# Decimals and measures: Solving problems with length

## Lesson details

### Key learning points

1. In this lesson, we will solve problems involving calculating the area and perimeter of rectilinear shapes, including compound rectilinear shapes, where the conversion of measure is needed.

### 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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## Worksheet

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## Starter quiz

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### 7 Questions

Q1.
1000 x 4 =
0.004
40
400
Q2.
700 ÷ 10 =
0.7
7
Q3.
What number is 10 times smaller than 70?
60
700
80
Q4.
What number is 10 times greater than 400?
350
450
Q5.
How many millimetres are equivalent to one metre?
1
10
100
Q6.
How many centimetres are equivalent to one metre?
1
10
1000
Q7.
How many metres are equivalent to one kilometre?
1
10
100

## Exit quiz

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### 6 Questions

Q1.
0.56 x 10
0.056
0.560
Q2.
1.405 x 100
0.01405
1.40500
Q3.
4.56 ÷ 100
0.456
456
Q4.
654.8 ÷ 10
6.548
6548
Q5.
What is the area of the shape below?
10 cm²
20 cm²