STAAR Math Review

Front

What is a fraction?

Back

A fraction represents a part of a whole and is written as 'a/b', where 'a' is the numerator and 'b' is the denominator.

Front

How do you subtract fractions with the same denominator?

Back

To subtract fractions with the same denominator, subtract the numerators and keep the denominator the same. Example: 3/8 - 1/8 = (3-1)/8 = 2/8.

Front

What is the area of a rectangle?

Back

The area of a rectangle is calculated by multiplying its length by its width. Formula: Area = Length × Width.

Front

What is a protractor used for?

Back

A protractor is a tool used to measure angles in degrees.

Front

How do you find the length of a rectangle if you know the area and the width?

Back

To find the length, divide the area by the width. Example: If Area = 117 sq ft and Width = 9 ft, Length = 117/9 = 13 ft.

Front

What is the product of two numbers?

Back

The product is the result of multiplying two numbers together. Example: The product of 5 and 4 is 20.

Front

What does it mean to measure an angle?

Back

Measuring an angle means determining its size in degrees using a protractor.

Front

What is the sum of two fractions?

Back

To add fractions, if they have the same denominator, add the numerators and keep the denominator the same. If they have different denominators, find a common denominator first.

Front

What is a whole number?

Back

A whole number is a non-negative number without fractions or decimals, including zero.

Front

What is the difference between acute, obtuse, and right angles?

Back

An acute angle measures less than 90 degrees, a right angle measures exactly 90 degrees, and an obtuse angle measures more than 90 degrees.