SUBJECT – MATHEMATICS
GRADE – 6
Chapter 1-Lesson 1- Understand Ratios
Rohini Sreenarayanan
Objective of Session
To understand Ratios
Chapter 1, Lesson 1- Understand Ratios
Vocabulary:
Chapter 1, Lesson 1- Understand Ratios
Let’s Start….
Instruction
https://wordwall.net/resource/5168807/math/ratio-true-or-false
Chapter 1, Lesson 1- Understand Ratios
2
5
40
40
INTRODUCTION
The meaning is, for every 2 blue star, there will be 4 green star
Chapter 1, Lesson 1- Understand Ratios
Activity 1: Write the ratio of the following
Chapter 1, Lesson 1- Understand Ratios
2
5
40
40
Simplify Ratio
Chapter 1, Lesson 1- Understand Ratios
Activity 2: Write the ratio of the following and simplify
Chapter 1, Lesson 1- Understand Ratios
Let’s Start….
Instruction
Chapter 1, Lesson 1- Understand Ratios
Chapter 1, Lesson 1- Understand Ratios
Tomatoes : Apples = 2 : 5
Tomatoes | 2 | 20 |
Apples | 5 | 50 |
Chapter 1, Lesson 1- Understand Ratios
Potatoes : Turnips= 1 : 1
Potatoes | 1 | 473 |
Turnips | 1 | 473 |
Chapter 1, Lesson 1- Understand Ratios
Bananas : Melon = 30:1
Bananas | 30 | 300 |
Melon | 1 | 10 |
Chapter 1, Lesson 1- Understand Ratios
Cans of Corn | 10 | | 15 |
Cost in Dollars | 4 | | |
What we learned today
Guided Practice
Chapter 1, Lesson 1- Understand Ratios
Cups of water | 6 | | |
Rice | 3 | | 2 |
No Trinity reasoning is not correct. To get the same ratio of 6:3, Trinity need to take 4 cups of water for every 2-cup rice.
Objective of Session
To understand Part to Part Ratios and Part to whole Ratio
Chapter 1, Lesson 1- Understand Ratios
Vocabulary:
Chapter 1, Lesson 1- Understand Ratios
Chapter 1, Lesson 1- Understand Ratios
Ratios
Part to Part Ratios
Part to Whole Ratios
Ratio of one quantity to other quantity
Ratio of one quantity to the total
2
5
40
Part to Part
Ratio
Chapter 1, Lesson 1- Understand Ratios
Guided Practice
Example
Chapter 1, Lesson 1- Understand Ratios
2
5
40
Part to Whole Ratio
Chapter 1, Lesson 1- Understand Ratios
Guided Practice
Chapter 1, Lesson 1- Understand Ratios
Part to whole ratio Example
Chapter 1, Lesson 1- Understand Ratios
Tulips | 4 | |
Total Flowers | 12 (In Small vase) | 36 (In Large vase) |
A florist is arranging flowers in vases to sell to her customers. She has two sizes of vases available: small and large. She wants the large vase to have the same ratio of flowers as the small vase. If the large vase has a total of 36 flowers, how many are tulips?
Independent Practice
Chapter 1, Lesson 1- Understand Ratios
Pear | 3 | | |
Total | 14 (In Small box) | | 42 (In Large box) |
A small fruit basket contains the fruits shown. A large basket has the same ratio of fruits as the small basket. If the large basket has 42 total pieces of fruit, how many are pears?
Part to Part Ratio Example
Chapter 1, Lesson 1- Understand Ratios
Blueberry | 2 | |
Chocolate | 3 (In Small box) | 9 (In Large box) |
A bakery sells fresh-baked muffins, sold in small or large boxes. The manager of the bakery wants to maintain the same ratio of each type of muffin in the large box as in the small box. If the large box contains 9 chocolate muffins, how many blueberry muffins are in the large box?
Independent Practice
Chapter 1, Lesson 1- Understand Ratios
Chocolate | 2 | |
Cream filled | 4 | 20 |
Mrs. Santiago is buying doughnuts for her office. Each box contains 6 glazed, 4 cream filled, and 2 chocolate flavored doughnuts. If there were 20 total cream filled doughnuts, how many chocolate doughnuts did she buy?
What we learned today