Related addition facts

Key notes:-

  • You can add numbers in either order. You will get the same sum. Related addition facts use the same numbers.

Learn with an example

🎤 Which is the related addition fact for 3 + 1 = 4?

  • 3 + 4 = 7
  • 1 + 4 = 5
  • 1 + 3 = 4
  • 4 + 1 = 5
  • This is an addition fact.
  • 3 + 1 = 4
  • This is the related fact.
  • 1 + 3 = 4
  • Notice how the 3 and the 1 changed places.

🎤 Which is the related addition fact for 7 + 0 = 7?

  • 0 + 0 = 0
  • 2 + 7 = 9
  • 1 + 7 = 8
  • 0 + 7 = 7
  • This is an addition fact.
  • 7 + 0 = 7
  • This is the related fact.
  • 0 + 7 = 7
  • Notice how the 7 and the 0 changed places.

🎤 Which is the related addition fact for 2 + 7 = 9?

  • 8 + 2 = 10
  • 7 + 3 = 10
  • 7 + 1 = 8
  • 7 + 2 = 9
  • This is an addition fact.
  • 2 + 7 = 9
  • This is the related fact.
  • 7 + 2 = 9
  • Notice how the 2 and the 7 changed places.

Let’s practice!