Free · UKG–Class 2 · 2 worksheets · answer keys · practise online · set 30

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 30
Name:Date:Score:    / 12

Write the missing number.

  1. 23, 24, 25, 26, ___, 28
  2. 1, 2, 3, ___, 5, 6
  3. 48, ___, 50, 51, 52, 53
  4. 15, 16, ___, 18, 19, 20
  5. 77, ___, 79, 80, 81, 82
  6. 7, 8, 9, ___, 11, 12
  7. 8, 9, ___, 11, 12, 13
  8. 23, 24, 25, ___, 27, 28
  9. 32, 33, 34, ___, 36, 37
  10. 43, ___, 45, 46, 47, 48
  11. 53, 54, 55, ___, 57, 58
  12. 33, 34, ___, 36, 37, 38

Missing numbers (skip counting)

Class 1–2 · Worksheet 2 · set 30
Name:Date:Score:    / 12

Write the missing number.

  1. 30, ___, 50, 60, 70, 80
  2. 30, ___, 40, 45, 50, 55
  3. 2, 4, 6, 8, ___, 12
  4. 12, 14, 16, 18, ___, 22
  5. 20, ___, 24, 26, 28, 30
  6. 2, 4, ___, 8, 10, 12
  7. 20, 25, ___, 35, 40, 45
  8. 35, ___, 45, 50, 55, 60
  9. 4, ___, 8, 10, 12, 14
  10. 30, 35, ___, 45, 50, 55
  11. 40, 45, ___, 55, 60, 65
  12. 20, 30, 40, 50, ___, 70

More worksheets

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.