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Free · UKG–Class 2 · 2 worksheets · answer keys · practise online · set 50

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 50
Name:Date:Score:    / 12

Write the missing number.

  1. 76, ___, 78, 79, 80, 81
  2. 46, 47, 48, ___, 50, 51
  3. 75, 76, 77, ___, 79, 80
  4. 61, 62, ___, 64, 65, 66
  5. 71, 72, 73, ___, 75, 76
  6. 77, ___, 79, 80, 81, 82
  7. 25, 26, ___, 28, 29, 30
  8. 5, ___, 7, 8, 9, 10
  9. 86, 87, 88, ___, 90, 91
  10. 76, 77, ___, 79, 80, 81
  11. 71, 72, ___, 74, 75, 76
  12. 56, ___, 58, 59, 60, 61

Missing numbers (skip counting)

Class 1–2 · Worksheet 2 · set 50
Name:Date:Score:    / 12

Write the missing number.

  1. 40, ___, 60, 70, 80, 90
  2. 40, ___, 50, 55, 60, 65
  3. 30, ___, 50, 60, 70, 80
  4. 40, 45, 50, 55, ___, 65
  5. 14, 16, ___, 20, 22, 24
  6. 14, ___, 18, 20, 22, 24
  7. 2, 4, 6, ___, 10, 12
  8. 12, ___, 16, 18, 20, 22
  9. 80, 90, 100, 110, ___, 130
  10. 45, 50, 55, ___, 65, 70
  11. 60, ___, 80, 90, 100, 110
  12. 90, 100, ___, 120, 130, 140

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.