PPT: Weigh It, Pour It | Mathematics Olympiad Class 4 PDF Download

 Page 1


Weigh It, Pour 
It
Page 2


Weigh It, Pour 
It
Understanding 
Measurement 
Concepts
Measurements help us quantify objects:
L e n g t h: Distances (e.g., a road).
W e i g h t: Mass (e.g., a bag of rice).
C a p a c i t y: Volume (e.g., a juice bottle).
Weight and capacity are essential for daily 
tasks like cooking and shopping.
Page 3


Weigh It, Pour 
It
Understanding 
Measurement 
Concepts
Measurements help us quantify objects:
L e n g t h: Distances (e.g., a road).
W e i g h t: Mass (e.g., a bag of rice).
C a p a c i t y: Volume (e.g., a juice bottle).
Weight and capacity are essential for daily 
tasks like cooking and shopping.
Understanding 
Weight
W e i g h t: Measures how heavy something is.
We compare weights to determine which object is 
heavier.
Example: An elephant is heavier than a mouse.
Tools are needed when weights aren9t obvious by 
sight.
Page 4


Weigh It, Pour 
It
Understanding 
Measurement 
Concepts
Measurements help us quantify objects:
L e n g t h: Distances (e.g., a road).
W e i g h t: Mass (e.g., a bag of rice).
C a p a c i t y: Volume (e.g., a juice bottle).
Weight and capacity are essential for daily 
tasks like cooking and shopping.
Understanding 
Weight
W e i g h t: Measures how heavy something is.
We compare weights to determine which object is 
heavier.
Example: An elephant is heavier than a mouse.
Tools are needed when weights aren9t obvious by 
sight.
Comparing Weights
Comparing Objects
Use balance scales to compare weights.
Heavier object tilts the scale down; equal weights 
keep it balanced.
Estimating Weights
Guess weights using known objects.
Example: An apple weighs ~150 g, so an orange is 
similar.
Estimation helps without always measuring.
Page 5


Weigh It, Pour 
It
Understanding 
Measurement 
Concepts
Measurements help us quantify objects:
L e n g t h: Distances (e.g., a road).
W e i g h t: Mass (e.g., a bag of rice).
C a p a c i t y: Volume (e.g., a juice bottle).
Weight and capacity are essential for daily 
tasks like cooking and shopping.
Understanding 
Weight
W e i g h t: Measures how heavy something is.
We compare weights to determine which object is 
heavier.
Example: An elephant is heavier than a mouse.
Tools are needed when weights aren9t obvious by 
sight.
Comparing Weights
Comparing Objects
Use balance scales to compare weights.
Heavier object tilts the scale down; equal weights 
keep it balanced.
Estimating Weights
Guess weights using known objects.
Example: An apple weighs ~150 g, so an orange is 
similar.
Estimation helps without always measuring.
Grams and Kilograms
Units for weight:
Gram (g): For light objects (e.g., pencil, 
eraser, small fruit).
Kilogram (kg): For heavy objects (e.g., 
watermelon, school bag, person).
Conversion: 1 kg = 1000 g.
500 g = 1/2 kg (2 packets of 500 g = 1 
kg).
250 g = 1/4 kg (4 packets of 250 g = 1 
kg).
100 g = 1/10 kg (10 packets of 100 g = 1 
kg).
Choose grams for light, kilograms for heavy.