7. Draw scaled representations of these fi elds in your copy. Choose a scale that you think is appropriate. Remember to write the scale under the rectangles.
Field 1
Length – 24m Width – 16m
Field 4
Length – 32m Width – 24m
Field 2
Length – 27m Width – 18m
Field 5
Length – 45m Width – 27m
8. Work out the perimeter of the following rectangles. Rectangle 1
Rectangle 2
Length – 6cm Width – 5cm
Scale – 1cm : 7cm Rectangle 4
Length – 3.9cm Width – 1.8cm
Scale – 1cm : 5.2m
Length – 12cm Width – 7cm
Scale – 1cm : 14cm Rectangle 5
Length – 4.3cm Width – 2.7cm
Scale – 1cm : 26.1m Field 3
Length – 36m Width – 24m
Field 6
Length – 44m Width – 33m
Rectangle 3
Length – 4.7cm Width – 2.6cm Scale 1cm : 3.8m
Rectangle 6
Length – 5.4cm Width – 1.6cm
Scale – 1cm : 32.7m
Recap • I can choose appropriate units of measurement. • I can add and subtract lengths recorded in different ways. • I can multiply and divide lengths recorded in different ways. • I know what perimeter is. • I can use scale to calculate actual dimensions. • I can calculate perimeter using scale.