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Chapter Analysis
Beginner10 pages • EnglishQuick Summary
Chapter 11, titled 'Filling and Lifting', in the Class 3 Math textbook, introduces students to concepts of capacity and comparison of volumes. Students learn to estimate and verify how much various vessels can hold using practical activities. Measurement activities include determining which containers hold more or less and understanding measurement units like liters and kilograms. Through engaging questions and examples, students explore real-world applications of measuring liquids and weights using everyday objects.
Key Topics
- •Estimating capacity
- •Comparing volumes
- •Measuring with units
- •Using a pan balance
- •Practical measuring activities
- •Capacity of household objects
- •Estimating weights
- •Liquid measurements
Learning Objectives
- ✓Understand and estimate the capacity of various containers.
- ✓Compare volumes of different vessels in everyday situations.
- ✓Use measurement units like liters and kilograms accurately.
- ✓Apply practical skills in measuring and comparing weights using balances.
- ✓Develop hypotheses and test them using measuring tools.
- ✓Engage in activities that reinforce concepts of capacity and volume.
Questions in Chapter
How many ladles fill the bowl?
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How many glasses can be filled by the jug?
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What will you use to fill half of the glass?
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Which of these would you use for distributing the lemonade in glasses? Why?
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How many glasses can be filled with 3 jugs of lemonade?
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How many ladles are needed to fill 4 glasses?
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Can you use a ladle, bowl or a glass to find out how much lemonade a jug can hold?
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The glass holds more than/less than 1 litre.
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Additional Practice Questions
Estimate and check how many cups of water it takes to fill a bucket using a measuring cup.
easyAnswer: Fill the measuring cup with water and pour it into the bucket repeatedly, counting the number of cups needed until the bucket is full. Let students discuss their estimates versus the actual count.
How can you find out if a watermelon weighs more than a 1 kg bag of rice using a pan balance?
mediumAnswer: Place the watermelon on one side of the pan balance and the 1 kg bag of rice on the other. If the watermelon side lowers, it is heavier.
Create a DIY balance scale using household items to compare weights of different fruits.
hardAnswer: Use a clothes hanger, two small baskets, and string to make a balance scale. Hang the baskets on each side of the hanger. Tie strings to the corners of the baskets and balance them on a finger or a support. Use it to compare weights by placing fruits on each side.
How does the capacity of a small bottle compare to a large jar? Give a practical method to find out.
easyAnswer: Use a small bottle to fill the large jar with water. Count how many times you need to refill the small bottle until the jar is full to understand their capacity ratio.
Develop a method to determine if a plastic bottle can hold more than a glass.
mediumAnswer: Fill the glass with water and pour it into the bottle. If the bottle can completely hold the water with space left, it has a larger capacity.