Chapter 5 Pre-Knowledge

Front

What is a fraction?

Back

A fraction represents a part of a whole and is expressed as a ratio of two integers, where the numerator is the part and the denominator is the whole.

Front

How do you multiply fractions?

Back

Front

What is the simplest form of a fraction?

Back

The simplest form of a fraction is when the numerator and denominator have no common factors other than 1.

Front

How do you reduce a fraction?

Back

To reduce a fraction, divide both the numerator and the denominator by their greatest common divisor (GCD).

Front

What is probability?

Back

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

Front

How do you calculate the probability of an event?

Back

Front

What is the probability of an event that is certain to happen?

Back

The probability of an event that is certain to happen is 1 or 100%.

Front

What is the probability of an event that cannot happen?

Back

The probability of an event that cannot happen is 0 or 0%.

Front

How do you add fractions with the same denominator?

Back

Front

How do you add fractions with different denominators?

Back

To add fractions with different denominators, find a common denominator, convert the fractions, and then add the numerators.