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Fact families to 18

Grade 2

What this lesson shows

6, 9 and 15. These three belong together — and once you know how, they give you four facts for the price of one.

Try it yourself

Real questions from this lesson's worksheets — answers below each one.

  1. 6 + ___ = 7
    Show answer
    1
  2. 1 + 6
    Show answer
    7
  3. 1 + 2
    Show answer
    3
  4. 2 + ___ = 8
    Show answer
    6

Practise this every day

Eduyro gives your child a short daily worksheet on exactly this skill, and moves them on only once they have it. Watch the lesson, then build the fluency.

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