Free · UKG–Class 2 · 2 worksheets · answer keys · practise online · set 48

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 48
Name:Date:Score:    / 12

Write the missing number.

  1. 13, ___, 15, 16, 17, 18
  2. 8, 9, 10, 11, ___, 13
  3. 10, 11, 12, 13, ___, 15
  4. 87, ___, 89, 90, 91, 92
  5. 67, 68, 69, 70, ___, 72
  6. 39, 40, ___, 42, 43, 44
  7. 33, 34, 35, 36, ___, 38
  8. 1, 2, 3, 4, ___, 6
  9. 82, 83, ___, 85, 86, 87
  10. 21, ___, 23, 24, 25, 26
  11. 84, 85, 86, ___, 88, 89
  12. 6, 7, 8, 9, ___, 11

Missing numbers (skip counting)

Class 1–2 · Worksheet 2 · set 48
Name:Date:Score:    / 12

Write the missing number.

  1. 12, 14, 16, ___, 20, 22
  2. 50, ___, 70, 80, 90, 100
  3. 60, 70, 80, 90, ___, 110
  4. 30, 40, ___, 60, 70, 80
  5. 12, 14, 16, 18, ___, 22
  6. 6, 8, 10, ___, 14, 16
  7. 50, 55, 60, ___, 70, 75
  8. 18, ___, 22, 24, 26, 28
  9. 15, 20, 25, ___, 35, 40
  10. 25, 30, 35, ___, 45, 50
  11. 20, ___, 24, 26, 28, 30
  12. 80, 90, 100, 110, ___, 130

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.