Free · UKG–Class 2 · 2 worksheets · answer keys · practise online · set 42

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 42
Name:Date:Score:    / 12

Write the missing number.

  1. 55, ___, 57, 58, 59, 60
  2. 93, 94, 95, 96, ___, 98
  3. 65, 66, 67, 68, ___, 70
  4. 94, ___, 96, 97, 98, 99
  5. 45, ___, 47, 48, 49, 50
  6. 25, 26, 27, ___, 29, 30
  7. 29, 30, 31, 32, ___, 34
  8. 16, ___, 18, 19, 20, 21
  9. 31, 32, 33, 34, ___, 36
  10. 92, ___, 94, 95, 96, 97
  11. 44, 45, 46, 47, ___, 49
  12. 57, 58, 59, ___, 61, 62

Missing numbers (skip counting)

Class 1–2 · Worksheet 2 · set 42
Name:Date:Score:    / 12

Write the missing number.

  1. 5, 10, 15, ___, 25, 30
  2. 2, 4, ___, 8, 10, 12
  3. 5, 10, ___, 20, 25, 30
  4. 45, ___, 55, 60, 65, 70
  5. 10, ___, 20, 25, 30, 35
  6. 6, 8, ___, 12, 14, 16
  7. 30, 35, 40, 45, ___, 55
  8. 18, 20, ___, 24, 26, 28
  9. 2, ___, 6, 8, 10, 12
  10. 60, ___, 80, 90, 100, 110
  11. 6, ___, 10, 12, 14, 16
  12. 5, 10, 15, 20, ___, 30

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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.