ACT Math Practice

Front

What is the order of operations in mathematics?

Back

The order of operations is a set of rules that determines the sequence in which calculations are performed. The acronym PEMDAS is often used: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

How do you calculate the average of a set of numbers?

Back

To calculate the average, sum all the numbers in the set and then divide by the total count of numbers. Formula: Average = (Sum of all numbers) / (Count of numbers).

Front

What is probability and how is it calculated?

Back

Probability is a measure of the likelihood of an event occurring. It is calculated as the number of favorable outcomes divided by the total number of possible outcomes. Formula: Probability = (Number of favorable outcomes) / (Total number of outcomes).

Front

What does it mean for two expressions to be equivalent?

Back

Front

What is a polynomial expression?

Back

Front

Back

Front

What is the formula for the area of a rectangle?

Back

The area of a rectangle is calculated by multiplying its length by its width. Formula: Area = Length × Width.

Front

What is the distributive property in mathematics?

Back

The distributive property states that a(b + c) = ab + ac. It allows you to multiply a single term by two or more terms inside parentheses.

Front

How do you find the probability of drawing a number less than 9 from 1 to 15?

Back

Front

What is the average of a list of numbers?

Back

The average is the sum of the numbers divided by the count of the numbers. If the average of 4 numbers is 92, the total sum is 4 × 92 = 368.