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MEASURING MASS
UNITS TO MEASURE MASS
STANDARD WEIGHTS
EQUIVALENT WEIGHTS
Topics
ADDING WEIGHTS
FINDING TOTAL WEIGHT
DISTRIBUTION OF WEIGHT
MEASURING MASS
Mass or Weight is a measure of how heavy something is. Scale can be used to measure mass.
Balance Weights
UNITS TO MEASURE MASS
Mass is measured in kilograms (kg) or grams (g).
kilogram is used to measure heavier objects.
85 kilograms40 kilograms each
Gram is used to measure lighter objects.
250 grams
500 grams
150 grams
STANDARD WEIGHTS
1 kg 500 g 0r ½ kg 200 g
100 g 50 g
EQUIVALENT WEIGHTS
+1 kg= 2 × 500 g
1 kg= 5 × 200 g
1 kg= 10 × 100 g +
+ + + +
+ + +
+ + + +
1 kg= 1000 g
ADDING WEIGHTS
+ +
800 g
Find the total weight
+
650 g
+ + ++ + +
1 kg 750 g
+ + +
2 kg 250 g
FINDING TOTAL WEIGHT
If weight of a household soap is 200 g then find the weight of such 4 soaps.
= 200 g
= ?
800 g
Madhu bought 3 packets of sugar form a hypermarket. If the weight of each packet is 750 g then find the total weight of sugar in kg and g.
+ + = ?
2 kg 250 g
Raman bought 2 kg apples, 1 kg 300 g oranges
and ½ kg grapes. Find the total weight of fruits bought by Raman in kg and g.
2 kg 1 kg 300 g ½ kg
3 kg 800 g0
Mohit wants to buy 1 kg tea. At a shop, tea packet are available in 200 g each. How many packets should Mohit buy to weight 1 kg.
= 200 g
5 packets
DISTRIBUTION OF WEIGHT
Mrs Gupta bought a packet of chilly power weighting 2 kg. She wants to put chilly powder into jar of capacity 200 g each. How many such jars will she need?
2 kg
200 g
10 Jars