4th Math NCERT Chapter 9
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– Important Topics from the Chapter: "Halves and Quarters"
1. Sharing Equally: Divide objects like chapati, chocolate, cake, etc., into equal parts among individuals and understand concepts of halves and quarters.
2. Division into Half and Quarters: Explore different ways to cut objects like rectangles into halves and quarters to share equally.
3. Price Analysis: Understand pricing and calculate costs for quantities like tomatoes, onions, potatoes, and carrots.
4. Problem Solving: Solve practical problems involving sharing, pricing, and division into halves and quarters.
This chapter focuses on basic concepts of sharing equally, cutting shapes into halves and quarters, understanding prices, and solving related problems【4:0†source】【4:1†source】【4:3†source】.
How many mangoes are ripe if there are 60 mangoes and 1/2 of them are ripe?
If there are 32 children and 1/2 of them are girls, how many children are boys?
If there are 20 stars and a quarter of them are red, how many stars are red?
How many millilitres of milk does each bottle have if 1 litre of milk is put into 4 other bottles so that each bottle has 1/4 litre of milk?
Ravi wants a pencil that costs ₹2. He gives a one-rupee coin, one half-rupee coin, and one quarter-rupee coin. Is it enough?
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