AC9M2A02 • Year 2 Maths

Addition Facts to 20 and Related Subtraction

recall and demonstrate proficiency with addition facts to 20; extend and apply facts to develop related subtraction facts

Choose a learning activity. Practice and Test use short shuffled attempts. Repeat quiz practice to access more of the full question bank.

Unit focus

  • Addition facts to 20 support fast calculation. Related subtraction facts use the same whole and parts.
  • Use this routine: Recall → Relate → Check → Apply.
  • Watch for counting all every time: Use known facts, doubles or make ten.