Graphs and Data — Answer Key
Part A: Multiple Choice
Circle the best answer for each question.
1. A class voted on pets: cats 8, dogs 3, fish 6, birds 2, hamsters 9, turtles 4. How many students were surveyed?
A) 28
B) 30
C) 32
D) 34
Add all the votes: cats (8) + dogs (3) + fish (6) + hamsters (9) + birds (2) + turtles (4) = 32.
2. Using the same data, how many more students chose hamsters than dogs?
A) 3
B) 5
C) 6
D) 9
Hamsters got 9 votes and dogs got 3 votes. 9 − 3 = 6 more votes.
3. Which two pets together equal the same as hamsters alone (9 votes)?
A) cats and birds
B) dogs and fish
C) dogs and turtles
D) birds and turtles
Dogs received 3 votes and fish received 6 votes. 3 + 6 = 9 votes combined.
4. A tally mark group of four lines with one diagonal through them stands for what number?
A) 4
B) 5
C) 6
D) 10
Hamsters got 9 votes and turtles got 4 votes. 9 − 4 = 5 fewer votes.
Part B: Fill in the Blank
Write the correct answer on each line.
1. Fish and turtles together got 10 votes.
If each picture equals 2, then 5 pictures equal 5 × 2 = 10 votes.
2. The pet that got exactly 6 votes is fish.
According to the pet survey data, fish received exactly 6 votes.
3. Cats got 6 more votes than birds.
Cats got 8 votes and birds got 2 votes. 8 − 2 = 6 more votes.
4. The key on a pictograph tells what each picture stands for.
A picture graph (pictograph) uses images to represent data. Each image can stand for one or more items.
5. If each picture means 2 and you see 4 pictures, the total is 8.
The survey shows that 8 students chose cats as their favorite pet.