 4 feet tall

Explanation: The height of a person is measured in feet.

**Show and Grow**

Question 9.

Your friend says the length of a baseball bat is about 1. Is the bat about 1 inch long, about 1 foot long, or about 1 yard long? Explain.

________ long.

_________________________

_________________________

Answer: 1 foot long

Explanation: The length a baseball bat is 1 foot long.

Question 10.

Your friend says the length around an orange is about 9. Is the length about 9 inches long, about 9 feet long, or about 9 yards long? Explain.

The length is about 9 ________ long.

________________________

_________________________

Answer: The length is about 9 inches long.

Explanation: The orange is small object so it can be measured in inches.

### Measure Objects Using Customary Length Units Homework & Practice 11.5

Find the object shown. Choose an inch ruler, a yardstick, or a measuring tape to measure the object. Then measure.

Question 1.

Tool: ______

Length: about _______

Answer:

Question 2.

Tool: _______

Length: about ____________

Answer: Object: Basket

Tool: Measuring tape

Length: about 60 centimeters

Question 3.

Find and measure an object using an inch ruler.

Object: _________

Length: about __________

Answer: Object: Pencil

Length: about 8 inches

Question 4.

Find and measure an object using a yard stick.

Object: ____________

Length: about __________

Answer:Object: Door

Length: about 3 meter

Question 5.

**YOU BE THE TEACHER**

Descartes says the best tool to measure the length around a basketball is an inch ruler. Is he correct? Explain.

________________________

________________________

Answer: No

Explanation: The length of the basketball cannot be measured with inch ruler, it can be measured with measuring tape.

Question 6.

**Modeling Real Life**

Your friend says that the length of a toothbrush is about 8. Is the toothbrush about 8 inches, about 8 feet, or about 8 yards long? Explain.

The toothbrush is about 8 _______ long.

________________________

________________________

Answer: The toothbrush is about 8 inches long

Explanation: The toothbrush is small object so it can be measured with inch ruler.

Question 7.

**DIG DEEPER!**

Order the lengths from shortest to longest.

Answer: 2 feet 1 yard 39 inches

Explanation: 1 feet=12 inches, 12+12=24 inches

1 yard=36 inches

**Review & Refresh**

Question 8.

You read for 55 minutes. Your friend reads 28 fewer minutes. How many minutes does your friend read?

_____ minutes

Answer: 27 minutes

Question 9.

You score 23 points. Your two friends score 56 and 18 points. How many points do you and your friends score in all?

______ points

Answer: 97 points

### Lesson 11.6 Estimate Lengths in Customary Units

**Explore and Grow**

Find an object that is shorter than the string. Draw the object.

Without using a ruler, tell how long you think the object is.

______ inches

Explain

____________________________

____________________________

Answer: Crayon, 4 inches

Explanation: The crayon is about 4 inches and it is shorter than 5 inches string.

**Show and Grow**

Question 1.

The pipe cleaner is about 3 inches long. What is the best estimate of the length of the craft stick?

Answer: The length of craft stick is 4 inches.

Question 2.

The dog leash is about 5 feet long. What is the best estimate of the length of the dog collar?

Answer: The length of the dog collar is about 1 foot.

**Apply and Grow: Practice**

Question 3.

The poster is about 18 inches long. What is the best estimate for the length of the bed?

Answer: The length of bed is about 75 inches.

Question 4.

The jump rope is about 6 feet long. What is the best estimate of the length of the dog?

Answer: The length of the dog is about 4 feet.

Question 5.

What is the best estimate of the length of a garage?

8 inches

8 feet

8 yards

Answer: The length of a garage is about 8 yards.

Question 6.

What is the best estimate of the height of a flag pole?

20 inches

20 feet

20 yards

Answer: The height of a flag pole is about 20 yards.

Question 7.

**Precision**

Match

Answer:

**Think and Grow: Modeling Real Life**

The sticker is about 1 inch long. Draw another sticker that is about 2 inches long.

Answer:

**Show and Grow**

Question 8.

The worm is about 4 inches long. Draw a caterpillar that is about 2 inches long.

Answer:

Question 9.

**DIG DEEPER!**

Each toy truck is about 2 inches long. Draw a building block that is about 3 inches long.

How did you use the length of the toy trucks to draw the building block?

__________________________

____________________________

Answer:

### Estimate Lengths in Customary Units Homework & Practice 11.6

Question 1.

The driveway is about 20 yards long. What is the best estimate of the length of the truck?

Answer: The length of the truck is about 15 yards.

Question 2.

What is the best estimate of the height of a basketball hoop?

Answer: The height of the basket hoop is about 3 yards.

Question 3.

What is the best estimate of the length of a hair brush?

Answer: The length of a hair brush is about 8 inches.

Question 4.

**Logic**

Descartes says the best estimate for the height of the Statue of Liberty is 5 yards. Do you agree? Explain.

_______________________

_______________________

Answer: No, The height of the Statue of Liberty is 5 yards.

Explanation: The height of the statue of liberty is very tall, it is about 100 yards.

Question 5.

**Modeling Real Life**

The bug is about 4 inches long. Draw a bug that is about 2 inches long.

Answer:

Question 6.

**DIG DEEPER!**

Each paperclip is about 2 inches long. Draw a pen that is about 5 inches long.

Answer:

**Review & Refresh**

Question 7.

12 − 4 = ______

Answer: 8

Question 8.

15 − 6 = ________

Answer: 9

### Lesson 11.7 Measure Objects Using Different Length Units

**Explore and Grow**

Measure the length of the string in inches then in centimeters.

______ inches _______ centimeters

Are there more inches or centimeters? Why?

_____________________________

______________________________

Answer:

**Show and Grow**

Find and measure the object shown in your classroom two ways.

Question 1.

about ______ centimeters

Answer: about 30 centimters

about ______ inches

about 15 inches

Did you use fewer centimeters or fewer inches to measure?

centimeters inches

Answer: inches

Question 2.

about _______ meters

about _______ feet

Did you use fewer meters or fewer feet to measure?

meters feet

Answer: about 2 meters

about 6 feet

meters.

**Apply and Grow: Practice**

Find and measure the object shown in your classroom two ways.

Question 3.

about _____ centimeters

about ______ inches

Did you use fewer centimeters or fewer inches to measure?

centimeters inches

Answer: about 2 centimeters

about 1 inch

inch

Question 4.

about _____ meters

about ______ feet

Did you use more meters or more feet to measure?

meters feet

Answer: about 3 meters

about 9 feet

feet

Question 5.

Would you use more centimeters, inches, or feet to measure the length of a calculator?

Answer: Centimeters

Question 6.

**Writing**

What do you notice about the relationship between inches and centimeters? feet and meters?

________________________

_________________________

Answer: 1 inch is equal to 0.39 centimeters

1 foot is equal to 0.30 meters

**Think and Grow: Modeling Real Life**

Do you use fewer centimeters or fewer meters to measure the length of your house? Explain.

centimeters meters

__________________________

__________________________

Answer: Meters

Explanation: 1 meter is equal to 100 centimeter, The length of the house is big So, it is easy to measure wih meter.

**Show and Grow**

Question 7.

Do you use fewer feet or fewer yards to measure the length of a football field? Explain.

feet yards

_________________________

_________________________

Answer: Yards.

1 yard=36 inches

1 feet= 12 inches

The length of the football field is big. So, it is measured with yards.

Question 8.

Do you use more meters or more feet to measure the length of your school? Explain.

meters feet

______________________

______________________

Answer: Feet

Explanation: 1 feet=12 inches

1 meter=39 inches

We use more feet to measure the length of the school.

### Measure Objects Using Different Length Units Homework & Practice 11.7

**Find and measure the object shown in two ways.**

Question 1.

about _______ centimeters

about _____ inches

Did you use more centimeters or more inches to measure the length of the umbrella?

centimeters inches

Answer: about 100 centimeters

about 40 inches

We use more centimeters to measure the length of the umbrella.

Question 2.

about _____ meters

about _____ feet

Did you use fewer meters or fewer feet to measure the height of the cabinet?

meters feet

Answer: about 3 meters

about 10 feet

meter

Question 3.

Would you use more centimeters, inches, or feet to measure the height of a lamp?

centimeters

inches

feet

Answer: centimeters

Question 4.

Would you use fewer inches, meters, or feet to measure the length of a sink?

inches

meters

feet

Answer: Feet

Question 5.

**Reasoning**

Order the lengths from shortest to longest.

_______, ________, _________

Answer: 12 centimeter, 12 inches, 12 feet

Question 6.

________, ________, ________

Answer: 2 centimeter, 2 feet, 2 meters

Question 7.

**Precision**

What is the best estimate of the height of a maraca?

9 inches

10 centimeters

3 centimeters

Answer: 10 centimeters

Question 8.

**Modeling Real Life**

Do you use fewer feet or fewer yards to measure the length of a hallway? Explain.

______________________

______________________

Answer:

**Review & Refresh**

**Circle the values of the underlined digit.**

Question 9.

634

4

4 ones

4 hundreds

Answer: 4 ones

Question 10.

918

900

9 hundreds

100

Answer: 9 hundreds

Question 11.

257

0

5 tens

50

Answer: 5 tens

### Lesson 11.8 Measure and Compare Lengths

**Explore and Grow**

Measure the fish. Circle the longer fish.

Answer:

**Show and Grow**

Question 1.

How many centimeters longer is the marker than the paper clip?

Answer: 10-4=6 centimeters.

**Apply and Grow: Practice**

Question 2.

How many centimeters shorter is the binder clip than the stick of gum?

Answer: 4-1=3 inches

Question 3.

A finger is 4 centimeters longer than the finger nail. How long is the finger?

_______ centimeters

Answer: 1 centimeters

Question 4.

**Writing**

Explain how you found the length of the finger in Exercise 3.

______________________

______________________

Answer:

**Think and Grow: Modeling Real Life**

Whose path to school is longer? How much longer is it?

Addition equations:

Whose path is longer: Your path Friend’s path

Subtraction equation:

______ yards

Answer: Addition equations: your path 12+16=28 yards, your friend’s path 56+4=60 yards.

Whose path is longer: Your path Friend’s path

Subtraction equation: 60-28=32 yards

**Show and Grow**

Question 5.

Whose path to the pond is shorter? How much shorter is it?

Your path Friend’s path

______ meters

Answer: your path: 6+28=34 meters, your friend’s path: 7+15=22 meters

Your friend’s path to the pond is shorter.

It is shorter than 12 meters.

### Measure and Compare Lengths Homework & Practice 11.8

Question 1.

How many inches longer is the branch than the worm?

Answer: 15 inches Branch

5 inches worm

15-5=10 inches

Question 2.

**DIG DEEPER!**

The length of a piece of string is 8 inches long. You cut off 5 inches. Draw the length of the string that is left.

Answer: _____________________________________________________________________________ – 8 inches

___________________________________________________ – 5 inches

8-5 inches=3 inches.

Question 3.

**Modeling Real Life**

Whose path to the playground is longer? How much longer is it?

Your path Friend’s path

_____ yards

Answer: Your path: 12+53=65 yards, Your friend’s path: 61+7=68 yards.

Your friend’s path is longer.

68-65=3 yards, It is longer by 3 yards.

**Review & Refresh**

Question 4.

Count by ones.

_____, _____, 71, _____, 73, _____, _____, 76

Answer: 69, 70, **71**, 72, **73**, 74, 75, **76**

Explanation: There is difference of one number arranged in ascending order.

Question 5.

Count by fives.

85, 90, ____, _____, ______, _____, ______, ______

Answer: **85, 90, **95, 100, 105, 110, 115, 120.

Explanation: There is difference of five numbers arranged in ascending order.

Question 6.

Count by tens.

_____, 43, 53, _____, _____, ______, 93, ______

Answer: 33, **43, 53, **63, 73, 83, **93, **103.

Explanation: There is difference of ten numbers arranged in ascending order.

Measure And Estimate Lengths Performance Task

You are planting a rooftop garden. You want to build a fence around the garden. You have a piece of wood that is 16 feet long.

Question 1.

a. Which designs can you make?

b. You choose the rectangular design. Use repeated addition to find the length of each side in inches.

5 ft = _____ + ____ + ____ + _____ + _____ = in.

2 ft = ______ + ______ = in.

Answer: 5 ft =12 + 12 + 12 + 12 + 12= in

2 ft= 12 + 12 = in

Question 2.

Each seed you plant must be 6 inches apart and 6 inches away from the sides. Draw to find the number of seeds you can plant in your garden.

_____ seeds

Answer:

### Measure And Estimate Lengths Activity

**Spin and Cover**

To Play: Players take turns. On your turn, spin one spinner. Then cover the item you would measure using that unit. Continue playing until all objects are covered.

### Measure And Estimate Lengths Chapter Practice

**11.1 Measure Lengths in Centimeters**

Measure.

Question 1.

about ______ centimeters

Answer: about 2 centimeters

Question 2.

about ______ centimeters

Answer: about 4 centimeters

**11.2 Measure Objects Using Metric Lengths**

**Find and measure the object**

Question 3.

about ______ meters

Answer: 1.5 meters

Question 4.

about _______ centimeters

Answer: about 15 centimeters

**11.3 Estimate Lengths in Metric Units**

Question 5.

The book is about 20 centimeters long. What is the best estimate of the length of the bookmark?

Answer: 10 centimeters

Question 6.

What is the best estimate of the length of a paintbrush?

Answer: 22 centimeters

**11.4 Measure Lengths in Inches**

Measure.

Question 7.

about ______ inches

Answer: about 30 inches

Question 8.

about ______ inches

Answer: about 4 inches

**11.5 Measure Objects Using Customary Length Units**

**Find the object shown. Choose an inch ruler, a yardstick, or a measuring tape to measure the object. Then measure.**

Question 9.

Tool: ______

Length: about _______

Answer: Object: Pencil stand

Tool: Measuring tape

Length: about 15 centimeters

Question 10.

Tool: _____

Length: about _______

Answer: Object: Calender

Tool: inch ruler

Length: about 10 inch

**11.6 Estimate Lengths in Customary Units**

Question 11.

The couch is about 8 feet long. What is best estimate of the length of the end table?

Answer: The length of the end table is 2 feet.

Question 12.

What is the best estimate of the length of a pond?

Answer: The length of a pond is 30 feet.

**11.7 Measure Objects Using Different Length Units**

Question 13.

Would you use more centimeters, meters, or inches to measure the length of a pencil?

centimeters

meters

inches

Answer: centimeters

Question 14.

Would you use fewer centimeters, meters, or feet to measure the length of the teacher’s desk?

centimeters

meters

feet

Answer: meters

Question 15.

**YOU BE THE TEACHER**

Newton says he uses more feet than meters to measure the length of a bicycle. Is he correct? Explain.

______________________

________________________

Answer: Yes Newton uses more feet than meters to measure the length of a bicycle.

Explanation:

**11.8 Measure and Compare Lengths**

Question 16.

A guinea pig cage is 51 centimeters longer than the guinea pig. How long is the cage?

_______ centimeters

Answer: