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🔢 Kindergarten math · Counting & Numbers

Count to 100

Counting by ones adds 1. Counting by tens adds 10. 10, 20, 30, 40, and so on to 100.

Worked example

Count by ones. What number goes where the ? is? 12, 13, 14, ?
Answer: 15
Counting by ones adds 1 each time. The numbers go 12, 13, 14, 15. Answer: 15.

For grown-ups: Count to 100 by ones and tens. Below: three problems to try with the worked answers, and a free printable sheet. Children can practise the same skill as a game, with no sign-up and no ads.

  • CCSS K.CC.A.1
What this practises, for teachers

Practices count to 100 by ones and tens (K.CC.A.1). A printable sheet with its answer key, worked answers on the page, no accounts.

▶ Practise it

For your class

🖨️ Printable sheet and key

On the board with this skill:

Try three

  1. Count by ones. What number goes where the ? is? 2, 3, 4, 5, ?
    Show the answer and how
    Answer: 6
    Counting by ones adds 1 each time. The numbers go 2, 3, 4, 5, 6. Answer: 6.
  2. Count by tens. What number goes where the ? is? 10, 20, ?, 40
    Show the answer and how
    Answer: 30
    Counting by tens adds 10 each time. The numbers go 10, 20, 30, 40. Answer: 30.
  3. Count by ones. What number goes where the ? is? 79, 80, 81, 82, ?
    Show the answer and how
    Answer: 83
    Counting by ones adds 1 each time. The numbers go 79, 80, 81, 82, 83. Answer: 83.

Before and after

Learn first: Count a group of things (K)

Name: ____________________Date: ____________Score: ____ / 12

Count to 100 (Kindergarten)

  1. Count by ones. What number goes where the ? is? 4, 5, 6, ?
  2. Count by ones. What number goes where the ? is? 9, 10, ?
  3. Count by ones. What number goes where the ? is? 8, 9, ?
  4. Count by ones. What number goes where the ? is? 13, 14, ?
  5. Count by tens. What number goes where the ? is? 50, 60, 70, ?
  6. Count by tens. What number goes where the ? is? 60, 70, ?
  7. Count by ones. What number goes where the ? is? 11, 12, ?, 14
  8. Count by tens. What number goes where the ? is? 50, ?, 70
  9. Count by tens. What number goes where the ? is? 50, ?, 70, 80, 90
  10. Count by tens. What number goes where the ? is? 30, ?, 50, 60, 70
  11. Count by tens. What number goes where the ? is? 10, ?, 30
  12. Count by ones. What number goes where the ? is? 85, 86, ?

Answer key

  1. 7
  2. 11
  3. 10
  4. 15
  5. 80
  6. 80
  7. 13
  8. 60
  9. 60
  10. 40
  11. 20
  12. 87

More kindergarten skills: all kindergarten math skills, or every grade at math skills.