Free · UKG–Class 2 · 2 worksheets · answer keys · practise online

Missing numbers worksheets — fill in the gaps

Free missing numbers worksheets for UKG, Class 1 and 2: counting by ones and skip counting by 2s, 5s and 10s — new numbers every set, with answers.

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Missing numbers (count by 1s) (UKG–Class 1)Missing numbers (skip counting) (Class 1–2)

Missing numbers (count by 1s)

UKG–Class 1 · Worksheet 1
Name:Date:Score:    / 12

Write the missing number.

  1. 66, 67, 68, ___, 70, 71
  2. 25, 26, 27, ___, 29, 30
  3. 13, ___, 15, 16, 17, 18
  4. 12, ___, 14, 15, 16, 17
  5. 25, ___, 27, 28, 29, 30
  6. 79, ___, 81, 82, 83, 84
  7. 84, 85, 86, ___, 88, 89
  8. 41, 42, 43, 44, ___, 46
  9. 4, ___, 6, 7, 8, 9
  10. 50, 51, 52, 53, ___, 55
  11. 64, 65, 66, ___, 68, 69
  12. 26, 27, 28, 29, ___, 31

Missing numbers (skip counting)

Class 1–2 · Worksheet 2
Name:Date:Score:    / 12

Write the missing number.

  1. 35, 40, ___, 50, 55, 60
  2. 50, 55, 60, ___, 70, 75
  3. 30, 40, 50, 60, ___, 80
  4. 10, 12, ___, 16, 18, 20
  5. 12, 14, ___, 18, 20, 22
  6. 6, ___, 10, 12, 14, 16
  7. 2, 4, 6, 8, ___, 12
  8. 45, ___, 55, 60, 65, 70
  9. 10, ___, 30, 40, 50, 60
  10. 25, ___, 35, 40, 45, 50
  11. 30, ___, 50, 60, 70, 80
  12. 20, ___, 30, 35, 40, 45

More worksheets

Questions

How do I help my child find missing numbers?

Say the sequence aloud together and pause at the gap — the child usually hears what comes next.

Are these worksheets free?

Yes — print them or save as PDF free. Every worksheet has an answer key.

How do I get different questions?

Press “🔄 New set” — the questions change (maths numbers are new every time; English sentences are shuffled).

How do I print only one worksheet?

Press “🖨️ Print” on that worksheet. Tick “with answer key” if you want the answers on a second page.

Can my child do this worksheet online, like a quiz?

Yes — press “▶️ Practise online” on any worksheet. The questions come one at a time with instant marking, a score at the end and a review of mistakes. No sign-in is needed.