Page 212 - SK Year 5 Mathematics DLP

2
4 8 – 1 360 m – 4.91 =
5
2
8 – 1 360 m – 4.91
5
1 360
= (8 + 0.4 – ( ) – 4.91 1 = 0.2 or 200 m
)
1 000 5

= 8.4 – – 4.91 2 = 0.4 or 400 m

= 5
1
5 20 35 m – 0.948 – 16 = m
8
Convert unit Subtracting consecutively

0.948 = (0.948 × 1 000) m m m

= 948 m 1 9 1 0 3 5 1 8 1 0 8 7
2 0 3 5 1 9 8 7
1 1
16 = 16 + − 9 4 8 − 1 6 1 2 5

8 8
1 125 1 9 8 7 2 9 6 2

= 16 + ( × 1 000) m
8
1

= 16 + 125 m
= 16 125 m

1
20 35 m – 0.948 – 16 = 2 962 m

8

1 Calculate.
1

a 10 m – 4.5 m = m b 13 – 1.85 =

2
3
c 7.025 – 629 m = m d 9 – 2 084 m = m

5
3
e 12 – 960 m – 8.47 =

4
1
f 8 – 3 640 m – 1.02 = m

10
2 Solve these.
1
a 15.24 – 6 – 120 m = m

8
1

b 6 320 m – 4.5 – 1 = m
2
204 • Carry out a question and answer session involving subtraction of
1
5.3.3 volume of liquid such as “Subtract 0.2 from equals

how many m ?”. 2