Unit 1 and 2 Ratios Review

A box is full of buttons. The ratios of red buttons to white buttons is 6:3. What does this mean?

• For every 6 red buttons there are 3 white buttons

• For every 6 white buttons there are 3 red buttons.

• There are 6 as many red buttons as white buttons.

• There are 3 times as many white buttons as red buttons.

On World Book Day, students could dress up like their favorite book character for extra credit. In an 2nd grade class, 5 out of 15 girls wore costumes, and 6 out of 12 boys wore costumes.

Which statements correctly describe the number of students in the class who dressed up for World Book Day? Select ALL true statements.

• The ratio of the number of students who wore a costume to the total number of students in the class 11:27

• One out of every 2 boys wore a costume

• The ratio of the students who wore costumes to the total number of students in the class is 11:22

• Of the girls in the class, 1/3 wore a costume.

Vanilla Pound Cake

1 1/2 cups of butter

3 cups of sugar

3 cups of flour

6 eggs

1 teaspoon baking powder

2 teaspoons of vanilla

According to the recipe, for every 3 cups of sugar, _____________ eggs are needed.

Vanilla Pound Cake

1 1/2 cups of butter

3 cups of sugar

3 cups of flour

6 eggs

1 teaspoon baking powder

2 teaspoons of vanilla

The ratio of sugar to eggs is 1 part sugar to _____ eggs.

• 6

• 12

• 2

• 1

Vanilla Pound Cake

1 1/2 cups of butter

3 cups of sugar

3 cups of flour

6 eggs

1 teaspoon baking powder

2 teaspoons of vanilla

For every 12 parts eggs, _______ cups of sugar is needed

• 3

• 6

• 9

• 12

Which of the following statements is true? Select all that apply.

• All the ratios are equivalent to 1:3

• It cost $3 per sandwich.

• It costs $1 for 3 sandwiches.

• The missing number is $36.

• The missing number is $32

Using the information from the last question, explain the relationship that exists between the number of sandwiches and the cost in dollars. Please explain using the simplest ratio.

Evaluate responses using AI:

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For every 2 cups of water, there are _____ cups of rice.

There are ____ cups of water for every 9 cups of rice.

Which of these are true? Choose ALL that apply.

• 5 pairs of socks will cost $15.

• 7 pairs of socks will cost $21

• $2 will buy 1 pair of socks.

• All of the ratios are equivalent to 1:3 when simplified.

• $60 will buy 20 pairs of socks.

Mrs. Quinto purchases a gallon of milk every 6 days and a box of cereal every 9 days. Today she bough both items. In how many days will she buy both items together again? Find the LCM to figure this out.

• 6 days

• 18 days

• 3 days

• 24 days