Consecutive Interior Angles Overview

At first, the term “consecutive interior angles” may seem intimidating. However, try breaking it down word-by-word: To be consecutive means to ‘sit’ next to each other (or follow one another). Something that is interior is contained in between other things. An angle is a space measured between two intersecting lines. Consecutive Interior Angles Sample Questions … Read more

PTCB Study Guide

Earn your Pharmacy Tech Certification Quickly With Our PTCB Study Guide Pass Your Test The First Time You’re ready to add CPhT to your title. Our study guide makes the most use of your limited time. Buy Printed Book($32.99)Buy eBook($27.99) PTCB Exam Prep 2025-2026 Study Guide – PTCB Secrets Review Book [8th Edition] 2025-02-01 2025 … Read more

One-to-One Functions Overview

What is a One-to-One Function? We say that a function is one-to-one if for all -values, there are unique y-values, or equivalently, there are unique -values. An easy way to visualize this concept is in the case of continuous functions, where they must be strictly increasing or strictly decreasing to be considered one-to-one. One-to-One Sample … Read more

CAST Practice Test

A wide variety of employment opportunities exist in the fields of construction and skilled trades. Candidates seeking employment in one of these positions will most likely be required to take the Construction and Skilled Trade Selection System examination (CAST). Click one of the options below to take a free CAST practice test! CAST Graphic Arithmetic … Read more

Multiplying and Dividing Signed Numbers Overview

When multiplying and dividing signed numbers, we start by applying the operation to the absolute value of both numbers. If the two numbers have the same sign, the answer will be positive, if the two numbers have different signs, the answer will be negative. Signed Numbers Sample Questions The following rules show that when the … Read more

ASVAB Mathematics Knowledge Practice Test

The ASVAB Mathematics Knowledge (MK) test examines your knowledge of high-school mathematics principles. To help you prepare for this section of the ASVAB, this page contains everything you need to know, including what topics are covered, how many questions there are, and how you can study effectively. Click “Start Test” above to take a free … Read more

Area of a Circle Calculator

Circle Calculator Enter any value to calculate the others Radius mmcmmkminftydmi Diameter mmcmmkminftydmi Circumference mmcmmkminftydmi Area mm²cm²m²km²in²ft²yd²mi² Reset Found a bug? Let us know! Knowing how to solve for the area, circumference, diameter, and radius of a circle is an important math concept to understand. Take a look at the examples below to see how … Read more

PERT Practice Test

The Postsecondary Education Readiness Test (PERT) is administered by the state of Florida to adequately assess your academic skills in mathematics, reading, and writing. How well you score on the exam will determine your placement into appropriate college courses. Click the “Start Test” button above to begin our free PERT practice test! These practice questions … Read more

PSAT Practice Test

Every year, thousands of high school students across the country prepare for the Scholastic Aptitude Test (SAT). But before they take the SAT, students prepare throughout their high school years by taking the Preliminary SAT/National Merit Scholarship Qualifying Test (PSAT/NMSQT). Click the “Start Test” above to begin your free PSAT practice test! These practice questions … Read more