Math in Focus Grade 2 Chapter 17 Answer Key Graphs and Line Plots

This handy Math in Focus Grade 2 Workbook Answer Key Chapter 17 Graphs and Line Plots detailed solutions for the textbook questions.

Math in Focus Grade 2 Chapter 17 Answer Key Graphs and Line Plots

Challenging Practice

Tricia read a story book. She recorded the number of pages she read every day for 3 days. She drew a for every 2 pages she read.

The number of pages Tricia read follows a pattern. If this pattern continues, how many pages will Tricia read on the 4th day?
Tricia will read ____________ pages on the 4th day.

Explanation:
She recorded the number of pages she read every day for 3 days
She drew a for every 2 pages she read
The number of pages Tricia read follows a pattern
If this pattern continues Tricia will read 8 + 2 = 10 pages on the 4th day
I drew 5 to represent 10 pages as each stands for 2 pages.

Problem Solving

The graph shows the number of points 5 children scored on a science test. The total score for the test is 40. Complete the graph using the information given.

Ariel scored all the points she could. Tyrone scored 8 points less than Ariel. Nicole and Vera had the same number of points.
Points Scored on a Science Test

Explanation:
I completed the picture graphs using the given information
The graph shows the number of points 5 children scored on a science test. The total score for the test is 40
Ariel scored all the points she could
Ariel scored 40 points
Each stands for 4 points
40 ÷ 4 = 10
So, i drew 10for Ariel
Tyrone scored 8 points less than Ariel
That is 2 less than Ariel
So, Tyrone has 8
Nicole and Vera had the same number of points
Vera have 9that is 36 points
So, Nicole will also have 9 that is 36 points.

Chapter Review/Test

Vocabulary

Fill in the blanks with words from the box.

key
picture graph
tally chart

Question 1.
The ___________ shows what a picture or symbol stands for.

The key shows what a picture or symbol stands for.

Question 2.
A ___________ shows data using pictures or symbols.
A picture graph shows data using pictures or symbols.

Question 3.
You record the number of things in a _____________.
You record the number of things in a tally chart.

Concepts and Skills

Question 4.
Tammy went to a bird park. Help her make a tally chart of the birds she saw on page 202.

Tally Chart

Explanation:
Tammy went to a bird park
I counted the number of birds of each type and drew tally marks for the numbers.

Question 5.
Then complete the picture graph of the data in exercise 4. Give it a title.
Title: ______________

Explanation:
I drew a picture graph using the key
I used the key, each picture key stands for 3 birds
So, i drew the pictures to represent the number of birds of each type
There are 15 Jays, 24 Swallows, 12 Robins, 12 Flamingos and 9 peacocks.

The graph shows how much money each child has saved in a month.
Money Saved in One Month

Use the graph to find the missing numbers.

Question 6.
How much has Keith saved?
There are _________ for Keith.
________ × $_________ =$___________
Keith has saved $___________ Answer:$8

Explanation:
There are 4 for Keith.
4 × $2 =$ 8
Keith has saved $8. Question 7. How much have Michelle and Alberto saved in all? There are 7 for Michelle. __________ ×$___________ = $_________ There are 6 for Alberto. _________ ×$_________ = $__________$________ + $_________ =$___________
Michelle and Alberto saved $_________ in all. Answer:$ 26

Explanation:
There are 7  for Michelle

7 × $2 =$ 14
There are 6 for Alberto.
6 × $2 =$ 12
$14 +$ 12 = $26 Michelle and Alberto saved$ 26 in all

Question 8.
How much more has Michelle saved than Gloria?
There are 7 for Michelle.
__________ × $___________ =$_________
There are 5 for Gloria.
_________ × $_________ =$__________
$________ –$_________ = $___________ Michelle has saved$_________ more than Gloria.
$4 Explanation: There are 7 for Michelle. 7 ×$ 2 = $14 There are 5 for Gloria. 5 ×$ 2 = $10$ 14 – $10 =$ 4
Michelle has saved $4 more than Gloria. Question 9. Grace has 2 . How much less has she saved than Gloria? _________ ×$_________ = $__________$________ – $_________ =$___________
Grace has saved $___________ less than Gloria. Answer:$ 6

Explanation:
Grace has 2
2 x $2 =$ 4
Gloria has 5
5 × $2 =$ 10
$10 –$ 4 = $6 Grace has saved$ 6 less than Gloria.

The chart shows the number of beads that each child used to make a bracelet.

Use the data to complete the bar graph below. Give your graph a title.

Make a line plot using the data on the bar graph on page 205. Then answer the questions.

Question 10.
How many children used 6 beads?
1 child

Explanation:

Question 11.
How many children used fewer than 7 beads?
3 children

Explanation:

Question 12.
8

Explanation:

Question 13.
How many children used more than 7 beads?
2 children

Explanation: