Ratio, Rate, Percentage Review

Front

What is a ratio?

Back

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

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you express a ratio?

Back

A ratio can be expressed in three ways: using a colon (e.g., 2:3), as a fraction (e.g., 2/3), or with the word 'to' (e.g., 2 to 3).

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is a percentage?

Back

A percentage is a way of expressing a number as a fraction of 100. It is denoted by the symbol '%'.

Front

How do you calculate a percentage of a number?

Back

To calculate a percentage of a number, multiply the number by the percentage (in decimal form). For example, 20% of 50 is 50 * 0.20 = 10.

Tags

CCSS.6.RP.A.3C

Front

What does 100% of a number mean?

Back

100% of a number is the whole number itself. For example, 100% of 60 is 60.

Tags

CCSS.6.RP.A.3C

Front

What is the formula to find the sale price after a discount?

Back

Sale Price = Original Price - (Discount Percentage × Original Price).

Tags

CCSS.6.RP.A.3C

Front

If a shirt costs $25 and is on sale for 40% off, what is the discount amount?

Back

The discount amount is $25 × 0.40 = $10.

Tags

CCSS.6.RP.A.3C

Front

What is the final price of an item after applying a discount?

Back

Final Price = Original Price - Discount Amount.

Tags

CCSS.6.RP.A.3C

Front

What is the symbol for percentage?

Back

The symbol for percentage is '%.'

Front

How do you convert a fraction to a percentage?

Back

To convert a fraction to a percentage, divide the numerator by the denominator and multiply by 100.