Look at the following figures and observe carefully
Number the objects according to the increasing orders of weight
1
you are given two balls A and B. How can you say that which one weighs more?
A B
WE USE BALANCE
A
B
Which weighs more? A or B and why?
Now you know ball A weighs more
Can you tell me what is the weight of ball A
You might have visited vegetable market along with your parents to buy one kilogram(kg) of onions. How will the shopkeeper measure one kilogram(kg) onions
we measure the weights by comparing with standard weights
There are other different types of balances
Where can you see this type of balance?
Where can you see this type of balance?
Where can you see this type of balance?
Have you seen this type of balance?
Have you seen this type of balance? If yes where?
Where can you see this type of balance?
ACTIVITYSHOWING THE BALANCE
45 g
60 g
20 g
45 g
Which pan of the balance will go down? Show by drawing an arrow
50 g
20 g
60 g
45 g
Which pan of the balance will go down? Show by drawing an arrow
45 g45 g
What happens in this case?
Objects measured in kilograms (Kg) and grams(g)
Name the objects that weigh in Kg and g
Now Guess different combination weights that can be used to measure the following -
5 Kg of Sugar
2Kg
1Kg
5Kg
500g
200g
2 Kg of Onions
100g300 g of Tea powder
Assignment
Do it yourself: 1. 5 Kg= ____ g + ____ Kg+ _____ g2. One Papaya weigh 2Kg, how many Papayas weigh 10
Kg?3. Collect and Paste the picture of weighing machine
used to weight of a person.
1Kg
2Kg
5Kg
500g
200g
Kg gram relations