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Free · UKG–Class 2 · 2 worksheets · answer keys · practise online · set 26

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 26
Name:Date:Score:    / 12

Write the missing number.

  1. 42, 43, 44, ___, 46, 47
  2. 53, 54, 55, 56, ___, 58
  3. 86, 87, 88, 89, ___, 91
  4. 75, ___, 77, 78, 79, 80
  5. 68, 69, 70, 71, ___, 73
  6. 1, 2, 3, ___, 5, 6
  7. 16, ___, 18, 19, 20, 21
  8. 2, 3, 4, ___, 6, 7
  9. 89, 90, 91, 92, ___, 94
  10. 10, ___, 12, 13, 14, 15
  11. 67, 68, 69, 70, ___, 72
  12. 13, 14, 15, ___, 17, 18

Missing numbers (skip counting)

Class 1–2 · Worksheet 2 · set 26
Name:Date:Score:    / 12

Write the missing number.

  1. 30, 40, 50, 60, ___, 80
  2. 14, 16, 18, ___, 22, 24
  3. 16, ___, 20, 22, 24, 26
  4. 100, 110, 120, 130, ___, 150
  5. 50, 60, 70, 80, ___, 100
  6. 6, 8, 10, 12, ___, 16
  7. 12, 14, 16, 18, ___, 22
  8. 5, 10, ___, 20, 25, 30
  9. 80, 90, ___, 110, 120, 130
  10. 18, 20, 22, 24, ___, 28
  11. 50, 55, 60, 65, ___, 75
  12. 45, 50, ___, 60, 65, 70

More worksheets

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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.