Data collection and display vocabulary · seed 1 · A4, ink-friendly. The answer key prints on its own page for grown-ups.

Words for collecting and showing data

Mathematics · Data & Statistics · ages 6-9
Name ______________________   Date ____________

  1. What is a tally chart used for?

    • Counting answers with short lines
    • Measuring how tall someone is
    • Telling the time

  2. Continuous data is data you measure, like your height.

    Circle one:   True   False

  3. In a tally chart, how many lines make one full group?

    • 3
    • 4
    • 5

  4. Some children did a survey about favorite fruit. The tally chart shows 7 tally marks for apples. What is the frequency of apples?

    Answer: ______________

  5. Which of these is continuous data?

    • Number of pets you have
    • Number of books you read
    • How long it takes you to run a race

  6. Count the stars. That's how many times 'stars' was chosen in the survey. What is the frequency?

    Answer: ______________

  7. A class collects data about two things. Which one is continuous data?

    • The number of pets each child has
    • The height of each sunflower in the garden
    • The number of goals each team scored
    • The tally marks for each favorite color

  8. Look at the bar chart. How do you know which bar stands for 'Cats'?

    Cats5Dogs3Fish2
    • The label under the bar
    • The height of the bar
    • The color of the bar

  9. Ben draws a bar chart but forgets to add a scale on the side. What problem does this cause?

    • No one can tell how many each bar represents
    • The bars will be the wrong color
    • The chart will have too many categories

  10. Priya wants to show how many pets each of her 3 friends has using pictures instead of tally marks. What should she draw?

    • A pictogram
    • A number line
    • A clock
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Answer key

For grown-ups. Fold this page away before handing over the rest.

Words for collecting and showing data W1-mt_u5HkSxZECM-s1

  1. Counting answers with short lines · A tally chart uses short lines to count how many times each answer was given.
  2. True · Height can be any value, even in between numbers, so it's continuous, measured data.
  3. 5 · Four lines standing straight, plus one line crossing them, makes a group of five.
  4. 7 · The frequency is how many times something was chosen. Count the tally marks for apples. There are 7.
  5. How long it takes you to run a race · Time is measured, not counted, and can be any value, so it's continuous data.
  6. 6 · Frequency just means how many times something was counted. Here, that's 6.
  7. The height of each sunflower in the garden · Height is measured, so it is continuous data. The others are counted, so they are discrete data.
  8. The label under the bar · The label under each bar names its category, so you always know what it represents.
  9. No one can tell how many each bar represents · Without a scale, you can see the bars but not know how many votes or items each one stands for.
  10. A pictogram · A pictogram uses one picture for each item counted, which is perfect for showing whole-number pet counts.
Worksheet · LightMySky