7th Grade Math Benchmark Review

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 probability of an event?

Back

Probability of an event = (Number of favorable outcomes) / (Total number of outcomes).

Front

What is the probability of selecting a pink marble from a bag containing 2 pink marbles out of 15 total marbles?

Back

Front

If Cierra has 1 bag with 15 marbles and 1 jar with 30 marbles, how do you find the probability of selecting a pink marble from each?

Back

Multiply the probability of selecting a pink marble from the bag by the probability of selecting a pink marble from the jar.

Front

What is a budget?

Back

A budget is a plan that outlines expected income and expenses over a specific period.

Front

How do you calculate the percentage of a budget spent on a category?

Back

Percentage spent = (Amount spent on category / Total budget) x 100.

Front

If Isaiah spends $600 on his car payment and groceries from a $3000 budget, what percentage does he spend?

Back

He spends 20% of his budget on his car payment and groceries.

Front

What is a spinner in probability?

Back

A spinner is a circular device divided into sections, used to generate random outcomes.

Front

If a spinner has 4 equal sections, what is the probability of landing on any one section?

Back

Front

How do you predict outcomes based on probability?

Back

To predict outcomes, multiply the total number of trials by the probability of the event.