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CONCEPT OF RATIO-meaning o ratio and proportio.pptx

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LuisSalenga1

Ratio and proportion

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Concept of Ratio
Mental Computation/ drill Motivation: Look around you. What are the things you find inside the room? Concept of Ratio Preparatory activities
Presentation: - count the number of boys and the number of girls inside the classroom. In Mrs. Dela Rosas Grade 6 Math class, there are 22 girls and 19 boys. Compare the number of girls to the number of boys and vice versa. - How do you write the comparison of the number of boys to the number of girls using the fraction form? Using Colon? Concept of ratio
Mrs. Tan bought 2 bags of mangoes and 3 bags of avocados. All bags had the same number of fruits.
Ratio -is a comparison of two quantity. 3 ways of writing ratio 1. by phrase- 3 is to 5 or three is to five 2. By fraction- 3. By using colon 3:5 3 5
Give the ratio of each of the following orally Ratio Using the diagram below, form ratios
Generalization: Forming ratio What is ratio? Ratio is a comparison of two quantity.
Ways in writing Ratio
Application: Write the ratio of the following. Use the 3 different ways of writing them. 1. There are 10 buses at a station. If each bus has 6 wheels, what is the ratio of buses to wheels? 2. Every quarter each student submits 2 projects in EPP. Give the ratio of projects to quarters? Forming ratio
Mother bought a bag of rice and a bag of flour (flour = 3kg and rice = 8kg) The ratio of the mass of the rice to the mass of the flour is ___:___
Evaluation 1. Write a ratio for this 2. Eight compared to 28 3. There are 5 kites to seven boys. 4. In a t-shirt factory, each box contains 3 t- shirts. Give the ratio of box to shirt. 5. In a camping, each boy scout will be given 4 hotdogs. If there are 5 boy scouts, 20 hotdogs will be cooked. Write the ratio?
Assignment: form ratio for the following using 3 different ways. 1. 7 to 8 2. 3 t0 5 is equivalent to 6 to 15 3. Two barangays to 13 348 4. One boat to 3 people is equal to 6 boats to 18 people 5. 45 members of Glee Club to 30 members of Dance Club. Forming ratio

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CONCEPT OF RATIO-meaning o ratio and proportio.pptx

  • 2. Mental Computation/ drill Motivation: Look around you. What are the things you find inside the room? Concept of Ratio Preparatory activities
  • 3. Presentation: - count the number of boys and the number of girls inside the classroom. In Mrs. Dela Rosas Grade 6 Math class, there are 22 girls and 19 boys. Compare the number of girls to the number of boys and vice versa. - How do you write the comparison of the number of boys to the number of girls using the fraction form? Using Colon? Concept of ratio
  • 4. Mrs. Tan bought 2 bags of mangoes and 3 bags of avocados. All bags had the same number of fruits.
  • 5. Ratio -is a comparison of two quantity. 3 ways of writing ratio 1. by phrase- 3 is to 5 or three is to five 2. By fraction- 3. By using colon 3:5 3 5
  • 6. Give the ratio of each of the following orally Ratio Using the diagram below, form ratios
  • 7. Generalization: Forming ratio What is ratio? Ratio is a comparison of two quantity.
  • 9. Application: Write the ratio of the following. Use the 3 different ways of writing them. 1. There are 10 buses at a station. If each bus has 6 wheels, what is the ratio of buses to wheels? 2. Every quarter each student submits 2 projects in EPP. Give the ratio of projects to quarters? Forming ratio
  • 10. Mother bought a bag of rice and a bag of flour (flour = 3kg and rice = 8kg) The ratio of the mass of the rice to the mass of the flour is ___:___
  • 11. Evaluation 1. Write a ratio for this 2. Eight compared to 28 3. There are 5 kites to seven boys. 4. In a t-shirt factory, each box contains 3 t- shirts. Give the ratio of box to shirt. 5. In a camping, each boy scout will be given 4 hotdogs. If there are 5 boy scouts, 20 hotdogs will be cooked. Write the ratio?
  • 12. Assignment: form ratio for the following using 3 different ways. 1. 7 to 8 2. 3 t0 5 is equivalent to 6 to 15 3. Two barangays to 13 348 4. One boat to 3 people is equal to 6 boats to 18 people 5. 45 members of Glee Club to 30 members of Dance Club. Forming ratio