Number Sense Resources
Build strong number foundations with counting activities, number lines, skip counting games, number formation sheets and subitising resources.
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Number sense is the intuitive understanding of numbers and their relationships. Our resources include counting activities, subitising cards, number line displays, skip counting songs and games, number formation practice sheets, and ten frame activities. Perfect for early childhood, Foundation and Year 1 classrooms.
About Number Sense Resources
Number sense resources build the foundational mathematical understanding that underpins all other areas of primary mathematics. Number sense — an intuitive feel for numbers, their relationships, and how they behave — is developed through rich experiences with counting, comparing, estimating, partitioning, and representing quantities. Strong number sense in the early years predicts later mathematical achievement, making it one of the most important areas of primary mathematics to teach well.
TeachBuySell offers number sense resources for Foundation through Year 6, covering counting and subitising, number recognition and formation, number patterns and sequences, place value understanding, estimation, and flexible number thinking. Browse ten frame activities, number line resources, counting games, subitising flashcards, number talk prompts, and open-ended investigations that develop deep number understanding beyond procedural counting and calculation.
Number sense is developed through daily, varied experiences with numbers across multiple representations — concrete objects, visual dot patterns, number lines, and symbolic numbers. Many of our resources are designed for use in daily number routines such as number talks, calendar mathematics, or warm-up activities that build number sense consistently over time. Whether you are working with Foundation students on early counting skills or extending Year 4 students' understanding of large numbers and decimals, our collection has resources to develop the number fluency your students need.
Frequently Asked Questions
What number sense skills do your resources develop?
Our number sense resources develop a wide range of skills including counting, subitising, number recognition, comparing and ordering numbers, understanding quantity, estimation, skip counting, and flexible thinking about how numbers can be partitioned and composed.
Are there subitising resources for early years students?
Yes. Subitising is a key early number skill, and we have a range of resources including dot pattern flashcards, subitising games, and daily warm-up activities appropriate for Foundation, Year 1, and Year 2.
Can I find resources for number talks or daily number routines?
Absolutely. Many of our number sense resources are designed for use in daily number routines, including number talk prompt cards, mathematical discussion starters, and open-ended tasks that develop flexible number thinking through regular short sessions.
Are number sense resources suitable for the whole class or small groups?
Most of our number sense resources are flexible and can be used in whole-class, small-group, or independent settings. Many are designed as games or hands-on activities that work well in maths rotations.
Do resources link number sense to other maths topics?
Yes. Strong number sense underpins all areas of mathematics. Many resources explicitly connect number sense to addition and subtraction, place value, multiplication, and measurement, helping students see the connections across the maths curriculum.