Understanding that a whole number can be broken into smaller parts is a huge milestone in early maths. These simple divided paper plates create a brilliant, low-cost part-whole model, allowing children to physically partition dry pasta to discover number bonds.

Materials Needed

White paper plates (or circles drawn on scrap paper)
A thick black marker pen
Small everyday objects for counting (dry pasta shapes, buttons, or pebbles)
Small numeral cards 1 to 5 (optional)

Step-by-Step Setup

1. Draw the Model

Take a paper plate and draw a line horizontally across the middle. Draw a vertical line down the bottom half. You now have one large 'whole' section at the top, and two smaller 'part' sections below.

2. Introduce the Whole

Place 5 pieces of dry pasta in the top 'whole' section. Count them together: "One, two, three, four, five. We have five pieces altogether."

3. Split into Parts

Demonstrate sliding the pasta down into the bottom sections. Slide 3 into the left section and 2 into the right. Explain: "Look, five is made of three and two!"

4. Recombine and Conserve

Slide the pieces back up to the top to prove that it is still 5. This teaches conservation of number—the total remains the same even when broken apart.

5. Explore Combinations

Let the children take over. Give them 4 or 5 objects and let them physically move them between the parts to discover other bonds, like 4 and 1, or 5 and 0.

Classroom Adaptations

Large class?

Once modelled on the carpet, place plates and pots of objects in the maths area for independent exploration.

Limited resources?

If paper plates run out, simply draw large part-whole circles on individual whiteboards.

Mixed ages?

For younger children, stick to splitting quantities of 2 or 3 to build early confidence.

High ability?

Provide numeral cards and ask them to place the correct written number next to each 'part'.

Part-Whole Paper Plates: Part-Whole Number Bonds Maths Activity for Reception