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example 1. Convert the following into kilograms and grams.
a. 2000 g b. 5000 g

Solution. a. 2000 g = (2000 ÷ 1000) kg = 2 kg
b. 5000 g = (5000 ÷ 1000) kg = 5 kg

example 2. Convert the following into grams and milligrams.

a. 3000 mg b. 2005 mg
Solution. a. 3000 mg = (3000 ÷ 1000) g = 3 g
b. 2005 mg = 2000 mg + 5 mg
= (2000 ÷ 1000) g + 5 mg = 2 g 5 mg
example 3. Convert.

a. 35000 g into kg b. 3876 g into kg and g
Solution. a. 35000 g = (35000 ÷ 1000) kg = 35 kg

b. 3876 g = 3000 g + 876 g
= (3000 ÷ 1000) kg + 876 g = 3 kg 876 g

Exercise 9E

1. Convert the following into kg.
a. 7000 g b. 9000 g c. 26000 g d. 48000 g

2. Convert the following into kg and g.
a. 6300 g b. 4323 g c. 5908 g d. 3065 g

3. Convert the following into g and mg.
a. 5605 mg b. 6463 mg c. 5897 mg
d. 27980 mg e. 78970 mg f. 44000 mg

4. The quantities of vitamins found in different fruits are given in the table. Complete
the table.

Fruit Vitamin A Vitamin B Vitamin C

g mg g mg g mg

a. Banana 5 g 190 mg 1 g 253 mg 1 g 490 mg

b. Apple 3 g 956 mg 2 g 990 mg 4 g 530 mg

c. Carrot 4 g 82 mg 1 g 6 mg 1 g 13 mg

158 Mathematics 4