7th grade Math Final Review

Front

What is the formula for calculating the volume of a cube?

Back

Volume = side length × side length × side length (V = s³)

Front

If a jacket costs $85.00 and is on sale for 40% off, how do you calculate the sale price?

Back

Sale Price = Original Price - (Original Price × Discount Rate) = $85.00 - ($85.00 × 0.40) = $51.00

Front

How do you determine who is cutting lawns faster based on their rates?

Back

Calculate the rate for each person: Rate = Lawns cut / Time taken. Compare the rates.

Front

What are integers?

Back

Integers are whole numbers that can be positive, negative, or zero. They do not include fractions or decimals.

Front

What is the volume of a cube with a side length of 3 inches?

Back

Volume = 3 inches × 3 inches × 3 inches = 27 inches³.

Front

What is the relationship between angles in a triangle?

Back

The sum of the interior angles in a triangle is always 180°.

Front

What does it mean to find a percentage of a number?

Back

To find a percentage of a number, multiply the number by the percentage (as a decimal). For example, 40% of 85 is 0.40 × 85.

Front

What is the difference between a rational number and an integer?

Back

A rational number can be expressed as a fraction, while integers are whole numbers without fractions or decimals.

Front

How do you convert a fraction to a decimal?

Back

Divide the numerator by the denominator. For example, 1/4 = 0.25.

Front

What is the formula for the area of a rectangle?

Back

Area = length × width.