8th Grade Math Category 1 STAAR Review

Front

What is the formula for the area of a rectangle?

Back

Area = length × width.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

How do you calculate the perimeter of a rectangle?

Back

Perimeter = 2 × (length + width).

Tags

CCSS.4.MD.A.3

Front

What is the Pythagorean theorem?

Back

In a right triangle, a² + b² = c², where c is the hypotenuse.

Tags

CCSS.8.G.B.8

Front

What is the formula for the volume of a rectangular prism?

Back

Volume = length × width × height.

Tags

CCSS.7.G.B.6

Front

How do you find the mean of a set of numbers?

Back

Mean = (sum of all values) / (number of values).

Tags

CCSS.6.SP.B.5C

Front

What is the difference between mean, median, and mode?

Back

Mean is the average, median is the middle value, and mode is the most frequent value.

Tags

CCSS.6.SP.B.5C

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, expressed as a fraction or with a colon.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you convert a fraction to a decimal?

Back

Divide the numerator by the denominator.

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

Front

What is the order of operations in math?

Back

PEMDAS: Parentheses, Exponents, Multiplication and Division (left to right), Addition and Subtraction (left to right).

Tags

CCSS.7.NS.A.3

Front

What is a variable in algebra?

Back

A symbol used to represent an unknown value.

Tags

CCSS.6.EE.A.2B