Free · UKG–Class 2 · 2 worksheets · answer keys · practise online · set 38

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 38
Name:Date:Score:    / 12

Write the missing number.

  1. 76, 77, 78, ___, 80, 81
  2. 31, 32, ___, 34, 35, 36
  3. 47, 48, ___, 50, 51, 52
  4. 80, 81, 82, 83, ___, 85
  5. 57, 58, ___, 60, 61, 62
  6. 54, 55, ___, 57, 58, 59
  7. 50, ___, 52, 53, 54, 55
  8. 4, 5, ___, 7, 8, 9
  9. 53, 54, 55, 56, ___, 58
  10. 16, 17, ___, 19, 20, 21
  11. 45, 46, ___, 48, 49, 50
  12. 20, 21, 22, 23, ___, 25

Missing numbers (skip counting)

Class 1–2 · Worksheet 2 · set 38
Name:Date:Score:    / 12

Write the missing number.

  1. 90, ___, 110, 120, 130, 140
  2. 100, 110, 120, 130, ___, 150
  3. 6, 8, 10, 12, ___, 16
  4. 20, ___, 24, 26, 28, 30
  5. 60, 70, 80, 90, ___, 110
  6. 10, 15, 20, 25, ___, 35
  7. 16, 18, 20, 22, ___, 26
  8. 20, 22, ___, 26, 28, 30
  9. 18, 20, 22, 24, ___, 28
  10. 10, 12, 14, ___, 18, 20
  11. 6, 8, 10, ___, 14, 16
  12. 14, 16, 18, ___, 22, 24

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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.