NATIONAL 5 LIFESKILLS
MATHEMATICS
Numeracy 4
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Speed, Distance and Time
Time Intervals
Decimal Time
Distance/Time graphs
Reading Scales
Speed, Distance and Time
Things you might need to be able to do with Speed, Distance and
Time
1. Use the triangle to find the appropriate formula.
2. Calculate Time Intervals
3. Convert Units of Measurement (Speed, Distance and Time)
4. Reading Scales
1.Use the Triangle to find the appropriate formula
Units of measurement must be
consistent
Speed
mph
Distance
Time
meters
seconds
miles
days
Km/hr
Example 1: A racing car
travelled at 50 km/hr. What is the
distance covered in 6 hours ?
Example 2: Daniel drove from his house to
the Blackpool, a distance of 135 miles.
It took him 2hrs 30mins.
What was his average speed?
Example 3: How long did the bus journey
take if it travelled a total distance of 60
km at an average speed of 40 km/hr.
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2. Time Intervals
Examples
1. Find the time difference between 0237 hrs and 2349 hrs.
2. Find the time difference between 0846 hrs and 1152 hrs.
3. Units of Measurement
Time
Example 3 : 30 mins to hours is
Example 4 : 7 hours and 15 mins to hours is
Example 5 : 4 hours and 24 mins to hours is
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Work out Ron’s average speed in km/hr
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(distance of 42.195km)
Mary is a very experienced Marathon runner and knows that her
average speed is 14.848km/hr. How long does it take Mary to finish
a Marathon? Give your answer in hours, minutes and seconds. Who
was faster Bob or Mary and by how much?
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Distance
Speed
Convert the time units first then convert the distance units
Examples
1.
60km/hr change to m/s
2.
0.036m/s change to km/hr
3.
5 miles per second change to miles per hour
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4. Reading Scales
1. Read the following scales, make sure you give the correct unit
(litres/millilitres/grams/kilograms/degrees centigrade):
a)
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b)
c)
d)
g)
e)
5l
f)
h)
i)
4l
3l
2l
1l
2. For parts a – i from Q1, state what each labelled division represents.
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Past Paper Questions
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