Study Guides

Unit Summary

In this unit pupils will use knowledge of place value to represent a 3-digit number in different ways. They will compare and order 3-digit numbers and position on number lines and unmarked number lines.

Lesson Summary

You will learn to represent 3-digit numbers in different ways.

Key Notes

• Place value equipment represents 3-digit numbers efficiently.
• A 3-digit number is made out of hundreds, tens and ones.
• The position of the digit tells you its place value.

Vocabulary To Learn

• Represent: Represent means showing something, or standing for something.
• 3-digit number: A 3-digit number represents a number of hundreds, tens and ones.
• Place value: Place value means how much a digit is worth in a number.

Common Mistakes To Avoid

• Pupils may struggle to represent numbers where tens or ones are missing (e.g. 307 or 680).

3 Quick Questions (With Answers)

More Lessons In This Unit

• Add and subtract to and from a 3-digit number bridging 100 Study Guide
• Comparing and ordering numbers with 1, 2 and 3 digits Study Guide
• Count forwards and backwards in multiples of 2, 20, 5, 50 and 25 Study Guide
• Count forwards and backwards within 3-digits Study Guide
• Estimate the position of 3-digit numbers on unmarked number lines Study Guide
• Ordering sets of 3-digit numbers Study Guide
• Partition 3-digit numbers in different ways Study Guide
• Position 3-digit numbers on number lines Study Guide
• Solve problems by adding and subtracting to or from 3-digit numbers Study Guide
• Solve problems by counting forwards and backwards in multiples of 2, 20, 5, 50 and 25 Study Guide
• Use known facts to add and subtract multiples of 100 within 1000 Study Guide
• Use known facts to add and subtract to and from multiples of 100 Study Guide
• Use known facts to solve problems involving partitioning numbers Study Guide
• Write a 3-digit multiple of 10 as a multiplication equation Study Guide