Free · UKG–Class 2 · 2 worksheets · answer keys · practise online · set 71

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 71
Name:Date:Score:    / 12

Write the missing number.

  1. 26, 27, 28, 29, ___, 31
  2. 71, 72, 73, ___, 75, 76
  3. 92, ___, 94, 95, 96, 97
  4. 42, 43, 44, ___, 46, 47
  5. 23, 24, ___, 26, 27, 28
  6. 17, 18, ___, 20, 21, 22
  7. 66, ___, 68, 69, 70, 71
  8. 30, 31, 32, ___, 34, 35
  9. 9, 10, 11, 12, ___, 14
  10. 67, 68, 69, ___, 71, 72
  11. 4, 5, 6, ___, 8, 9
  12. 18, 19, ___, 21, 22, 23

Missing numbers (skip counting)

Class 1–2 · Worksheet 2 · set 71
Name:Date:Score:    / 12

Write the missing number.

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

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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.