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Free · UKG–Class 2 · 2 worksheets · answer keys · practise online · set 73

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 73
Name:Date:Score:    / 12

Write the missing number.

  1. 72, 73, 74, ___, 76, 77
  2. 45, 46, 47, 48, ___, 50
  3. 62, ___, 64, 65, 66, 67
  4. 69, 70, 71, ___, 73, 74
  5. 82, 83, ___, 85, 86, 87
  6. 45, 46, ___, 48, 49, 50
  7. 59, ___, 61, 62, 63, 64
  8. 58, 59, 60, 61, ___, 63
  9. 60, 61, 62, 63, ___, 65
  10. 12, 13, 14, 15, ___, 17
  11. 71, 72, ___, 74, 75, 76
  12. 65, 66, 67, 68, ___, 70

Missing numbers (skip counting)

Class 1–2 · Worksheet 2 · set 73
Name:Date:Score:    / 12

Write the missing number.

  1. 12, 14, ___, 18, 20, 22
  2. 10, 20, ___, 40, 50, 60
  3. 30, 35, ___, 45, 50, 55
  4. 14, 16, 18, 20, ___, 24
  5. 40, 45, ___, 55, 60, 65
  6. 80, ___, 100, 110, 120, 130
  7. 25, ___, 35, 40, 45, 50
  8. 40, ___, 50, 55, 60, 65
  9. 8, 10, 12, 14, ___, 18
  10. 90, 100, 110, 120, ___, 140
  11. 8, 10, 12, ___, 16, 18
  12. 10, 15, 20, 25, ___, 35

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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.