Free · UKG–Class 2 · 2 worksheets · answer keys · practise online · set 43

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 43
Name:Date:Score:    / 12

Write the missing number.

  1. 65, 66, 67, ___, 69, 70
  2. 21, ___, 23, 24, 25, 26
  3. 20, 21, 22, ___, 24, 25
  4. 54, 55, ___, 57, 58, 59
  5. 8, 9, 10, ___, 12, 13
  6. 33, 34, 35, ___, 37, 38
  7. 46, 47, 48, ___, 50, 51
  8. 65, 66, 67, 68, ___, 70
  9. 48, ___, 50, 51, 52, 53
  10. 15, 16, 17, 18, ___, 20
  11. 64, ___, 66, 67, 68, 69
  12. 9, 10, ___, 12, 13, 14

Missing numbers (skip counting)

Class 1–2 · Worksheet 2 · set 43
Name:Date:Score:    / 12

Write the missing number.

  1. 12, 14, ___, 18, 20, 22
  2. 10, ___, 14, 16, 18, 20
  3. 10, 20, 30, 40, ___, 60
  4. 50, 55, 60, 65, ___, 75
  5. 50, 55, 60, ___, 70, 75
  6. 30, 35, 40, 45, ___, 55
  7. 100, ___, 120, 130, 140, 150
  8. 20, 25, ___, 35, 40, 45
  9. 45, ___, 55, 60, 65, 70
  10. 80, 90, 100, 110, ___, 130
  11. 90, ___, 110, 120, 130, 140
  12. 20, 22, 24, 26, ___, 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.