Free · UKG–Class 2 · 2 worksheets · answer keys · practise online · set 31

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 31
Name:Date:Score:    / 12

Write the missing number.

  1. 80, 81, ___, 83, 84, 85
  2. 31, 32, 33, 34, ___, 36
  3. 26, 27, 28, 29, ___, 31
  4. 93, 94, 95, 96, ___, 98
  5. 34, 35, ___, 37, 38, 39
  6. 74, 75, 76, ___, 78, 79
  7. 70, 71, 72, 73, ___, 75
  8. 22, 23, 24, ___, 26, 27
  9. 40, ___, 42, 43, 44, 45
  10. 74, 75, ___, 77, 78, 79
  11. 85, 86, 87, 88, ___, 90
  12. 60, 61, ___, 63, 64, 65

Missing numbers (skip counting)

Class 1–2 · Worksheet 2 · set 31
Name:Date:Score:    / 12

Write the missing number.

  1. 40, 45, ___, 55, 60, 65
  2. 10, ___, 14, 16, 18, 20
  3. 15, ___, 25, 30, 35, 40
  4. 8, 10, ___, 14, 16, 18
  5. 90, 100, ___, 120, 130, 140
  6. 2, 4, 6, 8, ___, 12
  7. 30, 35, 40, 45, ___, 55
  8. 16, 18, 20, ___, 24, 26
  9. 5, 10, 15, 20, ___, 30
  10. 8, ___, 12, 14, 16, 18
  11. 10, 12, 14, 16, ___, 20
  12. 50, 60, ___, 80, 90, 100

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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.