7th Grade NSCAS Math Review

Front

What is the formula to calculate the selling price after applying a markup?

Back

Selling Price = Cost Price + (Markup Rate × Cost Price)

Front

If a computer game costs $25 and has a markup rate of 40%, what is the selling price?

Back

$35

Front

How do you determine the duration a larger bottle of shampoo will last based on a smaller bottle's usage?

Back

Use the ratio of the volumes: (Volume of larger bottle / Volume of smaller bottle) × Duration of smaller bottle.

Front

If a 12-ounce bottle of shampoo lasts 16 weeks, how long will an 18-ounce bottle last?

Back

24 weeks

Front

What is the formula to calculate the amount spent after a percentage reduction?

Back

Amount Spent = Original Amount - (Reduction Rate × Original Amount)

Front

Mark spent $178 on groceries. If he reduces his grocery costs by 15%, how much will he spend next month?

Back

$151.30

Front

What is the formula for calculating the area of a rectangle?

Back

Area = Length × Width

Front

If a rectangle has a length of 8 ft and a width of 4 ft, what is its area?

Back

32 ft²

Front

What is a composite figure in geometry?

Back

A composite figure is a shape that is made up of two or more simple shapes.

Front

How do you find the area of a composite figure?

Back

Calculate the area of each simple shape and then sum them up.