Hot Chocolate
30 seconds: Sebastian likes hot chocolate made with 1 part chocolate for every 3 parts milk.
Write this ratio on your whiteboard using a colon (:).
1:3
Georgina likes to bake bread with the following ratio:
4 cups flour
1 pint of water
2 tablespoons of yeast
1 teaspoon of salt
How much yeast does she need for a double batch of bread?
4 tablespoons
Write 30/100 as a decimal.
0.30 or 0.3
What do you do when you hear the chime?
Voice off, eyes up front, pencils down/Chromebooks closed
Kiara likes hot chocolate that is made up of 2 tablespoons of chocolate syrup and 8 tablespoons of milk.
What is the unit ratio (simplified ratio) of chocolate syrup to milk?
1:4
Georgina likes to bake bread with the following ratio:
4 cups flour
1 pint of water
2 tablespoons of yeast
1 teaspoon of salt
What is the ratio of salt to yeast?
1:2
94/100, 0.94
What operation does "of" mean in math?
Ex. 1/10 of 20
Multiply!
2 min:
Grant likes hot chocolate with a chocolate to milk ratio of 1:5. He wants to make 18 oz of hot chocolate total. How many ounces (oz) of chocolate will he need?
3 oz.
Georgina likes to bake bread with the following ratio:
4 cups flour
1 pint of water
2 tablespoons of yeast
1 teaspoon of salt
Georgina has 13 cups of flour. How many complete batches of bread can she make with all this flour?
3 batches
Solve: 1/2*5/3
5/6
What are the only 2 operations you can use to find equivalent ratios?
Multiply and divide
1 minute:
Kiara likes hot chocolate with a chocolate to milk ratio of 2:8. Marley prefers 3:9.
Draw a tape diagram of both situations on your whiteboards and explain which is more chocolatey.
Marley's because the unit ratio is 1:3 while Kiara's is 1:4.
Manuel's favorite turquoise paint is made of 2 cups of green paint and 3 cups of blue paint. What portion of the turquoise is green paint? Write in 2 different forms.
2/5, 4/10, 40%, 0.4
3
Draw and label a triangle with a base and height ratio equivalent to the triangle on the board
2 minutes:
Draw 2 tables to justify your answers:
Kiara likes a ratio of 2 parts chocolate to 8 parts milk. Hiba prefers 5 parts chocolate to 24 parts milk. Whose hot chocolate is more chocolatey?
Kiara's because we can multiply the ratio by 3 to get 6:24 and when the milk is equal, Kiara's ratio includes slightly more chocolate.
Manuel's favorite turquoise paint is made of 2 cups of green paint and 3 cups of blue paint. Manuel needs about 35 cups of paint to cover his house. How much green paint does he need? How much blue paint does he need?
14 cups of green
21 cups of blue
Nick eats 2/3 of a cup of cereal for breakfast every day. If the box contains a total of 24 cups, how many days will it take to finish the cereal box?
36 days
If she uses 400 grains of rice, how many beans does she need to use?