Understanding mathematics vocabulary is essential for students to excel in their math studies. Here are some key terms and their explanations to help you build your math vocabulary:

Addition is a mathematical operation that combines two or more numbers to find their total sum. For example, 2 + 3 = 5.

Subtraction is a mathematical operation that finds the difference between two numbers. For example, 5 - 3 = 2.

Multiplication is a mathematical operation that combines groups of numbers to find their total. For example, 2 x 3 = 6.

Division is a mathematical operation that splits a number into equal groups. For example, 6 ÷ 2 = 3.

A fraction represents a part of a whole or a part of a set. It consists of a numerator (the top number) and a denominator (the bottom number). For example, 1/2 represents one half of a whole.

A decimal is a way of writing numbers that are not whole numbers. It includes a decimal point and digits to the right of the decimal point, representing parts of a whole number. For example, 3.5 represents three and five-tenths.

Area is the amount of space inside a shape. It is measured in square units, such as square inches or square centimeters.

Perimeter is the distance around the edge of a shape or the total length of its sides. For example, to find the perimeter of a rectangle, you would add the lengths of all four sides.

A polygon is a closed figure made up of straight lines. Common examples include triangles, squares, and pentagons.

By familiarizing yourself with these key mathematics vocabulary terms, you can confidently tackle various math problems and better understand mathematical concepts.

Study GuideMathematics Vocabulary Worksheet/Answer key

Mathematics Vocabulary Worksheet/Answer key

Mathematics Vocabulary Worksheet/Answer key

Mathematics Vocabulary

Reading Standards: Foundational Skills

Phonics and Word Recognition

Know and apply grade-level phonics and word analysis skills in decoding words. [RF.2.3]

Recognize and read grade-appropriate irregularly spelled words. [RF.2.3f]