Maths Algebra part 11 (Expressions in daily life) CBSE Class 6 Mathematics VI | Summary and Q&A

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December 31, 2016
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Maths Algebra part 11 (Expressions in daily life) CBSE Class 6 Mathematics VI

TL;DR

Algebraic expressions are used in our day-to-day life for measurements, games, and age calculations.

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Key Insights

  • 😑 Algebraic expressions are used in various real-life scenarios, such as measurements, games, and age calculations.
  • 😑 They help in expressing relationships between different variables and solving problems in a more general and systematic way.
  • 😑 Understanding and converting statements into algebraic expressions is crucial in solving problems involving unknown quantities or variables.
  • 😑 Algebraic expressions provide a way to represent, analyze, and solve problems related to quantities and their relationships.
  • 🔬 They are an essential tool in fields such as science, engineering, economics, and computer science.
  • 😑 Algebraic expressions can simplify complex calculations and provide a more concise and efficient way to communicate mathematical ideas.
  • 🤔 Learning algebraic expressions helps in developing critical thinking, problem-solving, and analytical skills.

Transcript

hello friends this video on algebra part 11 is brought to you by exam feel calm no more fear from exam now the next question is how do these expressions help us in our day-to-day life how do we use them in our day-to-day life or the main question is do we even use these expressions in our daily life so let us look at some problems from our day-to-d... Read More

Questions & Answers

Q: How are algebraic expressions used in measurements?

Algebraic expressions are used to express the length and breadth of an object, such as a rectangular box, in terms of its height. For example, if the height is H centimeters, the length would be 5H centimeters and the breadth would be 5H - 10 centimeters.

Q: How are algebraic expressions used in games?

In games, algebraic expressions can be used to describe relationships between different variables. For example, if Tony has 8 times the number of marbles in his box as the marbles on the table, we can express this as the number of marbles in the box being 8 times the number of marbles on the table.

Q: How are algebraic expressions used in age calculations?

Algebraic expressions are used to calculate ages. For example, if Sarita's present age is y years, her age five years from now would be y + 5. Similarly, if Sarita's grandfather is six times her age, his age can be expressed as 6y.

Q: How are algebraic expressions used to describe relationships between family members' ages?

Algebraic expressions can describe relationships between family members' ages. For example, if Sarita's grandmother is two years younger than her grandfather, her grandmother's age can be expressed as 6y - 2. Similarly, if Sarita's father is five years more than three times her age, his age can be expressed as 3y + 5.

Summary & Key Takeaways

  • Algebraic expressions are used in measurements, such as expressing the length and breadth of a rectangular box in terms of its height.

  • In games, algebraic expressions are used to describe the relationship between the number of marbles on the table and the number of marbles in a box.

  • Algebraic expressions are also used to calculate ages, such as determining Sarita's age five years from now and the ages of her grandparents and father.

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