L2 Conversions & Scales Flashcards
5 miles = 8 km
so 1 mile = ? km
8 ÷ 5 = 1.6km
£1 = $1.2
How many £s would $72 equates to?
$72 ÷ $1.2 = £60
£1 = 1.15 euros
How many euros would £25 equate to?
25 x 1.15 = 28.75 euros
5 miles = 8 km
so ? miles = 1 km
5 ÷ 8 = 0.625 miles
If the scale on a plan drawing is 1:25
How long does a line measuring 5cm represent?
1:25
so 5cm = 5 x 25 = 125cm (or 1.25m)
If the scale on a plan drawing is 1:50
How long a line would you draw to represent 12m?
1:50
12m = 1200cm
1200cm ÷ 50 = 24cm
If the scale on a plan drawing is 1:100
How long does a line measuring 6.4cm represent?
1:100
Using scale
6.4cm = 6.4 x 100 = 640cm
(or 6.4m)
If I can walk 1km in 10 minutes
How far can I walk in 7 minutes?
1km in 10 minutes
0.1 km in 1 minute
(same as 100m in 1 minute)
So 700m in 7 minutes