EnglishYear 4Spelling

Use prefixes in-, il-, im-, ir-

Add prefixes in-, il-, im- and ir- meaning ‘not’ (inactive, illegal, impossible, irregular, immature, irresponsible)

What you'll learn

  1. 1

    Let's play with words! Adding 'in' to the front of a word can change its meaning to 'not'.

  2. 2

    What does 'inactive' mean?

  3. 3

    Tap the right letter pair to make 'il' + 'legal' = 'illegal'.

  4. 4

    Let's change 'possible' to mean 'not possible'.

  5. 5

    Build the word that means 'not responsible'.

  6. 6

    Which prefix goes before 'regular' to mean 'not regular'?

  7. 7

    Which prefix goes before 'possible' to mean 'not possible'?

Practise Use prefixes in-, il-, im-, ir- with Whizlo

Free AI-tutored lessons, unlimited practice questions, and progress tracking for ages 8–9. Aligned to the UK National Curriculum.