Back to: Mathematics Primary 6
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Weight measures the quantity of mass an object possesses. It tells how heavy or light an object is. Weight is measured in grams (g), kilogram (Kg) and tonnes.
1000mg = 1g
1000g = 1kg
1000kg = 1 tonne
ACTIVITY
- Express in terms of kg and g:
(i) 7548 g
(ii) 15895 g
(iii) 42635 g
- Mention equipment used in measuring weight.
Addition and Subtraction of Weight
Activity
- Find the sum of:
(i) 27 kg 540 g, 24 k g 350 g, 14 kg 380 g
(ii) 69 kg 625 g and 38 kg 770 g
- Ruchi weighs 65 kg 16 g and Hannah weighs 40 kg 40 g. How much less is the weight of Hannah than that of Ruchi?
- There are 50 kg of apples in a box. If 2 kg 500 g of these are rotten, find the weight of the remaining apples.
Multiplication and Division of weight
- The cost of 1kg of potatoes is N8. What is the cost of 15 kg of potatoes?
- The cost of 1kg of ghee is N160. What is the cost of 500 g of ghee?
- The cost of 1kg of butter is $75. What is the cost of 250 g of butter?
- The cost of 100g of cheese is N20. Find the cost of cheese weighing:
(i) 500 g
(ii) 1 k)
(iii) 50 g
(iv)2 kg
- If 1 kg of Basmati rice costs $40, find the cost of:
(i) 5 kg of rice
(ii) 500 g of rice
(iii) 100 g of rice
(iv) 15 kg of rice
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