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Free · UKG–Class 2 · 2 worksheets · answer keys · practise online · set 23

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 23
Name:Date:Score:    / 12

Write the missing number.

  1. 49, ___, 51, 52, 53, 54
  2. 75, 76, 77, ___, 79, 80
  3. 56, 57, ___, 59, 60, 61
  4. 32, 33, 34, 35, ___, 37
  5. 28, 29, ___, 31, 32, 33
  6. 63, ___, 65, 66, 67, 68
  7. 37, 38, 39, ___, 41, 42
  8. 84, ___, 86, 87, 88, 89
  9. 37, 38, ___, 40, 41, 42
  10. 40, 41, ___, 43, 44, 45
  11. 65, 66, ___, 68, 69, 70
  12. 45, 46, 47, 48, ___, 50

Missing numbers (skip counting)

Class 1–2 · Worksheet 2 · set 23
Name:Date:Score:    / 12

Write the missing number.

  1. 18, 20, 22, ___, 26, 28
  2. 40, 50, 60, 70, ___, 90
  3. 16, 18, ___, 22, 24, 26
  4. 90, 100, ___, 120, 130, 140
  5. 4, 6, 8, 10, ___, 14
  6. 30, 35, 40, 45, ___, 55
  7. 35, ___, 45, 50, 55, 60
  8. 50, ___, 60, 65, 70, 75
  9. 4, 6, ___, 10, 12, 14
  10. 20, 25, 30, 35, ___, 45
  11. 20, 30, 40, 50, ___, 70
  12. 12, 14, 16, ___, 20, 22

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.