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Free · UKG–Class 2 · 2 worksheets · answer keys · practise online · set 78

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 78
Name:Date:Score:    / 12

Write the missing number.

  1. 56, 57, 58, ___, 60, 61
  2. 81, ___, 83, 84, 85, 86
  3. 74, 75, 76, ___, 78, 79
  4. 70, ___, 72, 73, 74, 75
  5. 91, ___, 93, 94, 95, 96
  6. 15, 16, 17, ___, 19, 20
  7. 10, 11, 12, 13, ___, 15
  8. 80, 81, 82, ___, 84, 85
  9. 79, 80, 81, 82, ___, 84
  10. 35, ___, 37, 38, 39, 40
  11. 10, ___, 12, 13, 14, 15
  12. 78, ___, 80, 81, 82, 83

Missing numbers (skip counting)

Class 1–2 · Worksheet 2 · set 78
Name:Date:Score:    / 12

Write the missing number.

  1. 20, 22, 24, ___, 28, 30
  2. 14, 16, 18, ___, 22, 24
  3. 50, 55, 60, ___, 70, 75
  4. 20, ___, 30, 35, 40, 45
  5. 15, 20, 25, 30, ___, 40
  6. 2, 4, ___, 8, 10, 12
  7. 60, ___, 80, 90, 100, 110
  8. 12, 14, 16, 18, ___, 22
  9. 16, 18, 20, 22, ___, 26
  10. 35, 40, 45, ___, 55, 60
  11. 90, 100, 110, ___, 130, 140
  12. 2, 4, 6, ___, 10, 12

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.