DIVISION OF LENGTH

YEAR 5

DIVISION OF UNITS OF
LENGTH

MATHEMATICS 5 WIDURI

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LEARNING STANDARD

5.1.6
Divide measurements of length involving
decimals and fractions with numbers up

to two digits, 100 and 1000 with and
without unit conversion.

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EXAMPLE 1
What is the thickness of a 10 sen coin?

12 mm 8 = mm

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CALCULATION 12 mm 8 = 1 . 5 mm
0 1 5 mm The thickness of a 10
sen coin is 1 . 5 mm.
1 8 1 2 0 mm
216 8 CIKGU AFI@SKDC
3 24 4 0
4 32 4 0
540 0 0

EXAMPLE 2 0 5 0 2 cm

4 5 . 1 8 cm 8 = 50.2 mm 4 5 1 8 cm
45
cm 10 mm 19 00 1 8
218
3 27 18
4 36 00

5 45

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EXAMPLE 3

3 1 m 16 cm
5

3 1 m 320 cm
5

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TIPS 20 cm

1 m = 100 cm 1 m = 20 cm
20 cm 20 cm 5
20 cm 20 cm

20 cm

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EXAMPLE 3

3 1 m 16 20 cm
5
0 2 0 cm
11 6 3 2 0 cm
232 32
000

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EXAMPLE 4

Calculate the distance, in m, of the resurfaced

road in 1 hour.
1
2 4 km 10 m

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TIPS 250 m

1 km = 1000 m 1 km = 250 m
250 m 250 m 4
250 m 250 m

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EXAMPLE 4

Calculate the distance, in m, of the resurfaced
road in 1 hour.

2 1 km 10 225 m
4

2250 m

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EXAMPLE 5

2 3 8 . 9 km 100 2389 m
1000

2389 0 0 m 238900m

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EXAMPLE 6

30 m 72 cm 1 000 3.072 cm

1 00 3 0 7 2 cm

3 072 cm

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Assignment

Try These page 188
MT 3

Upload to GC

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“Thank You”

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