All the solutions provided in **McGraw Hill My Math Grade 2 Answer Key PDF Chapter 11 Lesson 12 Measurement Data **will give you a clear idea of the concepts.

## McGraw-Hill My Math Grade 2 Answer Key Chapter 11 Lesson 12 Measurement Data

**Explore and Explain**

**Teacher Directions:** Measure five of your classmates’ pencils with a ruler. Make a line plot using the data from your measurements.

Answer:

**See and Show**

Helpful Hint

Remember a line plot tells how many times a number occurs in data.

How many people have shoes that are 23 centimeters long?

**Measure the length of the right hand of 10 people in inches. Use the data to make a line plot.**

Answer:

Question 1.

How long are most of the hands?

_____________ inches

Answer:

4 inches long

Explanation:

Most of the hands are 4 inches long

Question 2.

How long is the longest hand?

_____________ inches

Answer:

6 inches

Explanation:

The longest hand is 6 inches long

**Talk Math** How does a line plot help to show measurement data?

Answer:

Line plot can be defined as a graph that displays data as points or check marks above a number line, showing the frequency of each value.

**On My Own**

**Measure 15 books from your classroom library in centimeters. Use the data to make a line plot.**

Answer:

Question 3.

How long are most books?

_______________ centimeters

Answer:

17 centimeters long

Explanation:

The most books are 17 centimeters long

Question 4.

How long is the longest book?

_______________ centimeters

Answer:

21 centimeters

Explanation:

The longest book is 21 centimeters long

**Measure 15 used crayons in inches. Use the data to make a line plot.**

Answer:

Question 5.

How short is the shortest crayon?

______________ inches

Answer:

1 inch

Explanation:

The shortest crayon is 1 inch long.

Question 6.

How long is the longest crayon?

_______________ inches

Answer:

5 inches

Explanation:

The longest crayon is 5 inches long

**Problem Solving**

Question 7.

A line plot shows that 12 people are 48 inches tall, 8 people are 50 inches tall, and 9 people are 47 inches tall. How tall are most of the people?

______________ inches

Answer:

Most of the people are 50 inch tall.

Explanation:

A line plot shows that 12 people are 48 inches tall,

8 people are 50 inches tall,

and 9 people are 47 inches tall.

50 inches tall are most of the people

Question 8.

Four snakes are 20 inches, 2 snakes are 32 inches, and 4 snakes are 15 inches. What is the difference in length between the longest and the shortest snake?

______________ inches

Answer:

17 inches.

Explanation:

Four snakes are 20 inches,

2 snakes are 32 inches,

and 4 snakes are 15 inches.

32 – 15 = 17

17 inches is the difference in length between the longest and the shortest snake.

Question 9.

Four people went down the slide 8 times. Eight people went down the slide 6 times. Two people went down the slide 12 times. How many times did most people go down the slide?

_____________ times

Answer:

6 times

Explanation:

Four people went down the slide 8 times.

Eight people went down the slide 6 times.

Two people went down the slide 12 times.

most of the people go 6 times

**HOT Problem** Jordan mode a line plot of the heights of his 5 pets. The same number of pets are 14 inches and 18 inches tall. One pet is 6 inches tall. How many pets are 14 inches tall?

Answer:

2 pets are 14 inches tall

2 + 2 + 1 = 5

2 pets 14 inches

2 pets 18 inches and

1 pet is 6 inches tall.

### McGraw Hill My Math Grade 2 Chapter 11 Lesson 12 My Homework Answer Key

**Practice**

**Measure the thumb length of each of your family members. Use the data to make a line plot.**

Helpful Hint

Line plots show how often a number occurs in data.

Question 1.

How long is the longest thumb?

_____________ inches

Answer:

3 inches

Explanation:

The longest thumb is 3 inches long

Question 2.

How short is the shortest thumb?

____________ inches

Answer:

2 inches

Explanation:

The shortest thumb is 2 inches long

Question 3.

Make a line plot to show how tall each flower is. Four flowers are 10 centimeters, 3 flowers are 13 centimeters, and 6 flowers are 17 centimeters.

Answer:

Question 4.

Grace ran 50 meters 3 times, she ran 100 meters 2 times, and she ran 150 meters 1 time. How far did she run most of the time?

_____________ meters

Answer:

50 meters

Explanation:

Grace ran 50 meters 3 times,

she ran 100 meters 2 times,

and she ran 150 meters 1 time.

so, she ran most 50 times

**Test Practice**

Question 5.

Use the line plot below to answer the question. How long are most toes?

(A) 1 centimeter

(B) 1 inch

(C) 2 centimeters

(D) 2 inches

Answer:

B

Explanation:

The most of the toes are 1 inch long

**Math at Home** Have your child create a line plot a show the heights of everyone in your family.

Answer: