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
Put On Your Thinking Cap!
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.
Answer:
Explanation:
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 Tricia will read 8 + 2 = 10 pages on the 4th day
I drew 5 to represent 10 pages as each stands for 2 pages.
Put On Your Thinking Cap!
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
Answer:
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.
Answer:
The key shows what a picture or symbol stands for.
Question 2.
A ___________ shows data using pictures or symbols.
Answer:
A picture graph shows data using pictures or symbols.
Question 3.
You record the number of things in a _____________.
Answer:
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
Answer:
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: ______________
Answer:
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.
Answer:
$ 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.
Answer:
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?
Answer:
1 child
Explanation:
Angel made bracelet with 6 beads.
Question 11.
How many children used fewer than 7 beads?
Answer:
3 children
Explanation:
Abby, Zoe and Shelly made bracelets with 7 beads.
Question 12.
How many children made bracelets?
Answer:
8
Explanation:
8 children made bracelets with beads.
Question 13.
How many children used more than 7 beads?
Answer:
2 children
Explanation:
Andrea used 9 beads
Bob used 8 beads
Andrea and Bob used more than 7 beads to make bracelets.
Question 14.
How many beads did the children use in all?
Answer:
53
Explanation:
Andrea used 9 beads, Abby used 7 beads,
Zoe used 7, Lorie used 5,
Bob used 8, Mike used 4,
Shelly used 7 and Angel used 6
The children used 53 beads in all to make bracelets.