What is an algebraic expression? An algebraic expression is a mathematical phrase that includes variables, constants, coefficients, and algebraic operations. For example, is an algebraic expression. Unlike algebraic equations, algebraic expressions do not have equal signs. Algebraic Expression Sample Questions There are several types of algebraic expressions. A monomial is an algebraic expression with only … Read more
Return to Basic Arithmetic Videos
How to Multiply Fractions
At Mometrix, we’re passionate about education and committed to helping your students succeed on the TSI exam. To support a variety of learning needs and institutional goals, we offer three distinct prep resources, each designed not only to teach the material but to do so within the specific context of the TSI exam. Our goal … Read more
Factoring polynomials is an important skill to master because it allows us to rewrite polynomials in a simpler form. The process of factoring helps us understand more about the equations we are working with and produces useful information. For example, solutions are often much easier to identify when a polynomial is in a factored form. … Read more
The CAST exam is required of potential hires at many construction and utilities companies. The Graphic Arithmetic test is one of the four tests that make up the CAST exam, and it measures your skill and expertise in interpreting visual data and performing basic arithmetic calculations. Click “Start Test” above to take a free CAST … Read more
Calculating surface area is a skill that can be applied in many real-world situations. Area calculations are made for scenarios such as determining the number of tiles needed to cover the bottom of a swimming pool, the amount of wrapping paper needed to wrap a gift, or the amount of square footage you have in … Read more
Return to Probability Videos
Mometrix Academy Editorial Guidelines Our Mission Educate and empower people to achieve their maximum God-given potential, so they can serve others and provide for themselves and their families. Taking the next step in your education and career is a big deal—one that we don’t take lightly. As part of our mission to help people … Read more
Adding Two Numbers with Different Signs To add numbers with different signs, we subtract the two numbers, and the answer gets the sign of the number with the largest absolute value. Example 1 For example, let’s say you are asked to find the sum of 7 and -9. Since the two numbers have different signs, … Read more