Unit Quiz: Graphs & Data
Instructions
This quiz tests everything you learned about graphs and data. Take your time and show your work!
Before You Begin
- Read each question carefully
- Look at all parts of each graph (title, labels, key, scale)
- Show your work for full credit
- Check your answers when done
Quiz Questions
Question 1: Bar Graph Basics
A bar graph shows favorite pets in Mrs. Smith's class:
- Dogs: 9 students
- Cats: 7 students
- Fish: 4 students
- Birds: 3 students
a) Which pet is the most popular?
b) Which pet is the least popular?
c) How many students are in the class? (Hint: assume each student voted once)
Question 2: Picture Graph Reading
A picture graph shows books read during Read-a-Thon. Each book picture = 2 books.
- Lily: 5 book pictures
- Marcus: 7 book pictures
- Sofia: 6 book pictures
a) How many books did Lily read?
b) How many books did Marcus read?
c) How many books did all three children read together?
Question 3: Comparing Data
A bar graph shows points scored in basketball games:
- Game 1: 18 points
- Game 2: 24 points
- Game 3: 21 points
- Game 4: 15 points
a) How many more points were scored in Game 2 than Game 4?
b) What is the total points scored in all 4 games?
c) Which game had the highest score?
Question 4: Understanding Keys
A picture graph shows stickers collected. Each sticker picture = 5 stickers.
- Monday: 3 pictures
- Tuesday: 4 pictures
- Wednesday: 2 pictures
- Thursday: 5 pictures
a) How many stickers were collected on Monday?
b) How many stickers were collected on Thursday?
c) How many more stickers were collected on Thursday than Wednesday?
Question 5: Word Problem
The second grade classes had a canned food drive. Class A collected 45 cans. Class B collected 38 cans. Class C collected 52 cans.
a) How many cans were collected in all?
b) How many more cans did Class C collect than Class B?
c) If you made a bar graph, which class would have the tallest bar?
Question 6: Scale Reading
A bar graph counts by 2s on the side. The bars show:
- Apples: bar reaches line 4
- Oranges: bar reaches line 6
- Bananas: bar reaches line 3
a) How many apples are shown? (Remember: count by 2s!)
b) How many oranges are shown?
c) How many fruits are there in all?
Question 7: Creating Data
You surveyed friends about their favorite ice cream flavor:
- Chocolate: 8 votes
- Vanilla: 5 votes
- Strawberry: 6 votes
- Mint: 3 votes
a) How many friends did you survey in total?
b) Which flavor got the most votes?
c) How many fewer votes did mint get than chocolate?
Question 8: Picture Graph Math
A picture graph shows rainy days. Each umbrella = 3 rainy days.
- March: 4 umbrellas
- April: 6 umbrellas
- May: 3 umbrellas
a) How many rainy days were in March?
b) How many rainy days were in April?
c) Which month had the fewest rainy days? How many?
Question 9: Error Spotting
A student read this picture graph where each star = 2 points:
Team A: 5 stars, Team B: 3 stars
The student said: "Team A has 5 points and Team B has 3 points."
a) What mistake did the student make?
b) What is the correct number of points for Team A?
c) What is the correct number of points for Team B?
Question 10: Putting It All Together
A bar graph shows how students get to school:
- Bus: 35 students
- Car: 28 students
- Walk: 15 students
- Bike: 12 students
a) How many students are at the school? (assume each student uses one way)
b) How many more students take the bus than walk?
c) If 10 more students started biking, how many would bike to school?
After the Quiz
- Check your work carefully
- Make sure you answered all parts of each question
- Review any questions you found difficult
- Go back to the lessons if you need more practice
Scoring Guide
- 10 correct: Excellent! You have mastered graphs and data!
- 8-9 correct: Great job! Review any mistakes.
- 6-7 correct: Good effort! Practice the topics you missed.
- Below 6: Keep practicing! Review the lessons and try again.
Next Steps
- Review any topics that were challenging
- Practice making your own graphs at home
- Move on to the next math unit when ready
- Remember: graphs help us understand information in everyday life!