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