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Pre-K · Maths · Lessons
Under the cup
🥤cup🔢number➕more➖gone
Under the cup.
The big ideaStart at the cup's number. Count on, or count back.

How it works

Start at the cup's number. Count on, or count back.

3 under the cup and 1 more: say 3, then 4.

4 under the cup and 1 rolls out: say 4, then 3.

123456+1startnow
Count on from 3.

Example 1: Count on

  1. There are 3 under the cup. 1 more goes in.
  2. Start at 3 and say the next: 4.
  3. 3 + 1 = 4.

Example 2: Count back

  1. There are 4 under the cup. 1 rolls out.
  2. Start at 4 and say the one before: 3.
  3. 4 − 1 = 3.

Example 3: Check

  1. Lift the cup and count.
  2. Touch each one once.
  3. See if you were right.

Words to know

count on
Say the next numbers to add.
count back
Say the numbers going down to take away.

Watch out

Try it

  1. 2 under the cup and 1 more. How many?
  2. 5 under the cup and 1 rolls out. How many?
  3. 3 under the cup and 2 more. How many?
  4. Do you count on or back to add?
Answers: 1. 3 · 2. 4 · 3. 5 · 4. on
For grown-upsHide counters under a cup and play 'how many are under there now?'
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