Practice the problems of Math in Focus Grade 3 Workbook Answer Key Chapter 13 Practice 3 Line Plots to score better marks in the exam.

## Math in Focus Grade 3 Chapter 13 Practice 3 Answer Key Line Plots

Amanda surveyed a group of children in a Nature Club to find out their ages. The table below shows the results of her survey.

Ages of Children in Years

Amanda made a line plot to show the results of her survey.

**Answer each question. Use the data in the line plot.**

Question 1.

What does each ✗ on the line plot stand for? __________

Answer:

Each ✗ on the line plot stand for **number of children**.

Question 2.

What do the numbers on the number line stand for? __________

Answer:

The numbers on the number line stand for **Ages of children in years**.

Question 3.

What is the age of the greatest number of children?

___________ years old

Answer:

**9 years old** is the age of the greatest number of children.

Question 4.

How many children are aged 6?

__________ children

Answer:

**Zero** children are aged 6.

Question 5.

What is the age of the oldest child surveyed?

_________ years

Answer:

**10 years** is the age of the oldest child surveyed.

Question 6.

How many children were surveyed in all?

___________ children

Answer:

**15 children** were surveyed in all.

Third graders carried out a survey. They wanted to find the number of children in each of their families. They displayed their results in this line plot.

**Answer each question. Use the data in the line plot.**

Question 7.

What does each ✗ on the line plot stand for? __________

Answer:

Each ✗ on the line plot stand for **families**.

Question 8.

What do the numbers on the number line stand for? __________

Answer:

The numbers on the number line stand for **number of children in each family**.

Question 9.

How many families have 2 children?

__________ families

Answer:

**2** families have 2 children.

Question 10.

How many families have fewer than 4 children?

___________ families

Answer:

**9** families have fewer than 4 children.

Question 11.

What is the greatest number of children in the families surveyed?

____________ children

Answer:

**5 children** is the greatest number of children in the families surveyed.

Question 12.

How many families took part in the survey?

________ families

Answer:

**12** families took part in the survey.

Question 13.

Did all the families surveyed have children? Answer yes or no. ___________

Answer:

**Yes**, all the families surveyed have children.

A survey was carried out to find the number of rides a group of children took at Happy Theme Park. The tally chart shows the results of the survey.

**Complete the tally chart.**

Question 14.

Answer:

**Complete the line plot. Use the data in the tally chart.**

Question 15.

Answer:

**Answer each question. Use the data in the line plot.**

Question 16.

What does each ✗ on the line plot stand for? _____________

Answer:

Each ✗ on the line plot stand for **number of children**.

Question 17.

What does each number on the number line stand for?__________

Answer:

Each number on the number line stand for **number of rides**.

Question 18.

How many children take 5 rides?

__________ children

Answer:

**3** children took 5 rides.

Question 19.

How many children take 4 or more rides?

__________ children

Answer:

5 children take 4 rides.

3 children take 5 rides.

**5 + 3 = 8**

**8** children took 4 or more rides.

Question 20.

Which number of rides are taken by the same number of children?

Answer:

3 children take 3 rides.

3 children take 5 rides.

**3 rides and 5 rides** are taken by the same number of children.

A baseball team counted the number of home runs each player hit. The results are shown in this table.

**Complete the table.**

Question 21.

Number of Home Runs

Answer:

**Fill in the blanks. Use the data in the table.**

Question 22.

The greatest number of home runs hit by any player was ___________.

Answer:

The greatest number of home runs hit by any player was **4**.

Question 23.

The least number of home runs hit by any player was ____________.

Answer:

The least number of home runs hit by any player was **0**.

**Complete the line plot. Use the data in the table.**

Question 24.

Answer:

**Answer each question. Use the data in the line plot.**

Question 25.

What does each ✗ on the line plot stand for? ____________

Answer:

Each ✗ on the line plot stand for **number of players**.

Question 26.

How many players had 2 home runs?

__________ player

Answer:

**1 player** had 2 home runs.

Question 27.

How many players had more than 1 home run?

__________ players

Answer:

**6 players** had more than 1 home run.

Question 28.

What is the greatest number of home runs scored by a single player?

__________ home runs

Answer:

**2 home runs** scored by a single player.

Question 29.

How many players were surveyed in total?

___________ players

Answer:

**9 players** were surveyed in total.

Tom carried out a survey to find how many raisins there are in boxes of different brands. He made a line plot to show the results of his survey.

**Answer each question. Use the data in the line plot.**

Question 30.

What is the least number of raisins in a box?

___________ raisins

Answer:

**25 raisins **is the least number of raisins in a box.

Question 31.

What is the greatest number of raisins in a box?

__________ raisins

Answer:

**31 raisins **is the greatest number of raisins in a box.

Question 32.

Which number of raisins occurs most often?

_____________ raisins

Answer:

**28 raisins** occurs most often.

Question 33.

How many boxes contain 28 or more raisins?

_____________ boxes

Answer:

**9 boxes** contains 28 or more raisins.

Question 34.

How many boxes contain fewer than 27 raisins?

_____________ boxes

Answer:

**3 boxes** contains fewer than 27 raisins.

Question 35.

How many boxes were used in the survey in all?

___________ boxes

Answer:

**14 boxes** were used in the survey in all.