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Free · UKG–Class 2 · 2 worksheets · answer keys · practise online · set 86

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 86
Name:Date:Score:    / 12

Write the missing number.

  1. 5, 6, ___, 8, 9, 10
  2. 38, 39, 40, ___, 42, 43
  3. 28, ___, 30, 31, 32, 33
  4. 57, 58, 59, 60, ___, 62
  5. 58, 59, 60, ___, 62, 63
  6. 56, ___, 58, 59, 60, 61
  7. 7, ___, 9, 10, 11, 12
  8. 23, 24, ___, 26, 27, 28
  9. 73, 74, ___, 76, 77, 78
  10. 75, 76, 77, ___, 79, 80
  11. 54, 55, ___, 57, 58, 59
  12. 64, 65, 66, ___, 68, 69

Missing numbers (skip counting)

Class 1–2 · Worksheet 2 · set 86
Name:Date:Score:    / 12

Write the missing number.

  1. 70, 80, ___, 100, 110, 120
  2. 20, 25, ___, 35, 40, 45
  3. 40, 50, 60, ___, 80, 90
  4. 6, 8, 10, 12, ___, 16
  5. 5, 10, ___, 20, 25, 30
  6. 40, ___, 60, 70, 80, 90
  7. 40, 45, 50, 55, ___, 65
  8. 60, 70, ___, 90, 100, 110
  9. 25, 30, 35, ___, 45, 50
  10. 70, ___, 90, 100, 110, 120
  11. 45, 50, 55, ___, 65, 70
  12. 50, 55, 60, 65, ___, 75

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.