Pictograms and tally charts (age 6+)

Question 1

Sam wants to make a bar chart that shows how many books each of his friends read last month. Which of the following sets of labels would be the best choice for the chart?

Accepted Answer

Title: "Books Read by Friends" X‑axis label: "Friend’s Name" Y‑axis label: "Number of Books" Scale: Y‑axis marks 0, 1, 2, 3, 4, 5

Answer

Title: "Books Read by Friends" X‑axis label: "Number of Books" Y‑axis label: "Friend’s Name" Scale: X‑axis marks 0, 1, 2, 3, 4, 5

Answer

Title: "Books Read by Friends" X‑axis label: "Friend’s Name" Y‑axis label: "Number of Books" Scale: Y‑axis marks 0, 10, 20, 30, 40

Answer

Title: (none) X‑axis label: "Friend’s Name" Y‑axis label: "Number of Books" Scale: Y‑axis marks 0, 1, 2, 3, 4, 5

Question 2

Sam asked his 9 classmates which animal they would like to have as a pet. He wants to record the answers and show them to the class. Which description shows the correct way to use a tally, find the frequency, and make a pictogram?

Accepted Answer

Sam draws a tally mark for each classmate who chooses the same animal, counts the tallies to get the frequency for each animal, and then draws that many pictures of the animal to create a pictogram.

Answer

Sam makes a list of the animals, writes the total number of votes next to each, and then draws a line graph of the totals.

Answer

Sam writes the number of classmates who chose each animal, then draws a bar for each number and calls it a pictogram.

Answer

Sam records the names of the classmates beside the animal they chose, adds up the names, and draws one picture of each animal regardless of how many chose it.

Question 3

Which pair shows a correct example of discrete data (counted) followed by a correct example of continuous data (measured)?

Accepted Answer

The number of books on a shelf; the height of a tree.

Answer

The length of the classroom; the number of students in the class.

Answer

The weight of a backpack; the number of pencils in a box.

Answer

The colors of the cars in the parking lot; the time it takes to run a race.

Try three questions

Sam wants to make a bar chart that shows how many books each of his friends read last month. Which of the following sets of labels would be the best choice for the chart?

Sam asked his 9 classmates which animal they would like to have as a pet. He wants to record the answers and show them to the class. Which description shows the correct way to use a tally, find the frequency, and make a pictogram?

Which pair shows a correct example of discrete data (counted) followed by a correct example of continuous data (measured)?

Keep going on this shelf