What hours in the day are covered by AM ?

AM is the time between midnight (12am) and midday (12pm).

How many days are there in a year ?

There are 365 days in a normal year and 366 days in a leap year .

True or False? An analogue clock works in 24 hours time.

False. An analogue clock works in 12 hour time .

What hours in the day are covered by PM ?

PM is the time between midday (12pm) and midnight (12am).

True or false? To convert between two metric units of measure, you must multiply or divide by powers of 10 .

True. To convert between two metric units of measure, you must multiply or divide by powers of 10 . E.g. to convert from centimetres to metres, divide by 100.

What type of quantity is measured using cubic units?

Cubic units are units used to measure volume .

True or False? To convert between cubic units, you must multiply or divide by the normal unit conversion rate .

False. To convert between cubic units, you must multiply or divide by the 'cubed' conversion rate . E.g. to convert from cm 3 to m 3 you must divide by 100 3 .

What type of units are used to measure area ?

Square units are used to measure area .

True or False? To convert between square units, you must multiply or divide by the 'squared' conversion rate .

True. To convert between square units, you must multiply or divide by the 'squared' conversion rate . E.g. to convert from km 2 to m 2 you must multiply by 1000 2 .

Define the term compound measure .

A compound measure is something calculated using more than one measurement , e.g. speed is calculated using distance and time.

True or False? Flow rate is an example of a compound measure .

True. Flow rate is an example of a compound measure . It combines two measures (volume and time) by looking at the volume of fluid that moves over time, (e.g. cm 3 / s).

Define the term population density .

Population density is the measure of how many people there are per unit of area .

True or False? When using a formula triangle with a compound measure, you can add the two values at the base of the triangle to find the value at the top of the triangle.

False. When using a formula triangle with a compound measure, you need to multiply the two values at the base of the triangle to find the value at the top of the triangle.

True or false? Speed is the measure of how much distance changes per unit of time .

True. Speed is the measure of how much distance changes per unit of time .

Define the term density .

Density is the measure of how heavy something is per unit of volume or area .

True or False? Density is measured in Pascals (Pa) .

False. Pressure is measured in Pascals (Pa) . Density is measured in kg/m 3 .

What quantity could be measured with the units kg/cm 3 ?

The units kg/cm 3 could be used to measure density (mass per volume).

True or False? Speed is measured in kg/m .

False. Speed is measured in units like m/s or km/h .

IGCSEMathsEdexcelMaths A (Modular)Higher Unit 1FlashcardsShape, Space & MeasureStandard & Compound Units

Standard & Compound Units (Edexcel IGCSE Maths A (Modular))

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What hours in the day are covered by AM?
AM is the time between midnight (12am) and midday (12pm).
What is the equation that converts minutes to hours?
The equation that converts hours to minutes is $Hours = Minutes \div 60$ .
How many days are there in a year?
There are 365 days in a normal year and 366 days in a leap year.
True or False?
An analogue clock works in 24 hours time.
False.
An analogue clock works in 12 hour time.
What hours in the day are covered by PM?
PM is the time between midday (12pm) and midnight (12am).
What is the equation that converts hours to minutes?
The equation that converts hours to minutes is $Minutes = Hours \times 60$ .
How many hours are there in one day?
A day has 24 hours.
How many days are in a week?
There are 7 days in a week.
True or false?
To convert between two metric units of measure, you must multiply or divide by powers of 10.
True.
To convert between two metric units of measure, you must multiply or divide by powers of 10.
E.g. to convert from centimetres to metres, divide by 100.
What is the equation used to convert kilometres to metres?
The equation used to convert kilometres to metres is:
$Metres = Kilometres \times 1000$ .
What is the equation used to convert millilitres to litres?
The equation used to convert millilitres to litres is:
$Litres = \frac{Millilitres}{1000}$ .
What is the equation used to convert kilograms to milligrams?
The equation used to convert kilograms to milligrams is:
$Milligrams = Kilograms \times 1, 000, 000$ .
What type of quantity is measured using cubic units?
Cubic units are units used to measure volume.
True or False?
To convert between cubic units, you must multiply or divide by the normal unit conversion rate.
False.
To convert between cubic units, you must multiply or divide by the 'cubed' conversion rate.
E.g. to convert from cm³ to m³ you must divide by 100³.
What type of units are used to measure area?
Square units are used to measure area.
True or False?
To convert between square units, you must multiply or divide by the 'squared' conversion rate.
True.
To convert between square units, you must multiply or divide by the 'squared' conversion rate.
E.g. to convert from km² to m² you must multiply by 1000².
Define the term compound measure.
A compound measure is something calculated using more than one measurement, e.g. speed is calculated using distance and time.
True or False?
Flow rate is an example of a compound measure.
True.
Flow rate is an example of a compound measure.
It combines two measures (volume and time) by looking at the volume of fluid that moves over time, (e.g. cm³ / s).
Define the term population density.
Population density is the measure of how many people there are per unit of area.
True or False?
The units of a compound measure can be used to find the equation needed to calculate it.
True.
You can use the units of a compound measure to find the equation used to calculate it.
For example, speed is often measured in km / h.
Km (kilometres) is a measure of distance and h (hours) is a measure of time, so the calculation for speed is:
$Speed = \frac{Distance}{Time}$
True or False?
When using a formula triangle with a compound measure, you can add the two values at the base of the triangle to find the value at the top of the triangle.
False.
When using a formula triangle with a compound measure, you need to multiply the two values at the base of the triangle to find the value at the top of the triangle.
True or false?
Speed is the measure of how much distance changes per unit of time.
True.
Speed is the measure of how much distance changes per unit of time.
Define the term density.
Density is the measure of how heavy something is per unit of volume or area.
True or False?
Density is measured in Pascals (Pa).
False.
Pressure is measured in Pascals (Pa).
Density is measured in kg/m³.
What is the equation used to calculate speed?
The equation used to calculate speed is:
$Speed = \frac{Distance}{Time}$ .
What quantity could be measured with the units kg/cm³?
The units kg/cm³ could be used to measure density (mass per volume).
What is the equation used to calculate density?
The equation used to calculate density is:
$Density = Mass \div Volume$ .
True or False?
Speed is measured in kg/m.
False.
Speed is measured in units like m/s or km/h.
What is the equation used to calculate pressure?
The equation used to calculate pressure is:
$Pressure = Force \div Area$ .

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