This Math quiz is called 'Algebra - Radicals 1 - Adding and Subtracting - Review' and it has been written by teachers to help you if you are studying the subject at middle school. Playing educational quizzes is a fabulous way to learn if you are in the 6th, 7th or 8th grade - aged 11 to 14.
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Do you remember working on radicals? They can be a little confusing at first but after working a number of problems, you’ll be able to catch on pretty quickly. So first, let’s revisit what a radical is and then we’ll do a practice problem.
A radical is a mathematical expression that uses a root such as the square root of a number. The radical expression has three parts, i.e., (1) the radicand - which is simply the number you are trying to find the root of; (2) the radical symbol (√) which means “root of”; and (3) the degree (or the number of times a number is multiplied by itself). See below for more details and examples.