GMAS Math Review 2024

Front

What is a fraction?

Back

A fraction represents a part of a whole. It is written as two numbers separated by a slash, like 1/2, where the top number (numerator) shows how many parts we have, and the bottom number (denominator) shows how many equal parts the whole is divided into.

Front

What does it mean for a fraction to be equivalent?

Back

Equivalent fractions are different fractions that represent the same value. For example, 1/2 and 2/4 are equivalent because they both represent the same part of a whole.

Front

How do you find a fraction of a shape that is not shaded?

Back

To find the fraction of a shape that is not shaded, count the total number of equal parts in the shape and then count the number of unshaded parts. The fraction is the number of unshaded parts over the total number of parts.

Front

What is the total amount of water Ned drinks in 30 days if he drinks 3 liters a day?

Back

To find the total amount of water Ned drinks in 30 days, multiply the daily amount by the number of days: 3 L/day x 30 days = 90 L.

Front

What is estimation in math?

Back

Estimation is a way to find an approximate value rather than an exact answer. It helps to quickly assess the size or amount of something.

Front

How do you solve for a missing number in a multiplication equation?

Back

To find the missing number in a multiplication equation, you can divide the total by the known number. For example, in the equation 6 x n = 48, you would divide 48 by 6 to find n.

Front

What is a number line?

Back

A number line is a straight line that represents numbers in order. It helps to visualize the position of numbers, including whole numbers, fractions, and decimals.

Front

What is the relationship between multiplication and division?

Back

Multiplication and division are inverse operations. This means that if you know one operation, you can use it to find the other. For example, if 6 x n = 48, then n = 48 ÷ 6.

Front

What is a whole number?

Back

A whole number is a number without fractions or decimals. Whole numbers include 0 and all positive numbers like 1, 2, 3, etc.

Front

What does it mean to estimate a quantity?

Back

Estimating a quantity means making a reasonable guess about how much or how many there are, without calculating the exact number.