7th Grade Yearly Review Exam

Front

What is the median of a set of numbers?

Back

The median is the middle value in a list of numbers sorted in ascending order. If there is an even number of values, the median is the average of the two middle numbers.

Front

How do you find the median of the following list: 9, 9, 14, 7, 12, 8, 11, 19, 15, 11?

Back

First, sort the numbers: 7, 8, 9, 9, 11, 11, 12, 14, 15, 19. The median is the average of the 5th and 6th numbers: (11 + 11) / 2 = 11.

Front

What is the greatest value among these expressions: -3 - -6, -3 x -6, -3 + -6, -3 ÷ -6?

Back

The greatest value is -3 x -6, which equals 18.

Front

What does it mean to write a fraction in lowest terms?

Back

A fraction is in lowest terms when the numerator and denominator have no common factors other than 1.

Front

How do you simplify the fraction 7/14?

Back

Divide both the numerator and denominator by their greatest common divisor, which is 7. So, 7/14 simplifies to 1/2.

Front

What is the formula to calculate percentage?

Back

Percentage = (Part / Whole) x 100.

Front

In a class of 30 kids, if 3 forgot to get their report cards signed, what percent is that?

Back

(3 / 30) x 100 = 10%.

Front

How do you convert a percent to a decimal?

Back

To convert a percent to a decimal, divide by 100. For example, 0.32% = 0.32 / 100 = 0.0032.

Front

What is the value of -3 - -6?

Back

-3 - -6 = -3 + 6 = 3.

Front

What is the value of -3 ÷ -6?

Back

-3 ÷ -6 = 0.5.