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Free · UKG–Class 2 · 2 worksheets · answer keys · practise online · set 53

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 53
Name:Date:Score:    / 12

Write the missing number.

  1. 49, 50, 51, ___, 53, 54
  2. 83, ___, 85, 86, 87, 88
  3. 56, ___, 58, 59, 60, 61
  4. 35, ___, 37, 38, 39, 40
  5. 54, 55, 56, ___, 58, 59
  6. 9, 10, ___, 12, 13, 14
  7. 57, 58, ___, 60, 61, 62
  8. 3, 4, 5, ___, 7, 8
  9. 17, 18, ___, 20, 21, 22
  10. 48, 49, 50, ___, 52, 53
  11. 10, 11, 12, 13, ___, 15
  12. 73, 74, 75, ___, 77, 78

Missing numbers (skip counting)

Class 1–2 · Worksheet 2 · set 53
Name:Date:Score:    / 12

Write the missing number.

  1. 10, 20, ___, 40, 50, 60
  2. 15, 20, 25, ___, 35, 40
  3. 80, 90, ___, 110, 120, 130
  4. 18, 20, ___, 24, 26, 28
  5. 20, 25, 30, 35, ___, 45
  6. 50, 60, ___, 80, 90, 100
  7. 30, ___, 40, 45, 50, 55
  8. 16, 18, 20, 22, ___, 26
  9. 45, 50, 55, ___, 65, 70
  10. 45, 50, 55, 60, ___, 70
  11. 30, ___, 50, 60, 70, 80
  12. 18, 20, 22, 24, ___, 28

More worksheets

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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.