7th Grade Math Review

Front

What is the formula to calculate the total cost including sales tax?

Back

Total Cost = Price + (Price × Sales Tax Rate)

Front

What is the circumference of a circle?

Back

The distance around a circle, calculated as Circumference = π × Diameter.

Front

How do you calculate a percentage tip on a bill?

Back

Tip = Bill Amount × Tip Percentage.

Front

What is the result of -32 divided by 8?

Back

-4

Front

How do you find the circumference of a circle if you know the diameter?

Back

Circumference = π × Diameter. For a diameter of 22 meters, Circumference ≈ 69.08 meters.

Front

What is the sales tax rate in the given problem?

Back

6%.

Front

If a computer costs $675, how much is the sales tax?

Back

Sales Tax = $675 × 0.06 = $40.50.

Front

What is the total amount paid for the computer after tax?

Back

Total Amount = $675 + $40.50 = $715.50.

Front

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

Back

Area = π × (Radius)².

Front

What is the relationship between diameter and radius?

Back

Radius = Diameter / 2.