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YEAR 1 · DATA AND GRAPHS · 10 MIN

Recording data in lists

Use a list to keep track of data clearly.

In this lesson

Before you start
  • Collect and sort responses.
01 / LEARN

Understand the idea.

One record at a time

A list keeps the answers where we can read and count them. Write or draw one answer on each line. Numbered lines help us find a record again.

Keep a line for each answer, even when the same word appears again. Two different people can both choose blue. Their matching choices are still two separate answers.

Six colour cards, recorded once each.
CardColour
1Blue
2Red
3Blue
4Green
5Red
6Blue

Read a list for a purpose

First decide what you are counting: all the answers, or just one kind. To count red answers, start at the top and look at every line for red.

Mark each matching line once, then count the marks. Matching answers need not sit next to each other. Moving the lines into a new order would not change their count.

02 / WORKED EXAMPLES

See the method in action.

EXAMPLE 01

Read separated entries

The list is blue, red, blue, green, red, blue. How many times is red recorded?

Six colour cards, recorded once each.
CardColour
1Blue
2Red
3Blue
4Green
5Red
6Blue

Worked solution

  1. 1

    Read the whole list from left to right.

    Red appears in the second and fifth places, with other colours between them.

  2. 2

    Count those two red entries.

    1+1=2

    Each red entry is one recorded answer, so red is recorded 2 times.

Answer

2.

EXAMPLE 02

Repair a list

A child records the same person's answer on lines 2 and 3 by mistake. How should the list be fixed?

Worked solution

  1. 1

    Check who gave the two recorded answers.

    Lines 2 and 3 repeat the same person's answer, and that person was asked for only one choice.

  2. 2

    Remove one repeated record and keep the other.

    The person's choice must stay in the list once, rather than being counted twice or removed altogether.

Answer

Remove the repeated record, keeping the person's answer once.

03 / YOUR TURN

Try it yourself.

Check your understanding

Read: dog, cat, dog, bird. How many responses are in the list?

Show answer & reasoning

4.

Count each entry: dog, cat, dog, bird. There are 4 responses. The two dog entries both count, even though they name the same kind of pet.

Keep practising

6 worksheet questions

Read the questions online
  1. Read: apple, pear, apple. How many entries are recorded?
  2. Read: bus, walk, car, walk. How many walk entries are there?
  3. Use the six-card list. What colour is on line 4?
    Six colour cards, recorded once each.
    CardColour
    1Blue
    2Red
    3Blue
    4Green
    5Red
    6Blue
  4. Write a list for these three choices, using one choice per line: red, green, blue.
  5. A list has two children choosing dog. Should one dog response be erased just because the words match?
  6. How can numbering the lines help you check a list?
Read the worked solutions
  1. Read: apple, pear, apple. How many entries are recorded?

    Count each entry in the list.

    3.
  2. Read: bus, walk, car, walk. How many walk entries are there?

    Walk appears second and fourth.

    2.
  3. Use the six-card list. What colour is on line 4?
    Six colour cards, recorded once each.
    CardColour
    1Blue
    2Red
    3Blue
    4Green
    5Red
    6Blue

    Read the fourth record.

    Green.
  4. Write a list for these three choices, using one choice per line: red, green, blue.

    There should be exactly three records.

    Red on one line, green on the next, blue on the third.
  5. A list has two children choosing dog. Should one dog response be erased just because the words match?

    They are two different responses in the same category.

    No.
  6. How can numbering the lines help you check a list?

    Check there are no missed or repeated line numbers.

    The last line number helps show the number of records, if each line has one record.
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Curriculum reference & lesson scope

Australian Curriculum v9 / SA Curriculum 2026

Year 1 categorical questions, response collection, lists, one-to-one displays and comparison of frequencies.

Official curriculum source ↗

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