﻿ Reading Line Graphs and Making Line Graphs Worksheet | Problems & Solutions

# Reading Line Graphs and Making Line Graphs Worksheet

Reading Line Graphs and Making Line Graphs Worksheet
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1.
The line graph shows the temperature variations in Ohio state. What was the temperature recorded on Thursday?

 a. 25°F b. 75°F c. 35°F d. 55°F

#### Solution:

From the line graph, we observe that the temperature recorded on Thursday was 55°F.

Correct answer : (4)
2.
The graph shows the variation in Daniel's height at different ages. How much increase is noticed in his height at the age of 16 compared to that at the age of 12?

 a. 2 feet b. 1 feet c. 6 feet d. 5 feet

#### Solution:

Daniel's height at the age of 16 = 6 feet.

Daniel's height at the age of 12 = 5 feet.

Increase in height = 6 feet - 5 feet = 1 feet.

The increase in Daniel's height between the age of 12 and 16 = 1 feet.

Correct answer : (2)
3.
The graph shows the variation of John's weight at different ages. How much increase in the weight is noticed at the age of 5 compared to at the age of 3?

 a. 20 lb b. 30 lb c. 25 lb d. 15 lb

#### Solution:

John's weight at the age of 3 = 30 lb.

John's weight at the age of 5 = 45 lb.

Increase in the weight = 45 lb - 30 lb = 15 lb.

The increase in John's weight between the age of 3 and 5 = 15 lb.

Correct answer : (4)
4.
The line graph shows the population growth of a city from 2001 to 2005. Find the change in the population growth between the years 2004 and 2005.

 a. 50 thousand b. 40 thousand c. 15 thousand d. 10 thousand

#### Solution:

The population growth in the year 2004 is 40 thousand.

The population growth in the year 2005 is 50 thousand.

Change in the population growth = 50 thousand - 40 thousand = 10 thousand.

The change in the population growth between the years 2004 and 2005 is 10 thousand.

Correct answer : (4)
5.
The line graph shows the variation in the growth of grass in 6 days. How much increase in height of grass was noticed on the 5th day compared to the 4th day?

 a. 2.5 cm b. 0.5 cm c. 1 cm d. 3 cm

#### Solution:

Height of grass on 4th day = 2 cm.

Height of grass on 5th day = 2.5 cm.

Increase in height = 2.5 cm -2 inches = 0.5 cm.

The increase in height of grass between 4th and 5th day = 0.5 cm.

Correct answer : (2)
6.
The line graph shows the growth of a plant in six weeks. Find the change in the height of the plant between the 3rd week and the 5th week.

 a. 6 inches b. 4 inches c. 3 inches d. 5 inches

#### Solution:

The height of the plant in 3rd week = 12 inches.

The height of the plant in 5th week = 15 inches.

Change in height = 15 inches - 12 inches = 3 inches.

The change in the height of plant between 3rd week and 5th week is 3 inches.

Correct answer : (3)
7.
The graph shows the number of tourists visiting a state during the past 6 months. Find the range of the data.

 a. 6500 b. 4000 c. 2500 d. 3000

#### Solution:

The height of each point in the line graph represents the number of tourists visiting a state in that particular month.

Range of the data is the difference between the highest value and the lowest value.
[Definition.]

From the line graph, the highest number of tourists visited is 6500 in the month of May.

From the line graph, the lowest number of tourists visited is 2500 in the month of August.

The range value of the number of tourists visting a state is 6500 - 2500 = 4000

Correct answer : (2)
8.
The graph represents the decline in the number of deer in a sanctuary during the years 1998 to 2002. Find the range of the data.

 a. 15 b. 10 c. 5 d. 25

#### Solution:

The height of each point in the line graph represents the decline in the number of deer in that particular year.

Range of the data is the difference between the highest value and the lowest value.
[Definition.]

From the line graph, the highest decline in the number of deer is 20 in the year 2001.

From the line graph, the lowest decline in the number of deer is 5 in the year 1998.

The range value of the decline in deer population is 20 - 5 = 15

Correct answer : (1)
9.

The line graph represents the sale of computers for the state of Arizona during 1996 and 2001. Find the range of the data.

 a. 35 millions b. 30 millions c. 20 millions d. 25 millions

#### Solution:

The height of each point in the line graph represents the sale of computers in that particular year.

Range of the data is the difference between the highest value and the lowest value.
[Definition.]

From the line graph, the highest sale of computers is 50 millions in the year 1998.

From the line graph, the lowest sale of computers is 25 millions in the year 1999.

The range value of the sale of computers is 50 millions - 25 millions = 25 millions

Correct answer : (4)
10.
The line graph shows the number of students admitted in a school from 1995 to 2000. Find the range of the data.

 a. 100 b. 30 c. 65 d. 35

#### Solution:

The height of each point in the line graph represents the number of students admitted in a school in that particular year.

Range of the data is the difference between the highest value and the lowest value.
[Definition.]

From the line graph, the highest number of students admitted is 100 in the year 2001.

From the line graph, the lowest number of students admitted is 65 in the year 1997.

The range value of the number of students admitted is 100 - 65 = 35

Correct answer : (4)

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