← Back to the activity

Year 1 Maths — Counting to 20

Count forwards to 20 and say which number comes next.

Name: ________________________

Before you start

Have a wander along the line. Nothing here is right or wrong.

02468101214161820

Every step to the right is exactly one more than the step before.

  1. 1.What number comes before 12?

    • a) 20
    • b) 13
    • c) 11
    • d) 10

  2. 2.How many stars? ★ ★ ★ ★ ★ ★ ★

    • a) 6
    • b) 7
    • c) 8
    • d) 9

  3. 3.Put these numbers in order, smallest first.

    • 5
    • 3
    • 8
    • 11

  4. 4.Put these numbers in order, smallest first.

    • 9
    • 13
    • 18
    • 6

  5. 5.Match each number to the number that comes just after it.

    • 4
    • 10
    • 16
    • 18
    • 17
    • 11
    • 5
    • 19

  6. 6.Start at 12 and count on 5. Tap where you land.

    Mark the line with an X.

    02468101214161820

  7. 7.Sort each number by whether it is less than 10 or more than 10.

    Groups: Less than 10 · More than 10

    • 12
    • 17
    • 19
    • 4
    • 3
    • 8

  8. 8.What number comes after 15?

Answer key — Year 1 Maths — Counting to 20

  1. 1. c) 11
  2. 2. b) 7
  3. 3. 1. 3 2. 5 3. 8 4. 11
  4. 4. 1. 6 2. 9 3. 13 4. 18
  5. 5. 4 → 5; 10 → 11; 16 → 17; 18 → 19
  6. 6. 17
  7. 7. 4 → Less than 10; 17 → More than 10; 8 → Less than 10; 12 → More than 10; 3 → Less than 10; 19 → More than 10
  8. 8. 16