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Free · UKG–Class 2 · 2 worksheets · answer keys · practise online · set 24

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 24
Name:Date:Score:    / 12

Write the missing number.

  1. 60, 61, 62, 63, ___, 65
  2. 81, 82, 83, ___, 85, 86
  3. 48, 49, ___, 51, 52, 53
  4. 34, ___, 36, 37, 38, 39
  5. 10, 11, ___, 13, 14, 15
  6. 69, 70, 71, ___, 73, 74
  7. 28, 29, 30, 31, ___, 33
  8. 68, 69, 70, 71, ___, 73
  9. 78, ___, 80, 81, 82, 83
  10. 26, 27, 28, 29, ___, 31
  11. 30, 31, 32, ___, 34, 35
  12. 19, 20, 21, ___, 23, 24

Missing numbers (skip counting)

Class 1–2 · Worksheet 2 · set 24
Name:Date:Score:    / 12

Write the missing number.

  1. 2, 4, ___, 8, 10, 12
  2. 15, 20, 25, ___, 35, 40
  3. 50, 55, 60, 65, ___, 75
  4. 12, ___, 16, 18, 20, 22
  5. 25, 30, ___, 40, 45, 50
  6. 2, 4, 6, ___, 10, 12
  7. 30, 35, 40, 45, ___, 55
  8. 10, 15, 20, 25, ___, 35
  9. 20, ___, 40, 50, 60, 70
  10. 8, 10, ___, 14, 16, 18
  11. 10, 15, 20, ___, 30, 35
  12. 50, ___, 70, 80, 90, 100

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.