All the solutions provided in McGraw Hill My Math Grade 2 Answer Key PDF Chapter 9 Lesson 8 Analyze Line Plots will give you a clear idea of the concepts.
McGraw-Hill My Math Grade 2 Answer Key Chapter 9 Lesson 8 Analyze Line Plots
Explore and Explain
How many times a week do most people eat dessert? ______________________
Teacher Directions: Ask 10 people how many times they eat dessert each week. Use the data to make a line plot. Answer the question.
Answer: For a week, 4 people said 6 times, 5 people said 3 times and one said 8 times
Most people eat 5 times a week
Explanation:
Given, Ask 10 people how many times they eat dessert each week.
So, For a week, 4 people said 6 times, 5 people said 3 times and one said 8 times
Most people eat 5 times a week
See and Show
You can use data from a line plot to answer questions.
This line plot shows the number of students in each class at a school.
How many students are in most of the classes? 
Use the data from the line plot to answer the questions.
Question 1.
How many students have 2 hats?
Answer: 4 students have 2 hats
Explanation:
from the line plot given,
1 student have 3 hats,
2 students have 6 hats,
3 students have 4 hats,
4 students have 2 hats,
5 students have 1 hat
So, 4 students have 2 hats.
Question 2.
How many students have just 1 hat?
Answer: 2 students have 1 hat
Explanation:
from the line plot given,
1 student have 3 hats,
2 students have 6 hats,
3 students have 4 hats,
4 students have 2 hats,
5 students have 1 hat
So,2 students have 1 hat.
Question 3.
How many students have 3 hats?
Answer: 1 students have 3 hats
Explanation:
from the line plot given,
1 student have 3 hats,
2 students have 6 hats,
3 students have 4 hats,
4 students have 2 hats,
5 students have 1 hat
So, 1 students have 3 hats.
Question 4.
How many students have more than 2 hats?
Answer: 11 students have more than 2 hats
Explanation:
from the line plot given,
1 student have 3 hats,
2 students have 6 hats,
3 students have 4 hats,
4 students have 2 hats,
5 students have 1 hat
So, 11 students have more than 2 hats
Talk Math How are line plots the same or different than bar graphs or picture graphs?
Answer: Bar graphs display data in a way that is similar to line graphs.
Line graphs are useful for displaying smaller changes in a trend over time. Bar graphs are better for comparing larger changes or differences in data among groups.
A picture graph, or pictograph, is a graph used to display information that uses images or symbols to represent data.
On My Own
Use the data from the line plot to answer the questions.
Question 5.
Which number has the most Xs?
Answer: number 4 has the most Xs
Explanation:
From the given line plot
0 has 1 Xs
1 has 4 Xs
2 has 3 Xs
3 has 5 Xs
4 has 6 Xs
5 has 5 Xs
So, number 4 has the most Xs
Question 6.
How many students like 4 vegetables?
Answer: 6 students like 4 vegetables
Explanation:
From the given line plot
0 has 1 Xs
1 has 4 Xs
2 has 3 Xs
3 has 5 Xs
4 has 6 Xs
5 has 5 Xs
So, 6 students like 4 vegetables
Question 7.
Which number has the fewest Xs?
Answer: number 0 has fewest Xs
Explanation:
From the given line plot
0 has 1 Xs
1 has 4 Xs
2 has 3 Xs
3 has 5 Xs
4 has 6 Xs
5 has 5 Xs
So, number 0 has fewest Xs
Question 8.
How many students like 2 vegetables?
Answer: 3 students like 2 vegetables
Explanation:
From the given line plot
0 has 1 Xs
1 has 4 Xs
2 has 3 Xs
3 has 5 Xs
4 has 6 Xs
5 has 5 Xs
So, 3 students like 2 vegetables
Question 9.
How many students were surveyed in all?
Answer: 24 students were surveyed in all
Explanation:
From the given line plot
0 has 1 Xs
1 has 4 Xs
2 has 3 Xs
3 has 5 Xs
4 has 6 Xs
5 has 5 Xs
So, 24 students were surveyed in all.
Question 10.
How many students like more than 1 vegetable?
______________ students
Answer: Except 0 number all of them like more than 1 vegetable
Explanation:
From the given line plot
0 has 1 Xs
1 has 4 Xs
2 has 3 Xs
3 has 5 Xs
4 has 6 Xs
5 has 5 Xs
So, Except 0 number all of them like more than 1 vegetable
Question 11.
How many students do not like vegetables?
______________ student
Answer: all of them like vegetables
Explanation:
From the given line plot
0 has 1 Xs
1 has 4 Xs
2 has 3 Xs
3 has 5 Xs
4 has 6 Xs
5 has 5 Xs
So, all of them like vegetables
Problem Solving
Question 12.
Finish the line plot for Ashley. She needs to show that three friends each have 2 toy bears.
Answer: three friends each have 2 toy bears
Explanation:
Given,
She needs to show that three friends each have 2 toy bears.
So, She needs to show that three friends each have 2 toy bears.
Question 13.
23 students created this line plot to show how many fruits each student likes. How many students do not like fruit at all?
______________ students
Answer: 2 students did not like the fruit
Explanation:
From the given line plot,
2 students did not like the fruit at all
3 students like 1 fruit
6 students like 4 fruits
4 students like 5 fruits
4 students like 6 fruits
4 students like 10 fruits
So, 2 students did not like the fruit at all.
Write Math Colton looks at the line plot above and says 1 student likes three fruits. Tell why he is wrong. Make it right.
Answer: He is wrong ,Because he thought that the numbers in the plot are students and the Xs as fruits
Explanation:
From the given line plot,
2 students did not like the fruit at all
3 students like 1 fruit
6 students like 4 fruits
4 students like 5 fruits
4 students like 6 fruits
4 students like 10 fruits
So, He is wrong ,Because he thought that the numbers in the plot are students and the Xs as fruits
McGraw Hill My Math Grade 2 Chapter 9 Lesson 8 My Homework Answer Key
Practice
Use the data from the line plot to answer the questions.
Question 1.
How many people get $5?
Answer: 3 people got $5.
Explanation:
From the line plot given,
3 people got $5
2 people got $6
4 people got $7
1 person got $8
So, 3 people got $5.
Question 2.
How much allowance do most people get?
Answer: 4 people got $7 as allowance
Explanation:
From the line plot given,
3 people got $5
2 people got $6
4 people got $7
1 person got $8
So, 4 people got $7 as allowance
Question 3.
How many people get more than $6?
Answer: 5 people get more than $6
Explanation:
From the line plot given,
3 people got $5
2 people got $6
4 people got $7
1 person got $8
So, 5 people get more than $6.
Question 4.
How many people found pennies?
Answer: 15 people found pennies
Explanation:
From the given line plot,
6 people found 2 pennies
3 people found 4 pennies
4 people got 7 pennies
2 people got 8 pennies
So, 15 people found pennies
Question 5.
How many people found more than 5 pennies?
Answer: 6 people found more than 5 pennies
Explanation:
From the given line plot,
6 people found 2 pennies
3 people found 4 pennies
4 people got 7 pennies
2 people got 8 pennies
So, 6 people found more than 5 pennies
Question 6.
How many people found less than 5 pennies?
Answer: 9 people found less than 5 pennies
Explanation:
From the given line plot,
6 people found 2 pennies
3 people found 4 pennies
4 people got 7 pennies
2 people got 8 pennies
So, 9 people found less than 5 pennies.
Test Practice
Question 7.
How many people have 5 dogs?
(A) 3
(B) 2
(C) 1
(D) 0
Answer: D
Explanation:
From the line plot given,
2 people have 0 dogs
3 people have 1 dog
1 person have 3 dogs
1 person have 4 dogs
So, no one has 5 dogs.
Math at Home Make a line plot about the number of healthy food choices your child makes each day. Ask your child questions about the line plot at the end of a week.
Answer: The healthy food choices of a child in a whole week is given below
Explanation:
Given, a line plot about the number of healthy food choices your child makes each day.
For 2 days he chose a 5 healthy foods
for 3 days he chose 8 healthy foods
for 1 day he chose 10 healthy foods
And the remaining day he chose nothing of any healthy food choices.