Addition and subtraction – ways to make a number – up to 20

Learn with an example

🎯 Select all of the ways to make 18.

  • 7 + 11
  • 14 + 6
  • 10 + 9
  • 19 − 1
  • These are ways to make 18:
  • 7 + 11 = 18
    19 − 1 = 18
  • These are not ways to make 18:
  • 14 + 6 = 20
    10 + 9 = 19

🎯 Select all of the ways to make 15.

  • 18 − 3
  • 1 + 14
  • 10 + 5
  • 16 − 1
  • These are ways to make 15:
  • 18 − 3 = 15
    1 + 14 = 15
    10 + 5 = 15
    16 − 1 = 15

🎯 How do you make 14?

  • 0 + 15
  • 16 − 2
  • 9 + 6
  • 0 + 13
  • This is a way to make 14:
  • 16 − 2 = 14
  • These are not ways to make 14:
  • 0 + 15 = 15
    9 + 6 = 15
    0 + 13 = 13

Let’s practice!🖊️