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.