Grade 1

Comparing Lengths Worksheets

Which is longer? Comparing lengths in centimetres to build a feel for measuring.

Free printable PDF · answer key included · new problems every time

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  1. 1.Which is longer: 11 cm or 9 cm? ___ cm
  2. 2.Which is longer: 6 cm or 7 cm? ___ cm
  3. 3.Which is longer: 7 cm or 15 cm? ___ cm
  4. 4.Which is longer: 1 cm or 14 cm? ___ cm
  5. 5.Which is longer: 16 cm or 19 cm? ___ cm
  6. 6.Which is longer: 13 cm or 15 cm? ___ cm
  7. 7.Which is longer: 6 cm or 3 cm? ___ cm
  8. 8.Which is longer: 19 cm or 10 cm? ___ cm
  9. 9.Which is longer: 12 cm or 16 cm? ___ cm
  10. 10.Which is longer: 8 cm or 12 cm? ___ cm
Show answers

1) 11 · 2) 7 · 3) 15 · 4) 14 · 5) 19 · 6) 15 · 7) 6 · 8) 19 · 9) 16 · 10) 12

How to explain it to your child

Same unit? Then the bigger number is the longer length.

  1. Check both lengths use the same unit. — 2 cm and 12 cm — both cm
  2. Compare the numbers: the bigger one is longer. — 12 > 2

Example: Which is longer, 2 cm or 12 cm? 12 cm.

Every sheet has a QR code: if your child gets stuck, they scan it and get this explanation step by step — without giving the answer away.

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Questions parents ask

Are these comparing lengths worksheets really free?

Yes. Your first three downloads need no sign-up; after that a free account lets you print as many as you like. No subscription. Every PDF has an answer key at the back.

Can I get new problems once my child has done this sheet?

Yes. “New problems” makes a fresh sheet on the same topic every time — different numbers, same level.

How do I know which topic my child should practise?

Take the free 5-minute check: your child solves a few problems on the phone, and you get a printable workbook built for exactly their gaps.

Comparing Lengths Worksheets, Grade 1 – Free PDF with Answers