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
The Secondary School Admission Test (SSAT) is a multiple-choice standardized exam used by many private, independent, and charter schools to screen their applicants. Students in grades 8-11 applying for high school admission will take the SSAT Upper Level test. Click “Start Test” above to take a free SSAT Upper Level Quantitative practice test, and check … Read more
Definition: Interval notation is a shorthand method for writing sets of numbers, namely continuous ranges of real numbers.. Interval Notation Sample Questions and FAQs Interval Notation Examples Perhaps you are familiar with how we write a finite set of numbers in mathematics. Consider the following example as a refresher: Example 1 Question: Write as a … Read more
Mometrix’s calculus videos are general reviews of the concepts, ideas, and topics that may be presented on an exam. Each of these videos will give a wide-scope review of what a test taker may need to know as they prepare to take a test. Calculating Areas Using Integration Calculating Distances Using Integration Calculating Volumes Using … Read more
The Texas Examinations of Educator Standards (TExES) American Sign Language exam is used to assess the skills and knowledge of prospective entry-level math and science teachers for 4th-8th graders in Texas public schools. Click “Start Test” above to take a free TExES American Sign Language practice test, and check out our premium-quality TExES test prep … Read more
The Occupational Hygiene and Safety Technician (OHST) exam is administered by the Board of Certified Safety Professionals (BCSP) to assess the occupational hygiene knowledge and skills of prospective safety practitioners. Click “Start Test” above to take a free OHST practice test, and check out our premium-quality OHST test prep resources by clicking the links below! … Read more
Even the best teacher may need someone to help them in the classroom. Teaching assistants provide invaluable assistance working with students under the supervision of a certified teacher. They must be well versed in the principles of reading, writing, math, and instructional support. But before teaching assistants enter the classroom, they must pass the New … Read more