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Free · UKG–Class 2 · 2 worksheets · answer keys · practise online · set 49

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 49
Name:Date:Score:    / 12

Write the missing number.

  1. 21, ___, 23, 24, 25, 26
  2. 52, 53, 54, ___, 56, 57
  3. 82, 83, ___, 85, 86, 87
  4. 17, 18, 19, 20, ___, 22
  5. 44, ___, 46, 47, 48, 49
  6. 31, 32, 33, 34, ___, 36
  7. 1, 2, ___, 4, 5, 6
  8. 85, ___, 87, 88, 89, 90
  9. 20, 21, 22, 23, ___, 25
  10. 14, ___, 16, 17, 18, 19
  11. 67, 68, ___, 70, 71, 72
  12. 87, 88, ___, 90, 91, 92

Missing numbers (skip counting)

Class 1–2 · Worksheet 2 · set 49
Name:Date:Score:    / 12

Write the missing number.

  1. 10, 15, 20, 25, ___, 35
  2. 16, ___, 20, 22, 24, 26
  3. 2, 4, 6, ___, 10, 12
  4. 16, 18, 20, ___, 24, 26
  5. 35, 40, ___, 50, 55, 60
  6. 20, 22, ___, 26, 28, 30
  7. 40, 45, 50, 55, ___, 65
  8. 30, ___, 50, 60, 70, 80
  9. 80, ___, 100, 110, 120, 130
  10. 80, 90, ___, 110, 120, 130
  11. 40, 50, 60, ___, 80, 90
  12. 6, 8, 10, 12, ___, 16

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.