Free · UKG–Class 2 · 2 worksheets · answer keys · practise online · set 56

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 56
Name:Date:Score:    / 12

Write the missing number.

  1. 73, 74, ___, 76, 77, 78
  2. 20, ___, 22, 23, 24, 25
  3. 65, 66, 67, ___, 69, 70
  4. 60, 61, 62, 63, ___, 65
  5. 45, ___, 47, 48, 49, 50
  6. 64, ___, 66, 67, 68, 69
  7. 18, 19, ___, 21, 22, 23
  8. 48, 49, 50, 51, ___, 53
  9. 17, 18, 19, 20, ___, 22
  10. 58, 59, 60, ___, 62, 63
  11. 41, ___, 43, 44, 45, 46
  12. 9, 10, 11, ___, 13, 14

Missing numbers (skip counting)

Class 1–2 · Worksheet 2 · set 56
Name:Date:Score:    / 12

Write the missing number.

  1. 50, 55, 60, 65, ___, 75
  2. 2, ___, 6, 8, 10, 12
  3. 16, ___, 20, 22, 24, 26
  4. 10, 12, 14, ___, 18, 20
  5. 80, 90, 100, 110, ___, 130
  6. 10, 15, 20, ___, 30, 35
  7. 20, 30, ___, 50, 60, 70
  8. 30, 35, 40, ___, 50, 55
  9. 50, 60, 70, 80, ___, 100
  10. 25, 30, 35, ___, 45, 50
  11. 40, 45, 50, 55, ___, 65
  12. 20, 22, ___, 26, 28, 30

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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.