Free · UKG–Class 2 · 2 worksheets · answer keys · practise online · set 20

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 20
Name:Date:Score:    / 12

Write the missing number.

  1. 63, 64, ___, 66, 67, 68
  2. 32, 33, 34, ___, 36, 37
  3. 4, ___, 6, 7, 8, 9
  4. 26, ___, 28, 29, 30, 31
  5. 94, 95, 96, 97, ___, 99
  6. 78, 79, ___, 81, 82, 83
  7. 24, 25, 26, 27, ___, 29
  8. 28, 29, 30, 31, ___, 33
  9. 5, ___, 7, 8, 9, 10
  10. 14, 15, 16, 17, ___, 19
  11. 32, ___, 34, 35, 36, 37
  12. 25, ___, 27, 28, 29, 30

Missing numbers (skip counting)

Class 1–2 · Worksheet 2 · set 20
Name:Date:Score:    / 12

Write the missing number.

  1. 6, 8, ___, 12, 14, 16
  2. 30, 40, 50, 60, ___, 80
  3. 14, 16, 18, ___, 22, 24
  4. 50, 60, ___, 80, 90, 100
  5. 50, 60, 70, 80, ___, 100
  6. 100, 110, 120, ___, 140, 150
  7. 10, 20, 30, 40, ___, 60
  8. 90, ___, 110, 120, 130, 140
  9. 80, 90, ___, 110, 120, 130
  10. 5, 10, 15, ___, 25, 30
  11. 16, 18, ___, 22, 24, 26
  12. 15, 20, 25, ___, 35, 40

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.