This handy Math in Focus Grade 2 Workbook Answer Key Chapter 17 Practice 4 Bar Graphs and Line Plots detailed solutions for the textbook questions.

## Math in Focus Grade 2 Chapter 17 Practice 4 Answer Key Bar Graphs and Line Plots

Ms. Rafael’s students took a Science quiz. Each student answered 10 questions. Each correct answer earned 1 point. The tally chart below shows the scores.

**Complete.**

Question 1.

Complete the tally chart.

Answer:

Explanation:

I counted and wrote the number of tally marks

Number of tally marks is number of students.

Question 2.

Complete the bar graph to show the data. Label your graph.

Answer:

Explanation:

I drew a bar graph to represent the number of students and their scores.

Question 3.

Use the data in the bar graph to create a line plot.

Answer:

Explanation:

I created a line plot to represent the score of the students.

**Use the bar graph or line plot to answer the questions.**

Question 4.

How many students scored 6 points?

___________ students

Answer:

5 students scored 6 points.

Question 5.

How many students scored more than 5 points?

___________ students

Answer:

3 students scored 5 points.

Question 6.

How many students took the Science quiz?

___________ students

Answer:

25 students took the science quiz.

Question 7.

Ms. Rafael awarded a sticker to each student who scored more than 7 points.

How many stickers did she give out? ___________ stickers

Answer:

6 stickers

Explanation:

Number of students who scored more than 7 points are awarded a sticker

2 students scored 8 points

1 student scored 9 points

3 students scored 10 points

2 + 1 + 3 = 6

So, 6 students are awarded stickers

Therefore, Ms. Rafael gave out 6 stickers.