## Engage NY Eureka Math 2nd Grade Module 2 Lesson 9 Answer Key

### Eureka Math Grade 2 Module 2 Lesson 9 Problem Set Answer Key

Question 1.

Complete the chart by first estimating the measurement

around a classmate’s body part and then finding the actual

measurement with a meter strip.

Explanation:

Completed the chart by first estimating the measurement

around a classmate’s body part and then finding the actual

measurement with a meter strip as shown above.

a. Which was longer, your estimate or the actual measurement

around your classmate’s head? _Actual measurement___

Answer:

The actual measurement around my classmate’s head

is longer than my estimate,

Explanation:

As seen the chart the actual measurement around my

classmate’s head is longer than my estimate because

actual measurement around my classmate’s head is

54 cm and my estimate is 45 cm only,

So by 9 cm the actual measurement around my

classmate’s head is longer than my estimate.

b. Draw a tape diagram to compare the lengths of two different body parts.

Answer:

Explanation:

Drawn a tape diagram to compare the lengths of two

different body parts of Kelly’s neck of 30 cm and

Jane’s wrist of 16 cm and Kelly’s neck is 30 – 16 = 14 cm

more than Jane’s wrist as shown above.

Question 2.

Use a string to measure all three paths.

Path 1 is 15 cm,

Path 2 is 14 cm,

Path 3 is 13 cm,

Explanation:

Upon Using a string to measure all three paths

Path 1 is 15 cm, Path 2 is 14 cm and Path 3 is 13 cm respectively.

a. Which path is the longest? __Path 1_____

Answer:

Path 1 is the longest,

Explanation:

As Path 1 is 15 cm, Path 2 is 14 cm and

Path 3 is 13 cm respectively, So Path 1 is the longest.

b. Which path in the shortest? _Path 3_____

Answer:

Path 3 is the shortest,

Explanation:

As Path 1 is 15 cm, Path 2 is 14 cm and

Path 3 is 13 cm respectively, So Path 3 is the shortest.

c. Draw a tape diagram to compare two of the lengths.

Answer:

Explanation:

Drawn a tape diagram to compare two of the lengths

as Path 2 is 1 cm more than Path 3 as shown above.

Question 3.

Estimate the length of the path below in centimeters.

a. The path is about __18___ cm long.

Use your piece of string to measure the length of the path.

Then, measure the string with your meter strip.

Answer:

The path is about 18 cm long,

Explanation:

Estimated the length of the path as 18 centimeters long.

b. The actual length of the path is __22___ cm.

Answer:

The actual length of the path is 22 cm,

Explanation:

Used my piece of string to measure the length of the path.

Then, measured the string with my meter strip, So the

actual length of the path is 22 cm.

c. Draw a tape diagram to compare your estimate and

the actual length of the path.

Answer:

Explanation:

Drawn a tape diagram to compare my estimate and

the actual length of the path as actual length of the

path is 22 – 18 = 4 cm longer than my estimate.

### Eureka Math Grade 2 Module 2 Lesson 9 Exit Ticket Answer Key

Question 1.

Use your string to measure the two paths. Write the length in centimeters.

Path M is __10___ cm long.

Path N is __6___ cm long.

Answer:

Path M is 10 cm long,

Path N is 6 cm long,

Explanation:

Using my string to measure the two paths,

The length in centimeters is Path M is 10 cm long

and Path N is 6 cm long.

Question 2.

Mandy measured the paths and said both paths are the same length.

Is Mandy correct? Yes or No? ___No____

Explain why or why not.

_____________________________________________________________

_____________________________________________________________

Answer:

No, Mandy is incorrect,

Explanation:

Actually Path M is 10 cm long and Path N is 6 cm long,

but Mandy measured the paths and said both paths are

the same length, So Mandy is incorrect because both

path’s are not the same therefore Mandy is incorrect.

Question 3.

Draw a tape diagram to compare the two lengths.

Answer:

Explanation:

Drawn a tape diagram to compare the two lengths as

Path M is 10 cm long, Path N is 6 cm long and

Path M is 10 – 6 = 4 cm more than Path N.

### Eureka Math Grade 2 Module 2 Lesson 9 Homework Answer Key

Question 1.

Mia completed the chart by first estimating the measurement

around three objects in her house and then finding the

actual measurement with her meter strip.

a. What is the difference between the longest and

shortest measurements?

____32_____ cm

Answer:

The difference between the longest and

shortest measurements is 41 – 8 = 32 cm.

b. Draw a tape diagram comparing the measurements of the

orange and the bottom of the glue bottle.

Answer:

Explanation:

Drawn a tape diagram comparing the measurements of the

orange and the bottom of the glue bottle as orange is

36 – 8 = 28 cm more than bottle of a glue bottle.

c. Draw a tape diagram comparing the measurements of the

basketball and the bottom of the glue bottle.

Answer:

Explanation:

Drawn a tape diagram comparing the measurements of the

basketball and the bottom of the glue bottle as basketball is

41 – 8 = 33 cm more than bottom of a glue bottle.

Question 2.

Measure the two paths below with your meter strip and string.

a. Path A is ___6___ cm long.

Answer:

Path A is 6 cm long,

Explanation:

Measured the path, Path A is 6 cm long.

b. Path B is ____7_____ cm long.

Answer:

Path B is 7 cm long,

Explanation:

Measured the path, Path B is 7 cm long.

c. Together, Paths A and B measure ___13___ cm.

Answer:

Together, Paths A and B measure 13 cm,

Explanation:

As measured Path A is 6 cm and Path B is 7 cm,

So together Path A and Path B measure 6 + 7 = 13 cm.

d. Path A is ____1___ cm (shorter/longer) than Path B.

Answer:

Path A is 1 cm shorter than Path B,

Explanation:

As Path A is 6 cm and Path B is 7 cm,

So Path A is 7 – 6 = 1 cm shorter than Path B.

Question 3.

Shawn and Steven had a contest to see who could jump farther.

Shawn jumped 75 centimeters. Steven jumped 9 more

centimeters than Shawn.

a. How far did Steven jump?”

____84_____ centimeters

Answer:

Steven jump 84 centimeters,

Explanation:

Given Shawn and Steven had a contest to see who

could jump farther.

Shawn jumped 75 centimeters. Steven jumped 9 more

centimeters than Shawn means Steven jumped

75 + 9 = 84 centimeters.

b. Who won the jumping contest?

___Steven_____

Answer:

Steven won the jumping contest,

Explanation:

As Shawn jumped 75 centimeters and

Steven jumped 84 centimeters so on comparing

Steven jumped more by 84 – 75 = 9 centimeters,

therefore Steven won the jumping contest.

c. Draw a tape diagram to compare the lengths that

Shawn and Steven jump.

Answer:

Explanation:

Drawn a tape diagram to compare the lengths that

Shawn and Steven jump, Steven jump more by

84 – 75 = 9 centimeters as shown above.