MULTIPLICATION OF UNITS OF LENGTH

YEAR 5

MULTIPLICATION OF
UNITS OF LENGTH

MATHEMATICS 5 WIDURI

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LEARNING STANDARD

5.1.5
Multiply 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

a) What is the width of the decorative frame?

6 X 2 . 8 cm = 16.8 cm .4

2 8 cm
6

1 6 8 cm

The width of the decorative frame is 16.8 cm.

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EXAMPLE 1

b) Calculate the length, in mm, of the decorative

frame. 3
14 X 1 . 9 cm = 266 mm
1 9 mm
1.9 cm 19 mm 14

1 76
1 90

2 6 6 mm

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EXAMPLE 2

56 7 3 m cm
4

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TIPS 25 cm
25 cm 25 cm
1 m = 100 cm
3 m = 75 cm
25 cm 25 cm 4
25 cm 25 cm

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EXAMPLE 2

56 7 3 m 43400 cm 32
4 775 cm 43
3 1
7 4 m 7 7 5 cm
56

11

4650
387 50
4 3 4 0 0 cm

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EXAMPLE 3
Calculate the total distance, in m, that Aiman
travelled to school for 5 days on a round-trip.

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EXAMPLE 3

10 X 2.735 km = 27 350 m

2 . 7 3 5 km = 2 735 m The total distance

10 X 2735 m = 27350 m that Aiman

travelled to school

for 5 days on a

round-trip is 27

350 m CIKGU AFI@SKDC

Assignment

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MT 2

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“Thank You”

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