# Measuring curved and straight lines

## Lesson details

### Key learning points

1. In this lesson, we will measure curved lines and the longest line in a shape

### Licence

This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.

## Video

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## Starter quiz

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### 3 Questions

Q1.
Which is correct?
Correct answer: The length of your foot < the length of your leg
The length of your foot > the length of your leg
Q2.
Which is correct?
Correct answer: The length of your hand < the length of your foot
The length of your hand > the length of your foot
Q3.
Which is correct?
Correct answer: The length of your thumb < the length of your face
The length of your thumb > the length of your face

## Exit quiz

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### 3 Questions

Q1.
How do you measure a curved line accurately?
Just estimate
Correct answer: Use a piece of string
Use a ruler
Q2.
The question said 'Measure the longest side'. What have they done wrong?
Nothing! It's correct.
Correct answer: They didn't measure the longest side.
They didn't start at the 0.
Q3.
The question said 'Measure the longest side'. What have they done wrong?
Nothing! It's correct!
They didn't measure the longest side.
Correct answer: They didn't start at the 0.