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Year 2 - Maths

Represent multiples of ten using their numerals

Composition of multiples of 10

Unit Summary

In this unit pupils will represent multiples of ten using numerals and names and use knowledge of facts and unitising to add and subtract multiples of ten.

Lesson Summary

You will learn to represent multiples of ten using numbers.

Key Notes

  • All multiples of ten end with a zero.
  • Multiples of ten are written with a zero as the ones digit.
  • This is the number ___ and the ___ represents ___ tens.

Vocabulary To Learn

  • Ones: Individual objects, grouped in ones.
  • Tens: Groups of ten.
  • Groups of 10: Objects, grouped in tens.
  • Multiple: A multiple is the result of multiplying a number by another whole number.

Common Mistakes To Avoid

  • Children may get the tens and teens numbers confused and may muddle up the digits when writing the numerals.

3 Quick Questions (With Answers)

1. Solve this in steps: explain the method from this lesson and why each step matters.

All multiples of ten end with a zero. Multiples of ten are written with a zero as the ones digit.

2. Use this key word in a maths sentence and explain it clearly. 'Ones'

Individual objects, grouped in ones. Use this word when showing your method, then check your final answer is reasonable.

3. Spot and fix this common maths mistake.

Mistake: Children may get the tens and teens numbers confused and may muddle up the digits when writing the numerals. Correction: Show numbers on a place value chart and talk about what each number represents. Emphasise the relative value of the digits, focusing on the groups of 10 and how this is shown. Support pupils to generalise e.g. teen numbers always have one ten.

More Lessons In This Unit

Browse all guides in the Year 2 Maths guide library.