Mindrailo
England · Year 3 · Ages 7–8 · Maths

Length and Perimeter

Measure, compare, add and subtract lengths and calculate the perimeter of simple 2-D shapes.

Open worksheetQuestions authored for this exact year and topic, with answers.RRailo tutor betaOptional guided practice. The worksheet remains the reliable core resource.
What to learn

Learning goal

I can measure sides and add them to find a perimeter.

Key words

lengthmetrecentimetreperimetermeasure
Quick practice

Try these first

  1. Convert: 1 m = __ cm.
  2. Compare: Which is longer: 95 cm or 1 m?
  3. Perimeter: Rectangle 6 cm by 3 cm. Perimeter?
Checked practice

Try it, then check your answer

You can try these without a profile. Create a private learning profile if you want checked answers to build a mastery map and Mistake Memory.

Set up private learning journey
Convert

1 m = __ cm.

Compare

Which is longer: 95 cm or 1 m?

Perimeter

Rectangle 6 cm by 3 cm. Perimeter?

Parent / teacher check

What a secure answer looks like

  • 1. 100 cm
  • 2. 1 m
  • 3. 18 cm
Continue learning
Worked examplesSee the strategy before independent practiceCommon mistakesSpot misconceptions and fix themParent guideA short practice routine for homeMeasurement, Time & Money hubConnected lessons across Years 1–6Tic-Tac-ToePlay against the computer or share the same device with another player.Printable practice packAuthored questions, parent notes and answer guidance
Continue with:Year 3 Place Value to 1,000Year 3 Column Addition and SubtractionYear 3 3, 4 and 8 Times Tables
Help