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Three-digit numbers

  • Year group: Year 3
  • Term: Autumn
  • Topic: Number and place value
  • Duration: 3 weeks
  • Keystage: KS2
  • Age Range: 7 to 8 yrs
  • Unit can be taught out of sequence: N
  • Week Range: 1 - 3

In this chapter, pupils identify, represent and estimate numbers to at least 1,000 (ie, hundreds, tens and ones) using a variety of representations, including those related to measure.

They compare and order numbers up to 1,000 and they apply partitioning related to place value (eg, 146 = 100 + 40 + 6, 146 = 130 + 16). As ever, it is important that concrete and pictorial representations are used throughout.

Many children have been learning to say which number is “one more” or “one less” than a given number since before starting school; first with numbers within 5, then within 10, then within 100 and now within 1,000. This is extended further in this chapter by asking pupils to find 10 and 100 more or less than a given number. This helps pupils deepen their understanding of place value, particularly when working with numbers that move into the next 10 or 100.

 Download all number and place value chapters as a PDF 

Resources for this topic

White Rose Maths

Inequality symbols

This worksheet supports learning with concrete materials such as Ten Frames, Place Value counters and Base 10 using the symbols >, < and =
By WRMaths

Compare and order numbers up to 1000

This resource is great if you have been using counters as a concrete model before moving onto pictorial and abstract.
By WRMaths

Place value problems

A resource to extend and deepen children's understanding of place value.
By WRMaths

Place value - Up to 4 digits

A selection of place value resources that link directly to concrete materials such as straws, Base Ten and counters. The resources include fluency, reasoning and problem solving questions.
By WRMaths

Mathematics Mastery

Three-digit numbers

Mathematical discussion is a key element of the Mathematics Mastery programme.

Talk Tasks are a brilliant way of enabling pupils to develop their mathematical language, thinking, understanding and confidence.

This activity explores the concept of three-digit numbers.

• Talk tasks are best completed in mixed attainment pairs, with pupils taking turns to listen and construct arguments
• Emphasis is on discussion rather than the solution, encouraging pupils to use key language and talk in full sentences
• Ask pupils to prove their answers in a variety of ways, using the CPA approach to support mathematical understanding and number sense

Like what you see? Mathematics Mastery is a professional development programme for teachers with a mission to transform mathematics education in the UK.

This task is just a taster of the complete classroom resources we offer. We also provide in-depth development training, online CPD, specialist support and assessment tools.

We believe all elements of our programme are vital in creating lasting change – enabling every child to enjoy and succeed in mathematics.

Want to find out more? Check out our free resources and blogs or join an information session.
By Mathematics Mastery

Three-digit numbers

Mathematical discussion is a key element of the Mathematics Mastery programme.

Talk Tasks are a brilliant way of enabling pupils to develop their mathematical language, thinking, understanding and confidence.

This activity explores the concept of three-digit numbers

• Talk tasks are best completed in mixed attainment pairs, with pupils taking turns to listen and construct arguments
• Emphasis is on discussion rather than the solution, encouraging pupils to use key language and talk in full sentences
• Ask pupils to prove their answers in a variety of ways, using the CPA approach to support mathematical understanding and number sense

Like what you see?

Mathematics Mastery is a professional development programme for teachers with a mission to transform mathematics education in the UK.

This task is just a taster of the complete classroom resources we offer. We also provide in-depth development training, online CPD, specialist support and assessment tools.

We believe all elements of our programme are vital in creating lasting change – enabling every child to enjoy and succeed in mathematics.

Want to find out more? Check out our free resources and blogs or join an information session.
By Mathematics Mastery

Three-digit numbers

Deepening pupils’ understanding of key mathematical ideas is a core element of the Mathematics Mastery programme.

Our Key Constructs highlight the essential mathematical concepts all pupils are expected to grasp within each year group, with accompanying guidance for assessing pupil progress.

Our Key Constructs are closely aligned to the National Curriculum’s objectives. We know these can be tricky to evidence, so we’ve included an example task for each concept, as well as ideas to support slower-graspers and depth tasks to challenge higher-attaining pupils.

• Pupils should work through the tasks independently
• Teachers should incorporate the CPA approach to support pupils’ learning
• Opportunities for depth and scaffolding are built into each task

Like what you see?

Mathematics Mastery is a professional development programme for teachers with a mission to transform mathematics education in the UK.

This task is just a taster of the complete classroom resources we offer. We also provide in-depth development training, online CPD, specialist support and assessment tools.

We believe all elements of our programme are vital in creating lasting change – enabling every child to enjoy and succeed in mathematics.

Want to find out more? Check out our free resources and blogs or join an information session.
By Mathematics Mastery

Three-digit numbers

Mathematical discussion is a key element of the Mathematics Mastery programme.

Talk Tasks are a brilliant way of enabling pupils to develop their mathematical language, thinking, understanding and confidence.

This activity explores the concept of three-digit numbers

• Talk tasks are best completed in mixed attainment pairs, with pupils taking turns to listen and construct arguments
• Emphasis is on discussion rather than the solution, encouraging pupils to use key language and talk in full sentences
• Ask pupils to prove their answers in a variety of ways, using the CPA approach to support mathematical understanding and number sense

Like what you see? Mathematics Mastery is a professional development programme for teachers with a mission to transform mathematics education in the UK.

This task is just a taster of the complete classroom resources we offer. We also provide in-depth development training, online CPD, specialist support and assessment tools.

We believe all elements of our programme are vital in creating lasting change – enabling every child to enjoy and succeed in mathematics.

Want to find out more? Check out our free resources and blogs or join an information session.
By Mathematics Mastery

Resources shared by teachers

Year 3- Place Value- Week 1 - Counting in hundreds, representing 3 digit numbers.

This is pack 1 of 3 on Year 3 place value and covers the small steps Hundreds, Represent numbers to 1,000 and 100s, 10s and 1s (1). . Numbers are represented in a variety of ways and lend themselves well for use alongside concrete manipulatives such as place value counters and Base 10.

The resources include pictorial and abstract representations as well as reasoning and problem solving activities and more open ended problems to support and extend your whole class.

I hope you find them useful.
By bch89

Year 3- Place Value- Week 2- Partitioning numbers, using a number line, find 1, 10, 100 more or less

This is pack 2 of 3 on Year 3 place value and covers the small steps 100s, 10s, 1s (2), Number line to 1,000 and Find 1, 10, 100 more or less than a given number. . Numbers are represented in a variety of ways and lend themselves well for use alongside concrete manipulatives such as place value counters and Base 10.

The resources include pictorial and abstract representations as well as reasoning and problem solving activities and more open ended problems to support and extend your whole class.

I hope you find them useful.
By bch89

Year 3- Place Value- Week 3- Comparing and Ordering Numbers, Counting in 50s

This is pack 3 of 3 on Year 3 place value and covers the small steps Comparing objects, Comparing numbers, Ordering numbers and Counting in 50s. Numbers are represented in a variety of ways and lend themselves well for use alongside concrete manipulatives such as place value counters and Base 10.

The resources include pictorial and abstract representations as well as reasoning and problem solving activities and more open ended problems to support and extend your whole class.

I hope you find them useful.
By bch89

Year 3 - Place Value- Week 1-3

This bundle of resources covers the first 3 weeks of Place Value. There is a resource for every small step plus extra reasoning and problem solving activities.
By bch89

Place Value in the King's Counting House

Powerpoint presentation and differentiated sheets for teaching place value. Aimed at Y3 class.

Other topics covered: Numbers

By Rushtini

Place value powerpoints

Place value powerpoints concerning partitioning numbers, arrow cards, abacus and dienes.

By V63