Tutorpip← About this lessonOpen the sheet →Download PDF
Kindergarten · Maths · Lessons
Two piles
🔢number➗split🧺pile one🧺pile two
Two piles.
The big ideaSplit a number into two piles. There is more than one way.

How it works

Split a number into two piles. There is more than one way.

5 can be 1 and 4, 2 and 3, 3 and 2, or 4 and 1.

The two piles always add back to the number.

Pile one• 1• 2• 3• 4Pile two• 4• 3• 2• 1
Ways to split 5.

Example 1: Split 5

  1. 5 counters.
  2. Put 2 in one pile and 3 in the other.
  3. 2 + 3 = 5.

Example 2: Another way

  1. Put 4 in one pile and 1 in the other.
  2. That is a different split.
  3. 4 + 1 = 5.

Example 3: Check

  1. Put the piles back together.
  2. Count all.
  3. You get 5 again.

Words to know

split
To break into two parts.
pile
A group of things together.

Watch out

Try it

  1. Split 4 into 1 and what?
  2. Split 5 into 2 and what?
  3. Split 3 into 1 and what?
  4. Is there only one way to split 5?
Answers: 1. 3 · 2. 3 · 3. 2 · 4. no
For grown-upsSplit snacks between two plates in different ways and say each sentence.
Open these notes on screenScan the code, or go to tutorpip.com.