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Free · UKG–Class 2 · 2 worksheets · answer keys · practise online · set 17

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 17
Name:Date:Score:    / 12

Write the missing number.

  1. 46, ___, 48, 49, 50, 51
  2. 81, 82, 83, ___, 85, 86
  3. 49, ___, 51, 52, 53, 54
  4. 86, 87, 88, ___, 90, 91
  5. 41, 42, 43, ___, 45, 46
  6. 3, 4, 5, 6, ___, 8
  7. 56, 57, 58, 59, ___, 61
  8. 67, 68, 69, 70, ___, 72
  9. 35, ___, 37, 38, 39, 40
  10. 50, 51, ___, 53, 54, 55
  11. 47, 48, ___, 50, 51, 52
  12. 75, 76, 77, ___, 79, 80

Missing numbers (skip counting)

Class 1–2 · Worksheet 2 · set 17
Name:Date:Score:    / 12

Write the missing number.

  1. 45, 50, 55, 60, ___, 70
  2. 14, 16, ___, 20, 22, 24
  3. 40, 50, 60, 70, ___, 90
  4. 4, 6, 8, ___, 12, 14
  5. 100, 110, ___, 130, 140, 150
  6. 50, ___, 70, 80, 90, 100
  7. 2, 4, 6, ___, 10, 12
  8. 20, ___, 24, 26, 28, 30
  9. 90, 100, 110, ___, 130, 140
  10. 5, ___, 15, 20, 25, 30
  11. 16, ___, 20, 22, 24, 26
  12. 6, 8, 10, 12, ___, 16

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.