30 Test Prep Tutorials

These Test Prep tutorials are written by experienced educators, all of whom also offer private tutoring lessons. Get the Test Prep help you need, whether through these tutorials or through private tutoring lessons.

Free SAT II Physics Practice Questions with Solutions

Sat Physics subject questions on waves and their properties, with detailed solutions, similar to the questions in the SAT test are presented. Thousands of math problems and questions with solutions and detailed explanations are included. Free math tutorials and problems to help you explore and gain deep understanding of math, calculus, trigonometry and geometry topic.

Vocabulary in context

Critical reading aspects of the Reading section for the SAT require the student to complete a sentence or passage by selecting the appropriate response.

Problem Solving

A sample question similar to some that might show up on the GRE Math portion.

Pronouncing the English TH sound

Most people learning English as a foreign language have problems with pronouncing words correctly, and since we speak with sounds pronouncing a word incorrectly can end up in devastating consequences.

probability and statistics

This is the problem in the probability and statistics asked frequenlty in the GRE-Quant section .In this problem ,we will have a look at the typical problem in the subject area which lays foundation concept for the further problems related to the probability which carries important portion in the GRE examination.

Road Trip

Simple two step algebra problem

How to understand passages from 18th and 19th century lit

Have you studied for the SAT and run into passages from 18th and 19th literature? Or worse yet, on the test itself? My latest SAT student read a passage from Moll Flanders (1722), rolled his eyes, and said, “What did that even mean?” I can understand his frustration. Writing from even the 1850s can seem…

How to Read All Passages in Required Time

My ACT Reading score was horrendous. I was so mad because I actually enjoy reading. But my problem was, I didn’t read fast enough. After studying test prep for about a month to figure out how to get my ACT score actually reflect my skills, I cracked the code and raised my Reading ACT score…

Number of zeros at the end of n!

n! is defined as product of 1st n natural numbers. n! = n*(n-1)*(n-2)*….3*2*1, n must be natural (whole) number. Eg. 4!= 4*3*2*1 = 24 5!= 5*4*3*2*1 = 120 and so on. Note : 0! = 1 (explanation lies in theory of permutation & combination)


The problem today will be fixing run-on sentences, incomplete sentences, compound, and simple sentences, by separating and combing dependent and independent clauses.