RATIOS INTRO

How can you express a ratio as a fraction?

• By placing the first quantity over the second quantity (e.g., 2:3 becomes 2/3).

• By adding the two quantities together (e.g., 2:3 becomes 5).

• By multiplying the two quantities (e.g., 2:3 becomes 6).

• By writing the quantities as a decimal (e.g., 2:3 becomes 0.67).

What is a ratio?

• A ratio is a comparison of two quantities by division, showing how many times one value contains or is contained within the other.

• A ratio is a mathematical expression that represents the difference between two numbers.

• A ratio is a method of calculating the average of a set of numbers.

• A ratio is a way to express a quantity in terms of another quantity, usually as a percentage.

How do you find the ratio of two quantities?

• To find the ratio, divide each quantity by the greatest common factor and express it in simplest form.

• Multiply both quantities together and express the product as a ratio.

• Add both quantities together and express the sum as a ratio.

• Subtract the smaller quantity from the larger one and express the difference as a ratio.

What is a part-to-whole ratio?

• A part-to-whole ratio compares a part of a quantity to the entire quantity, such as the ratio of boys to the total number of students.

• A part-to-whole ratio is the same as a fraction, representing only the part without considering the whole.

• A part-to-whole ratio is used to compare two different quantities that are unrelated.

• A part-to-whole ratio is a method of calculating percentages without any reference to a total.

If Kelly has 5 school apps and 3 game apps, what is the ratio of school apps to game apps?

• 5:2

• 5:3

• 4:3

• 6:3

What is the boy:girl ratio in a class with 15 boys and 20 girls?

• 15:20

• 3:5

• 4:5

• 3:4

What does it mean for a ratio to be in simplest form?

• A ratio is in simplest form when the numbers cannot be reduced any further, meaning they have no common factors other than 1.

• A ratio is in simplest form when it is expressed as a percentage.

• A ratio is in simplest form when both numbers are equal.

• A ratio is in simplest form when it is written as a fraction with a denominator of 100.

If there are 10 red balls and 5 blue balls, what is the ratio of red to blue balls?

• 10:5

• 2:1

• 5:10

• 1:2

How do you write a ratio?

• Using a colon (e.g., 2:3)

• As a decimal (e.g., 0.67)

• As a percentage (e.g., 67%)

• With the word 'and' (e.g., 2 and 3)

What is the ratio of triangles to squares if there are 4 triangles and 3 squares?

• 4:2

• 3:4

• 4:3

• 2:4