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Free · UKG–Class 2 · 2 worksheets · answer keys · practise online · set 45

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 45
Name:Date:Score:    / 12

Write the missing number.

  1. 71, 72, 73, 74, ___, 76
  2. 78, 79, 80, 81, ___, 83
  3. 16, ___, 18, 19, 20, 21
  4. 31, ___, 33, 34, 35, 36
  5. 51, 52, 53, ___, 55, 56
  6. 58, 59, 60, 61, ___, 63
  7. 21, 22, ___, 24, 25, 26
  8. 46, ___, 48, 49, 50, 51
  9. 73, 74, 75, 76, ___, 78
  10. 34, 35, 36, 37, ___, 39
  11. 3, 4, 5, ___, 7, 8
  12. 52, 53, 54, ___, 56, 57

Missing numbers (skip counting)

Class 1–2 · Worksheet 2 · set 45
Name:Date:Score:    / 12

Write the missing number.

  1. 30, ___, 50, 60, 70, 80
  2. 10, ___, 20, 25, 30, 35
  3. 50, 55, 60, ___, 70, 75
  4. 6, 8, 10, 12, ___, 16
  5. 90, 100, 110, 120, ___, 140
  6. 12, 14, ___, 18, 20, 22
  7. 40, 50, 60, 70, ___, 90
  8. 25, 30, 35, ___, 45, 50
  9. 100, 110, 120, ___, 140, 150
  10. 5, ___, 15, 20, 25, 30
  11. 70, 80, ___, 100, 110, 120
  12. 20, 22, ___, 26, 28, 30

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.