7th Grade Fall Semester Exam Review

Front

What is the formula to calculate the percentage of a part compared to a whole?

Back

Percentage = (Part / Whole) * 100

Front

What is probability?

Back

Probability is a measure of the likelihood that an event will occur, expressed as a number between 0 and 1.

Front

How do you calculate the cost per gallon of gas?

Back

Cost per gallon = Total cost / Total gallons

Front

What is the formula for solving for X in a linear equation?

Back

To solve for X, isolate X on one side of the equation.

Front

What is the expected value in probability?

Back

The expected value is the average outcome of a probability experiment, calculated by multiplying each outcome by its probability and summing the results.

Front

What does it mean to not replace an item in probability?

Back

Not replacing an item means that once an item is selected, it is not put back into the pool for subsequent selections.

Front

What is a congruent shape?

Back

Congruent shapes are figures that have the same size and shape.

Front

How do you find the total number of outcomes in a probability experiment?

Back

The total number of outcomes is found by multiplying the number of choices for each event.

Front

What is the relationship between fractions and percentages?

Back

Fractions can be converted to percentages by multiplying by 100.

Front

What is a spinner in probability?

Back

A spinner is a tool used in probability experiments that can land on different sections, each representing an outcome.