Math EOG Review

Front

What is a fraction?

Back

A fraction represents a part of a whole. It consists of a numerator (top number) and a denominator (bottom number). For example, 1/2 means one part out of two equal parts.

Front

How do you add fractions with the same denominator?

Back

To add fractions with the same denominator, keep the denominator the same and add the numerators. For example, 1/4 + 2/4 = (1+2)/4 = 3/4.

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 the perimeter of a rectangle?

Back

The perimeter of a rectangle is the total distance around it, calculated by adding the lengths of all sides. Formula: Perimeter = 2 × (Length + Width).

Front

What is a decimal?

Back

A decimal is a way of representing fractions using a point (decimal point). For example, 0.5 is the decimal representation of 1/2.

Front

How do you convert a fraction to a decimal?

Back

To convert a fraction to a decimal, divide the numerator by the denominator. For example, 1/4 = 1 ÷ 4 = 0.25.

Front

What is a percentage?

Back

A percentage is a way of expressing a number as a fraction of 100. For example, 50% means 50 out of 100.

Front

How do you find 25% of a number?

Back

To find 25% of a number, multiply the number by 0.25. For example, 25% of 200 is 200 × 0.25 = 50.

Front

What is a prime number?

Back

A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself. For example, 2, 3, 5, and 7 are prime numbers.

Front

What is a composite number?

Back

A composite number is a natural number greater than 1 that has more than two positive divisors. For example, 4, 6, and 8 are composite numbers.