Free · UKG–Class 2 · 2 worksheets · answer keys · practise online · set 37

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 · set 37
Name:Date:Score:    / 12

Write the missing number.

  1. 77, 78, ___, 80, 81, 82
  2. 29, 30, ___, 32, 33, 34
  3. 17, ___, 19, 20, 21, 22
  4. 58, 59, ___, 61, 62, 63
  5. 77, 78, 79, 80, ___, 82
  6. 63, 64, 65, ___, 67, 68
  7. 60, 61, ___, 63, 64, 65
  8. 49, 50, ___, 52, 53, 54
  9. 25, 26, 27, ___, 29, 30
  10. 78, 79, ___, 81, 82, 83
  11. 72, 73, ___, 75, 76, 77
  12. 77, 78, 79, ___, 81, 82

Missing numbers (skip counting)

Class 1–2 · Worksheet 2 · set 37
Name:Date:Score:    / 12

Write the missing number.

  1. 60, 70, 80, 90, ___, 110
  2. 20, 22, 24, ___, 28, 30
  3. 70, 80, 90, 100, ___, 120
  4. 40, ___, 50, 55, 60, 65
  5. 20, ___, 24, 26, 28, 30
  6. 20, 22, ___, 26, 28, 30
  7. 12, 14, 16, 18, ___, 22
  8. 20, 30, ___, 50, 60, 70
  9. 2, 4, ___, 8, 10, 12
  10. 45, 50, 55, ___, 65, 70
  11. 2, ___, 6, 8, 10, 12
  12. 10, 12, 14, ___, 18, 20

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.