Class 4 Maths - ODISHA
Weigh it Pour it
The chapter 'Weigh it Pour it' in Class 4 Mathematics introduces Odisha students to the practical measurement of weight (mass) and capacity (volume). Students learn how to measure objects using standard units like kilograms (kg), grams (g), litres (l), and millilitres (ml). They explore how shopkeepers weigh items like rice and sugar, and how liquids like milk and water are measured using different containers. This chapter builds a strong foundation for everyday problem-solving and frequently appears in the Board of Secondary Education (BSE) Odisha examinations through word problems, unit conversions, and addition or subtraction of weights and measures.
Start Learning FreeKey Concepts
Measurement of Weight
Heavy objects are measured in kilograms (kg) and lighter objects are measured in grams (g) using weighing balances.
Measurement of Capacity
Liquids like milk, water, and oil are measured in litres (l) for larger quantities and millilitres (ml) for smaller quantities.
Unit Conversion of Weight
To convert kilograms to grams, we multiply the number of kilograms by 1000, since 1 kg equals 1000 g.
Unit Conversion of Capacity
To convert litres to millilitres, we multiply the number of litres by 1000, since 1 litre equals 1000 millilitres.
Addition and Subtraction of Measures
We can add or subtract weights and capacities by keeping like units together (grams with grams, kilograms with kilograms).
Important Formulas
Board Exam Info
In the Odisha (BSE) Class 4 Mathematics assessments, this chapter usually carries around 6 to 8 marks. Common question types include converting kilograms to grams, adding different liquid quantities, and short word problems based on buying items from a market.
Frequently Asked Questions
How do I convert kilograms into grams?
To convert kilograms into grams, simply multiply the given kilogram value by 1000.
Why do we use millilitres instead of litres?
Millilitres are used to measure very small quantities of liquids, like medicine drops or a cup of tea, whereas litres are used for larger quantities like a bucket of water.
Is 500 grams equal to half a kilogram?
Yes, 500 grams is exactly half of 1000 grams, which makes it half a kilogram.
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