To solve this challenge you should know what square root is and how equations that include square roots must be solved. Also, to get the right answer you must be aware of rational and irrational numbers and what makes them different from each other.

In this math problem we will test your understanding of fractional numbers. To come up with the right answer you need to know what proper and improper fractional numbers are, how improper can be turned into proper ones and how they are connected with rational and irrational numbers.

With the help of this challenge we would like to test your understanding of rational and irrational number. We have put many traps into this questions including square root, fractions and negative numbers. Good luck.

To solve this math problem you need to know what fractional numbers are and how they interact in different mathematical operations. Note that some fractions can be simplified, but you don't need to simplify them.

In this challenge we will check if you understand what mathematical powers are and how apply them to fraction. You are given a certain fractional number and your task is to raise it to a certain power.

In this task you are given a number in different representations. You need to convert scientific notation into the decimal representation. This may be harder than it looks.

In this task we will check your understanding of scientific notation and how it can be used. You are given a number represented with slightly different scientific notations. To solve this challenge you need to pick a number in a proper power.

In this challenge we will test your percent skills and if you know how to work with money and big numbers. To solve this math problem you need to form a mathematical proportion and following its rules with the help of basic mathematical operations like multiplication and division get the right answer.

To solve this challenge you will need to use your division skills. You are given a total price paid for a certain number of products. Your task is to find the value of every product, but as far as all products have the same price tag - this should be an easy challenge.