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Free · UKG–Class 2 · 2 worksheets · answer keys · practise online · set 29

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 29
Name:Date:Score:    / 12

Write the missing number.

  1. 69, 70, ___, 72, 73, 74
  2. 4, 5, ___, 7, 8, 9
  3. 93, 94, 95, ___, 97, 98
  4. 66, ___, 68, 69, 70, 71
  5. 85, ___, 87, 88, 89, 90
  6. 36, 37, 38, 39, ___, 41
  7. 1, 2, 3, ___, 5, 6
  8. 35, ___, 37, 38, 39, 40
  9. 26, 27, 28, ___, 30, 31
  10. 32, 33, 34, ___, 36, 37
  11. 77, 78, 79, 80, ___, 82
  12. 48, 49, ___, 51, 52, 53

Missing numbers (skip counting)

Class 1–2 · Worksheet 2 · set 29
Name:Date:Score:    / 12

Write the missing number.

  1. 15, 20, 25, ___, 35, 40
  2. 30, 35, 40, ___, 50, 55
  3. 20, 30, 40, ___, 60, 70
  4. 14, ___, 18, 20, 22, 24
  5. 40, 45, ___, 55, 60, 65
  6. 20, 30, 40, 50, ___, 70
  7. 15, 20, ___, 30, 35, 40
  8. 70, 80, 90, 100, ___, 120
  9. 10, 15, 20, ___, 30, 35
  10. 30, 35, 40, 45, ___, 55
  11. 14, 16, 18, ___, 22, 24
  12. 100, 110, 120, 130, ___, 150

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.