SUBJECT – MATHEMATICS
GRADE – 6
Chapter 1 – Lesson 2
Tables of Equivalent Ratio
Rohini Sreenarayanan
Objective of Session
Chapter 1, Lesson 2- Tables of Equivalent Ratio
To understand the Tables of Equivalent Ratios
Chapter 1, Lesson 2- Tables of Equivalent Ratio
Equivalent Ratio
This table is called the ratio table as rows are filled with pairs having same ratio
The Video showing the equivalent ratios of boys to girls which is having a ratio of 3:5
Chapter 1, Lesson 2- Understand Proportional Relationships
Chapter 1, Lesson 2- Understand Proportional Relationships
So, What is an equivalent ratio?
So, What is a ratio table?
2
5
40
40
INTRODUCTION
Chapter 1, Lesson 2- Tables of Equivalent Ratio
Step 1: Draw a table
Step 2: Write the rows and columns
Step 3: 1 x 5 =5 therefore, 6 x 5 = ?
Drops of yellow | 6 | 30 |
Cups of icing | 1 | 5 |
1 x 5
6 x 5
Chapter 1, Lesson 2- Tables of Equivalent Ratio
Chapter 1, Lesson 2- Understand Proportional Relationships
Let’s Start….
Write 3 equivalent ratios of Apples to oranges in the 2:3
Apples | 2 | | | |
Oranges | 3 | | | |
Hint:
To get equivalent ratio for a given ratio multiply or divide the ratio with the same number.
Guided Practice
Chapter 1, Lesson 2- Tables of Equivalent Ratio
Nyoko is having a pizza party. Two large pizzas serve 9 people. How many large pizzas should she order to serve 36 guests at the party?
No: of Pizzas | 2 | |
Guests | 9 | 36 |
Independent Practice
Chapter 1, Lesson 2- Tables of Equivalent Ratio
Tablespoon of Peanut | 3 | 18 |
Tablespoon of Sunflower seeds | 2 | |
In a batch of trail mix, there are 3 tablespoons of peanuts for every 2 tablespoons of sunflower seeds. How many tablespoons of sunflowers seeds are needed if you have 18 tablespoons of peanuts?
Guided Practice
Chapter 1, Lesson 2- Tables of Equivalent Ratio
Orange Paint
A recipe for homemade clay calls for 6 cups of water for every 12 cups of flour. How many cups of water are needed when 4 cups of flour are used?
Cups of water | 6 | |
Cups of flour | 12 | 4 |
Independent Practice
Chapter 1, Lesson 2- Tables of Equivalent Ratio
Loaves of Banana Bread | 3 | 1 |
Banana | 9 | |
To make three loaves of banana bread, you need 9 bananas. How many bananas are needed to make one loaf of banana bread?
Independent Practice
Chapter 1, Lesson 2- Tables of Equivalent Ratio
Cost of book | 35 | | |
No: of books | 20 | | 8 |
A comic book store is having a sale. You can buy 20 comic books for $35. What is the cost of 8 comic books during the sale? (Example 3)
What we learned today