Math End of Year 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.

Front

How do you find equivalent ratios?

Back

To find equivalent ratios, you can multiply or divide both terms of the ratio by the same non-zero number.

Front

What is the formula to find a percentage of a number?

Back

To find a percentage of a number, multiply the number by the percentage (in decimal form). For example, 45% of n is calculated as 0.45 * n.

Front

What is the cost per ounce?

Back

Cost per ounce is calculated by dividing the total cost of the item by the number of ounces it contains.

Front

What does it mean to simplify a fraction?

Back

To simplify a fraction means to reduce it to its lowest terms, where the numerator and denominator have no common factors other than 1.

Front

How do you solve for a variable in an equation?

Back

To solve for a variable, isolate the variable on one side of the equation using inverse operations.

Front

What is the value of m/n when m = 4 and n = 1/2?

Back

The value of m/n when m = 4 and n = 1/2 is 8.

Front

What is an expression in mathematics?

Back

An expression is a combination of numbers, variables, and operators (like +, -, *, /) that represents a value.

Front

What is the relationship between fractions and ratios?

Back

Fractions can be considered as ratios where the numerator represents a part and the denominator represents the whole.

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.