Maths - Units Of Area And Volume

Question 1

What is the Sl base unit of length?

Answer 1

Metre

Question 2

What symbol is used for the unit metre?

Answer 2

m

Question 3

What is the Sl base unit for time?

Answer 3

Second

Question 4

What is the Sl base unit for mass?

Answer 4

Kilogram

Question 5

What is the Sl base unit for temperature?

Answer 5

Kelvin

Question 6

What is the Sl base unit for the amount of substance?

Answer 6

Mole

Question 7

What is the Sl base unit for electric current?

Answer 7

Ampere

Question 8

What is the Sl base unit for luminous intensity?

Answer 8

Candela

Question 9

What symbol is used for the unit second?

Answer 9

s

Question 10

What symbol is used for the unit kilogram?

Answer 10

kg

Question 11

What symbol is used for the unit kelvin?

Answer 11

k

Question 12

What symbol is used for the unit mole?

Answer 12

mol

Question 13

What symbol is used for the unit ampere?

Answer 13

a

Question 14

What symbol is used for the unit candela?

Answer 14

cd

Question 15

What is it important to do do when writing a unit after a value?

Answer 15

Always leave a space between values and units

E.g. 3 cm not 3cm

Question 16

Is case important when writing units after values?

Answer 16

Yes it should be written in lower case

E.g. kg

not KG or Kg

Question 17

When should you only use the equals = sign?

Answer 17

When two things are equivalent to each other

And that includes having equal units

Question 18

How many mm are there in a metre?

Answer 18

1000 mm

Question 19

How many cm are there in a 10 mm?

Answer 19

1 cm

Question 20

How many cm are there in a metre?

Answer 20

100 cm

Question 21

How many cm are in 1ml?

Answer 21

1 cm 3 (to the power of 3)

Equal 1 ml
1 ml

Question 22

How many cm are there in a litre?

Answer 22

1000 cm 3 (to the power of 3)

Question 23

How many metres are in a kilometre?

Answer 23

1000 metres

Question 24

What does the prefix ‘kilo’ mean?

Answer 24

Denoting a thousand

Question 25

What does the prefix 'milli' mean?

Answer 25

Denoting a thousandth E..g. A millimetre is a thousandth of a metre

Question 26

What is a millimetre?

Answer 26

It's a thousandth of a metre

Question 27

10 to the power of 3 is equal to ?

Answer 27

1000

Question 28

What prefixes are based on multiples of a 1000?

Answer 28

'Kilo' | 'Milli'

Question 29

What does the prefix 'centi' indicate?

Answer 29

It indicated one hundredth E.g. One centimetre is one hundredth of a metre And 100 cm make up a metre

Question 30

How many kilometres are there in 1 metre?

Answer 30

0.001 km

Question 31

How many metres are there in 1 cm?

Answer 31

0.01 m

Question 32

How many metres are there in 1 mm?

Answer 32

0.001 m

Question 33

Which of the following are units of area? | ``` Inch)2 (squared s2 (squared) cm2 (squared) km3 (cubed) Square miles ```

Answer 33

All except s2 (squared) and km3 (cubed) km3 (cubed) is a unit of volume s2 (squared) is a unit of time

Question 34

Calculate the area of a rug 50 cm by 2 m

Answer 34

50 cm = 0.5 m (there are 100 cm in 1 m) 0.5 m x 2 m Or 0.5 x 2 x m x m Area = 1 m2 (squared)

Question 35

Calculated the area of a phone screen which measures 65 mm long by 40 mm wide ?

Answer 35

``` Area = 65 x 40 x mm x mm Area = 2600 mm2(squared) ```

Question 36

How do you calculate area?

Answer 36

Length x width

Question 37

How do you calculate volume?

Answer 37

Length x width x height

Question 38

Calculate the volume of a room measuring 5 m x 4 m x 3 m

Answer 38

5 x 4 x 3 x m x m x m =60x m x m x m = 60 m3 (cubed)

Question 39

Calculate | The volume of a phone which measures 10 cm by 5 cm by 6 mm in cubic centimetres

Answer 39

6 mm = 0.6 cm 10 x 5 x 0.6 x cm x cm x cm =30 x cm x cm x cm = 30 cm3 (cubed)

Question 40

Calculate the volume of a phone which measures 10 cm by 5 cm by 6 mm in mm3 (cubed)

Answer 40

10cm = 100 mm 50 cm = 50 mm 100 x 50 x 6 x mm x mm x mm = 30 000 mm3 (cubed)

Question 41

Convert 50 cm3 (squared) to ml

Answer 41

50 ml Is not cubed as ml is volume

Question 42

When converting litres to cm what must you remember?

Answer 42

To cube it

Question 43

When converting cm to litres what must you remember?

Answer 43

To not cube it, as litres represent volume

Question 44

Convert 500 cm3 (cubed) to litres

Answer 44

``` 1 cm3 (cubed) = 1 ml So: 500 cm3 (cubed) = 500 ml There is 1000 ml in a litre so: 500ml = 0.5 l ```

Question 45

Covert 3 litres to cm3 (cubed)

Answer 45

3000 cm3 (cubed)

Question 46

1 litre is equal to how many cm?

Answer 46

1000 cm3 (cubed)

Question 47

1 ml is equal to how many cm?

Answer 47

1 cm3 (cubed)

Question 48

.... kg = 8000 g

Answer 48

8 kg

Question 49

8000 g = ..... mg

Answer 49

8000000 mg

Question 50

Kilogram is the SI unit for?

Answer 50

Mass