Math 7 End of Year Review (KD)

Front

What is percent increase?

Back

Percent increase is a measure of how much a quantity has increased relative to its original amount, expressed as a percentage. It is calculated using the formula: ((New Value - Old Value) / Old Value) * 100.

Front

How do you calculate the area of a triangle?

Back

The area of a triangle can be calculated using the formula: Area = (base * height) / 2.

Front

What is the formula for the area of a circle?

Back

The area of a circle is calculated using the formula: Area = π * radius².

Front

What is a ratio?

Back

A ratio is a relationship between two quantities, showing how many times one value contains or is contained within the other.

Front

How do you find the total surface area of a prism?

Back

The total surface area of a prism is found by calculating the area of all its faces and adding them together. For a rectangular prism, it is: 2(length * width + length * height + width * height).

Front

What is the formula for percent change?

Back

Percent change is calculated using the formula: ((New Value - Old Value) / Old Value) * 100.

Front

How do you convert a ratio to a fraction?

Back

To convert a ratio to a fraction, write the first quantity as the numerator and the second quantity as the denominator.

Front

What is the relationship between area and units squared?

Back

Area is always expressed in square units, such as square feet (ft²), square meters (m²), etc.

Front

What does it mean to simplify a ratio?

Back

Simplifying a ratio means reducing it to its simplest form by dividing both terms by their greatest common divisor.

Front

How do you find the circumference of a circle?

Back

The circumference of a circle is calculated using the formula: Circumference = 2 * π * radius.