MATH STAAR REVIEW

Front

What is the comparison of decimal numbers?

Back

When comparing decimal numbers, the number with more digits to the right of the decimal point is not always larger. For example, 20.3 is less than 20.35.

Front

How many cups are in a quart?

Back

1 quart = 4 cups. Therefore, if Fabio drinks 2 quarts of water each day, he drinks 8 cups.

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. For example, in r = [625 - (7 x 55)] ÷ 8, calculate the total from the known values first.

Front

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

Back

Volume = length × width × height. For a prism with dimensions 20 inches (length), 11 inches (width), and 13 inches (height), the volume is 2,860 cubic inches.

Front

How do you subtract fractions?

Back

To subtract fractions, make sure they have a common denominator. For example, to subtract 3/8 from 2 1/4, convert 2 1/4 to an improper fraction and find a common denominator.

Front

What is an improper fraction?

Back

An improper fraction is a fraction where the numerator is greater than or equal to the denominator, such as 9/4.

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a proper fraction, such as 2 1/4.

Front

How do you convert quarts to gallons?

Back

There are 4 quarts in 1 gallon. To convert quarts to gallons, divide the number of quarts by 4.

Front

What is the process of solving a word problem in math?

Back

1. Read the problem carefully. 2. Identify the question. 3. Determine what information is given. 4. Create an equation or expression to solve the problem.

Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to calculate its value by substituting numbers for variables and performing the operations.