Subtraction sentences using number lines – numbers up to 18

Key notes:

  • To subtract on a number line, count back.

Learn with an example

🎲Which subtraction sentence does this model show?

  • 5 – 4 = 1
  • 6 – 1 = 5
  • 5 – 5 = 0
  • 5 – 1 = 4
  • Start at 5 and count back 1. The result is 4.
  • The subtraction number sentence is:
  • 5–1=4

🎲Which subtraction sentence does this model show?

  • 6 – 4 = 2
  • 8 – 1 = 7
  • 6 – 1 = 5
  • 6 – 5 = 1
  • Start at 6 and count back 1. The result is 5.
  • The subtraction number sentence is:
  • 6–1=5

🎲Which subtraction sentence does this model show?

  • 10 – 7 = 3
  • 8 – 4 = 4
  • 8 – 5 = 3
  • 10 – 4 = 6
  • Start at 8 and count back 4. The result is 4.
  • The subtraction number sentence is:
  • 8–4=4

Let’s practice!