HomeBlogBuilding Number Sense in the Early Years (F-Year 2)
In this post0102030405060708
Young children learning with manipulatives
Teaching Tips6 min read

Building Number Sense in the Early Years (F-Year 2)

How to develop deep understanding of quantity, comparison, and counting in Foundation to Year 2—without flashcards.

ASR
Australian School Resources
13 February 2025 · F-Year 2 · Maths

Number sense is the intuitive feel for quantity. A child with good number sense knows that 8 is a lot but 3 is a little, that 5 + 2 is close to 5 + 3, and that six objects look bigger when spread out than when bunched together. It's foundational to all future maths.

Rote counting (1, 2, 3, 4...) is fine, but children need to count things that matter. Count the buttons on a cardigan. Count the crackers at morning tea. Count the days till the class excursion. Counting should answer real questions: "How many are there?"

Subitising is recognising quantity without counting. Show a card with 5 dots for 1 second. "How many?" Children should see 5, not count to 5.

Activities: Dice games, dominoes, finger combinations, scattered objects. "I'm showing 4 fingers. You show 4 fingers without counting."

"Do we have more boys or girls today?" "Who has more blocks?" "Line these piles from smallest to biggest." Comparison is how children build understanding of relative size.

Three counters: 2 red, 1 blue. "We have 3 altogether. We can make 3 from 2 and 1." This is the foundation for addition and subtraction. Use any object: blocks, beads, pasta, leaves.

Five Little Monkeys, Five Currant Buns, 10 Green Bottles—these embed number relationships through rhythm and repetition. Kids remember them. Revisit them in many contexts.

Number isn't abstract for Year 1s. It's about apples in a basket, children on a mat, spots on a ladybird. Use the environment: shells on the beach, insects in the garden, leaves in autumn.

Counters and manipulatives
1

Mixed Counters and Manipulatives

Coloured counters, beads, and loose parts for building number sense through play.

ManipulativeReusable

Some Year 1s aren't ready to count to 10. Some are counting to 50. That's fine. Number sense develops gradually. Pressure backfires.

More like this

Students in an Australian classroom working together

Teaching Tips

NAPLAN 2026 Is Done — Now What? 5 Ways to Use Results to Plan Term 2

NAPLAN 2026 has wrapped. Here are 5 practical strategies Australian teachers can use to turn NAPLAN results into actionable Term 2 lesson plans.

Student on video call with teacher

Teaching Tips

Remote & Asynchronous Learning: Keeping Students Engaged

Strategies for maintaining engagement, pacing, and community when teaching remotely or asynchronously.

Students working at different learning levels

Teaching Tips

Differentiation: Teaching Mixed-Ability Classes Effectively

Strategies for meeting diverse learning needs within whole-class teaching, without creating separate curricula.