Y9 MAT

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 independent events occurring together?

Back

Multiply the probabilities of each independent event.

Front

What is the probability of winning both games if the probability of winning one game is 2/5?

Back

2/5 x 2/5 = 4/25.

Front

What is the probability of losing both games if the probability of losing one game is 3/5?

Back

3/5 x 3/5 = 9/25.

Front

What is a fraction?

Back

A fraction represents a part of a whole and is expressed as a numerator over a denominator.

Front

How do you convert a percentage to a fraction?

Back

Divide the percentage by 100 and simplify if possible.

Front

Convert 40% to a fraction and simplify.

Back

40% = 40/100 = 2/5.

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing the relative sizes of two or more values.

Front

What is the ratio of red toy cars to all toy cars if there are 3 red cars and 10 total cars?

Back

3:10.

Front

What is the order of operations in mathematics?

Back

The order of operations is Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right), often abbreviated as PEMDAS.