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Free · UKG–Class 2 · 2 worksheets · answer keys · practise online · set 18

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 18
Name:Date:Score:    / 12

Write the missing number.

  1. 89, 90, 91, 92, ___, 94
  2. 80, 81, 82, ___, 84, 85
  3. 76, ___, 78, 79, 80, 81
  4. 34, 35, 36, 37, ___, 39
  5. 58, ___, 60, 61, 62, 63
  6. 35, ___, 37, 38, 39, 40
  7. 32, 33, 34, 35, ___, 37
  8. 22, ___, 24, 25, 26, 27
  9. 94, 95, 96, 97, ___, 99
  10. 79, ___, 81, 82, 83, 84
  11. 28, ___, 30, 31, 32, 33
  12. 10, 11, 12, ___, 14, 15

Missing numbers (skip counting)

Class 1–2 · Worksheet 2 · set 18
Name:Date:Score:    / 12

Write the missing number.

  1. 20, ___, 24, 26, 28, 30
  2. 80, 90, 100, ___, 120, 130
  3. 60, ___, 80, 90, 100, 110
  4. 30, 35, ___, 45, 50, 55
  5. 40, ___, 60, 70, 80, 90
  6. 30, 40, ___, 60, 70, 80
  7. 50, ___, 70, 80, 90, 100
  8. 10, 12, 14, ___, 18, 20
  9. 50, 55, 60, 65, ___, 75
  10. 8, 10, ___, 14, 16, 18
  11. 90, 100, ___, 120, 130, 140
  12. 45, 50, ___, 60, 65, 70

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.