Read a picture graph

Key idea: Use the key. Find what each picture means. Compare the amounts in the named rows.

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Enlarged diagram

Read what each picture means

Let’s read this graph. Each dot stands for one child. Tap one row’s dots. Count from one.

Key: ● = one child.

Apple
●●●●
Banana
●●●
Orange
●●●●●

The fruit names are categories, or choice groups. The key tells what one dot means. Here, one dot stands for one child.

Touch each dot once. Start counting from one again in each row.

Find the most and fewest

Which fruit did most children choose? Which did fewest choose? Check the dots.

Compare the rows

Apple: counter; counter; counter; counter. Banana: counter; counter; counter. Orange: counter; counter; counter; counter; counter.

Key: one dot stands for one child.
Figure data

This table is included in print while it is open.

Counters in words
SetCounters
Applecounter; counter; counter; counter
Bananacounter; counter; counter
Orangecounter; counter; counter; counter; counter
Most children chose…
Fewest children chose…

Show answerHide answer

Orange: most, 5 children. Banana: fewest, 3 children.

How many more?

Pair each Banana dot with an Orange dot. Which row has dots left over?

Use these rows

Apple: counter; counter; counter; counter. Banana: counter; counter; counter. Orange: counter; counter; counter; counter; counter.

Key: one dot stands for one child.
Figure data

This table is included in print while it is open.

Counters in words
SetCounters
Applecounter; counter; counter; counter
Bananacounter; counter; counter
Orangecounter; counter; counter; counter; counter

A pair has two partners. Match one Banana dot with one Orange dot. Keep making pairs. How many Orange dots have no partner?

Show answerHide answer

2 more. You made three pairs. Two Orange dots are left: 5-3 = 2.

Choose the rows you need

Count children in Apple and Banana’s rows together. You can point as you count.

Count just the named rows

Apple: counter; counter; counter; counter. Banana: counter; counter; counter. Orange: counter; counter; counter; counter; counter.

Key: one dot stands for one child.
Figure data

This table is included in print while it is open.

Counters in words
SetCounters
Applecounter; counter; counter; counter
Bananacounter; counter; counter
Orangecounter; counter; counter; counter; counter

Check your understanding 1

Read two rows

Use the graph. How many children chose Apple or Banana altogether?

Show answerHide answer

7 children. 4 + 3 = 7. You used only the two named rows.

Check your understanding 2

One choice changes

One child swaps Orange for Banana. Will the number of children change? Guess, then move the dot.

One child changes fruit. Will there be…

Key: ● = one child.

Apple
●●●●
Banana
●●●
Orange
●●●●●

Say or write the three new counts. Or draw the graph on paper. Use Show counts to compare when you’re ready.

Say or write the new counts
Show answerHide answer

After the change

Apple: counter; counter; counter; counter. Banana: counter; counter; counter; counter. Orange: counter; counter; counter; counter.

Key: one dot is one child. The class is the same.
Figure data

This table is included in print while it is open.

Counters in words
SetCounters
Applecounter; counter; counter; counter
Bananacounter; counter; counter; counter
Orangecounter; counter; counter; counter

4, 4, 4. Still 12 children. One child changed rows; nobody joined or left.

Still twelve children. One choice changed rows; nobody joined or left.

What the graph can tell you

You can see this class’s choices. You cannot see why they chose each fruit. Another class could make different choices.

Make and read your own

Here are five children’s choices. Move dots to change their choices. Which game has more now? Can you make one row have no dots?

Your turn. Choose where the five dots go. Can you leave one game’s row empty?

Key: ● = one child.

Tag
●●●
Hopscotch
●●

Say the two counts. Use Show counts to compare. No dots means zero choices. Check you still have five children altogether.

Try it away from the screen too. Ask five people to choose between two games. Draw one dot per person. Choose the right row. Write the key.

For a grown-up

Ask your child to read someone else’s graph using its key, then make their own. Moving a dot changes a choice, not the number of people.

Pip’s synthetic voice uses the University of Edinburgh’s Alba speech dataset, via Piper’s Alba voice, under CC BY 4.0. Audio is optional.

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