SC Ready 8th Grade Math

Front

What is the formula for the volume of a cone?

Back

Front

How do you calculate the relative frequency from a two-way table?

Back

Relative frequency is calculated by dividing the frequency of a specific category by the total frequency. For example, if 44 out of 100 students rode the bus, the relative frequency is 44/100 = 0.44 or 44%.

Front

What does '11 less than four times a number' mean in algebraic terms?

Back

It can be expressed as: 4x - 11, where x is the unknown number.

Front

What is the formula for the volume of a cylinder?

Back

Front

How do you find the empty space in a filled cylinder?

Back

Calculate the total volume of the cylinder and subtract the volume of the water filled. Empty space = Total Volume - Volume of Water.

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together. It is expressed as a quantity per one unit of another quantity.

Front

How do you convert a fraction to a percentage?

Back

To convert a fraction to a percentage, divide the numerator by the denominator and then multiply by 100. For example, 1/4 = 0.25 = 25%.

Front

What is the significance of the radius in volume calculations?

Back

The radius is crucial in volume calculations for circular shapes, as it determines the size of the base area, which affects the overall volume.

Front

What does 'product of -1 and the number' mean?

Back

It means to multiply the number by -1, which will change its sign. For example, if the number is x, the product is -x.

Front

How do you solve for an unknown in an equation?

Back

To solve for an unknown, isolate the variable on one side of the equation using inverse operations.