This is the 2016 MTAP Grade 7 Math Challenge questions 26 to 30. Solutions and answer will be posted later. More reviewers can be found on the **Past Tests** and **All Posts** pages.

1.) Simplify: .

2.) By how much is greater than ?

3.) Write in scientific notation.

4.) The product of two prime numbers is . What is the sum of the two numbers?

5.) A shirt is marked P 315 after a discount of 10% and value added tax of 12%. What was the price of the shirt before tax and the discount?

6.) How many different lengths of diagonals does a regular octagon have? Continue reading