Page 199 - SK Year 5 Mathematics DLP

ADDITION OF UNITS OF MASS

The mass of a
1 cabin baggage Total up the mass of the
should not bag and the present.
exceed 7 kg.
3.505 kg + 0.48 kg = kg
3.505 kg 3.505 kg
+0.480 kg
3.985 kg

3.505 kg + 0.48 kg = 3.985 kg

1 0.48 kg
3 kg The total mass of the bag and
8 270 g the present is 3.985 kg.

b Calculate the total mass, in kg, of clothes and a pair of sports shoes.

1
3 kg + 270 g = kg
8

1 1 25 270
Convert 3 kg and 3 kg = kg 270 g = kg
8 8 8 1 000
270 g to decimal kg
first. 3 . 1 2 5 kg = 0.27 kg
8 2 5 . 0 0 0 kg 1
−2 4 3 kg + 270 g
8
1 0
− 8 = 3.125 kg + 0.27 kg
2 0 = 3.395 kg
− 1 6
4 0
− 4 0
0

1
3 kg + 270 g = 3.395 kg
8
Cabin baggage is a
The total mass of clothes and a pair of sports clothes bag and other
shoes is 3.395 kg. items that are carried
along or placed in the
State the items that can be put compartment of an
into the bag as cabin baggage. aeroplane.

191
• Carry out simulation activities such as weighing every product or tool using
5.2.2 a digital weighing scale to find the total mass.