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Year 2 - Maths

Find one-half of a number

Fractions: identify equal parts and be familiar with halves, thirds and quarters

Unit Summary

In this unit pupils will identify whether something has or has not been split into equal parts. They will name fractions one-half one-quarter and one-third in relation to a fraction of a length shape or set of objects.

Lesson Summary

You will learn to find one-half of a number and write this as an equation.

Key Notes

  • To find one-half of a number you split it into 2 equal parts
  • One-half of a number can be written as an equation using fraction notation.

Vocabulary To Learn

  • One-half: One of two equal parts of a whole.

Common Mistakes To Avoid

  • Children may try to make a group of 2 objects rather than share into 2 equal parts.

3 Quick Questions (With Answers)

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

To find one-half of a number you split it into 2 equal parts. One-half of a number can be written as an equation using fraction notation.

2. Use this key word in a maths sentence and explain it clearly. 'One-half'

One of two equal parts of a whole. 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 try to make a group of 2 objects rather than share into 2 equal parts. Correction: Use the stem sentence 'the whole group of _ has been divided into 2 equal parts and there are _ in each part' alongside concrete objects so that the children can experience dividing different numbers of objects into 2 equal parts.

More Lessons In This Unit

Browse all guides in the Year 2 Maths guide library.