Page 211 - SK Year 5 Mathematics DLP

SUBTRACTION OF UNITS OF VOLUME OF LIQUID

1 What is the difference in volume of the
liquid in the syringes?

5 m – 3.3 m = m
4 10
5. 0 m
.
− 3. 3 m
.
.
1. 7 m
5 m – 3.3 m = 1.7 m

The difference in volume of the liquid in the syringes is1.7 m .

What is the balance of the volume of
2 I have filled up
2.5 juice the juice in the container?

into a jug. 1
10 – 2.5 =
4

Step 1 Step 2

1 1 9
10 = 10 + 0 10 12
Full 4 4
volume = 10 + 0.25 1 0 .25
1 − 2 .50
10
4 7 .75
= 10.25
1
10 – 2.5 = 7.75
4
The balance of the volume of the
juice in the container is 7.75 .

3 12.09 − 780 m = m

12.09 − 780 m = (12.09 × 1 000) m − 780 m 1 10
1 2 0 9 0 m
= 12 090 m − 780 m − 7 8 0 m

= 11 310 m 1 1 3 1 0 m

12.09 − 780 m = 11 310 m

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5.3.3 • In groups, carry out an activity of subtracting two volumes using
a game of Dominoes.