Addition sentences using number lines – sums up to 18

Key Notes:

  • To add on a number line, count on.

Learn with an example

🔎 Which addition sentence does this model show?

  • 5 + 7 = 12
  • 5 + 3 = 8
  • 3 + 3 = 6
  • 4 + 7 = 11
  • Start at 5 and count on 3. The result is 8.
  • The addition number sentence is:
  • 5 + 3 = 8

🔎Which addition sentence does this model show?

  • 7 + 2 = 9
  • 3 + 5 = 8
  • 7 + 5 = 12
  • 5 + 2 = 7
  • Start at 7 and count on 2. The result is 9.
  • The addition number sentence is:
  • 7 + 2 = 9

🔎Which addition sentence does this model show?

  • 5 + 4 = 9
  • 5 + 7 = 12
  • 5 + 5 = 10
  • 5 + 6 = 11
  • Start at 5 and count on 4. The result is 9.
  • The addition number sentence is:
  • 5 + 4 = 9

Let’s practice!