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