Free · UKG–Class 2 · 2 worksheets · answer keys · practise online · set 25

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 25
Name:Date:Score:    / 12

Write the missing number.

  1. 72, 73, ___, 75, 76, 77
  2. 18, 19, 20, 21, ___, 23
  3. 72, ___, 74, 75, 76, 77
  4. 20, ___, 22, 23, 24, 25
  5. 52, 53, 54, ___, 56, 57
  6. 35, 36, ___, 38, 39, 40
  7. 45, 46, ___, 48, 49, 50
  8. 93, 94, ___, 96, 97, 98
  9. 7, ___, 9, 10, 11, 12
  10. 9, ___, 11, 12, 13, 14
  11. 67, 68, 69, 70, ___, 72
  12. 75, 76, 77, ___, 79, 80

Missing numbers (skip counting)

Class 1–2 · Worksheet 2 · set 25
Name:Date:Score:    / 12

Write the missing number.

  1. 20, 22, 24, 26, ___, 30
  2. 45, 50, 55, ___, 65, 70
  3. 25, 30, ___, 40, 45, 50
  4. 40, ___, 50, 55, 60, 65
  5. 10, ___, 30, 40, 50, 60
  6. 6, 8, 10, 12, ___, 16
  7. 30, 35, 40, ___, 50, 55
  8. 100, 110, 120, 130, ___, 150
  9. 70, ___, 90, 100, 110, 120
  10. 20, 25, ___, 35, 40, 45
  11. 6, 8, ___, 12, 14, 16
  12. 40, 45, 50, 55, ___, 65

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.