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Conversion of Length

Example 7: Convert the following.

(a) 5432 m into km (b) 123.5 m into km

Solution: (a) 5432 m into km km hm dam m

5432 m = (5432 ÷ 1000) km = 5432 km
1000 ÷ 10 ÷ 10 ÷ 10
= 5.432 km

(b) 123.5 m into km km hm dam m

123.5 m = (123.5 ÷ 1000) km = 123.5 km
1000 ÷ 10 ÷ 10 ÷ 10
= 0.1235 km
Conversion of Weight

Example 8: Convert the following.

(a) 2323 mg into g (b) 235.2 g into kg

Solution: (a) 2323 mg into g g dg cg mg

2323 mg = (2323 ÷ 1000) g = 2323 g
1000 ÷ 10 ÷ 10 ÷ 10
= 2.323 g

(b) 235.2 g into kg kg hg dag g

235.2 g = (235.2 ÷ 1000) kg = 235.2 kg
1000 ÷ 10 ÷ 10 ÷ 10
= 0.2352 kg
Conversion of Capacity

Example 9: Convert the following.
(a) 245 mL into L (b) 140 dL into daL

Solution: (a) 245 mL into L L dL cL mL

245 mL = (245 ÷ 1000) L = 245 L
1000 ÷ 10 ÷ 10 ÷ 10
= 0.245 L

(b) 140 dL into daL daL L dL

140 dL = (140 ÷ 100 daL) = 140 L
100 ÷ 10 ÷ 10
= 1.4 daL

Think and Answer
Measure the heights of your family member in cm using a measuring tape and
convert them into: (a) mm (b) m

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