Grade by Grade
Strand A: Foundations of Language and Mathematics · Numbers and Counting

Quick Look: Seeing Small Numbers

A6.4 A6.5About 15 minutes
Learning goals
  • I can look quickly at a small group (up to 5) and know how many without counting.
  • I can see dot patterns, like on a die, and say the number.
  • I can see small groups inside a bigger group, like 2 and 3.

Words to know

quick look
Seeing how many in a small group right away, without counting one by one. Grown-ups call this subitizing (SOO-bih-tie-zing).
dot pattern
Dots placed in a shape we know, like the dots on a die.
die
A cube with dots on each side, used in games. More than one are called dice.

Peek-a-boo numbers!

Grown-up: read aloud. Cover the picture with your hand, then show it for just 2 seconds.

Get ready … look! How many?

🍪🍪🍪
How many cookies? You saw 3 right away!

Some numbers we just see

When a group is small, our eyes can tell how many without counting. You see 2 socks and just know it's 2. You see 3 cookies and just know it's 3.

This is called a quick look. Grown-ups call it subitizing.

Three chocolate chip cookies sit on a white plate on a wooden table.
Take a quick look. You can see there are 3 cookies without counting them one by one! AI-generated image

Dot patterns

Dice have dot patterns. After you play lots of games, you know them by heart. Look at these.

12345
Dice dot patterns for 1, 2, 3, 4 and 5. Five looks like four with one dot in the middle.

Ten frames

A ten frame is a box with 10 spaces in two rows of 5. When the top row is full, that's 5. You don't have to count it!

Left: 3. Right: a full top row is 5.
Worked example

Let's play quick look with a ten frame

The grown-up shows this ten frame for 2 seconds. How many?

  1. Look quickly.
  2. The top row has 4. One empty space is left.
  3. 4 is one less than a full row of 5.

4. We saw it without counting.

Worked example

Seeing two small groups

How many ducks are there?

  1. Look: I see a group of 2 ducks.
  2. And a group of 3 ducks.
  3. 2 and 3 together make 5. (Count to check: 1, 2, 3, 4, 5.)

5 ducks. Seeing small groups helps us know bigger numbers fast.

🦆🦆🦆🦆🦆
A group of 2 and a group of 3.

Fingers!

Fingers are a great quick-look tool! A whole hand is 5. Show 3 fingers fast and ask, "How many?" Your child will soon know finger patterns without counting.

Just for fun

Funny but true: you’re not the only one who can do a quick look! Scientists have found that honeybees can tell a group of 2 things from a group of 3. 🐝

Hands-on activity

Flash and hide

You need: a tea towel or a bowl, and 5 small things (buttons, coins, blocks or cereal).

  1. The grown-up puts 1 to 5 things on the table and covers them.
  2. Lift the towel for 2 seconds, then cover again.
  3. Say how many you saw.
  4. Lift the towel and check by counting.
  5. Switch! Now you hide things for the grown-up.

Also try: rolling a die in a board game and saying the number without counting the dots, or a fast finger game: "Show me 4!"

Your turn

1

Grown-up: show for 2 seconds. How many?

🟢🟢🟢

2

Quick look! How many?

⭐⭐

3

Quick look! How many?

🍎🍎🍎🍎🍎

4

How many fingers is a whole hand? ✋

5

Quick look! How many?

🐞

6

Quick look! How many?

🔵🔵🔵🔵

7

Grown-up: hold up 3 fingers for 2 seconds. How many fingers did you see?

More practice: warm-up

1

Quick look! How many?

🌸🌸

2

Quick look! How many?

🐟

3

Quick look! How many?

🍪🍪🍪

4

Show me 2 fingers fast!

5

Quick look! How many?

🚗🚗🚗🚗

More practice: on your own

1

Quick look! How many?

🎈🎈🎈🎈🎈

2

Quick look! How many?

⚽⚽⚽⚽

3

Grown-up: roll a die (or show a die face) for 2 seconds. What number did you see?

4

Show me 4 fingers fast!

5

How many? Look for small groups.

🐸🐸 🐸🐸

Challenge

1

How many? Look for small groups.

🍓🍓🍓 🍓🍓

2

How many? Look for small groups.

🔴🔴🔴🔴 🔴

3

How many fingers? ✋ ✌️

Check your understanding

Quiz

1.

Quick look! How many?

🍎🍎🍎

2.

How many fingers on one whole hand? ✋

3.

Quick look! How many?

⭐⭐

4.

How many? I see 2 and 2.

🐟🐟 🐟🐟

For parents and teachers

Big idea: Subitizing means seeing how many in a small group without counting. Ontario's Kindergarten Curriculum (2026) asks children to subitize quantities up to 5. This builds number sense and makes adding easier later. Seeing "2 and 3" as 5 is the start of composing numbers.

Common difficulties:

  • Counting every time. If the picture stays up, children will count. Show it for only 2 to 3 seconds. Then let them check by counting.
  • Random arrangements are harder than dice patterns. Start with dice and ten frames, then try scattered groups.
  • Guessing. That's fine at first. Always check by counting together.

How to help: Play board games with dice. Use "flash" games with fingers, cereal, or coins. Point out quick-look groups in daily life: "How many eggs are left in the carton? Don't count, just look!"