Basic Math Operations and Vocabulary

Front

What is the Order of Operations?

Back

The Order of Operations is a set of rules that determines the sequence in which calculations are performed in a mathematical expression. It is often remembered by the acronym PEMDAS (Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right)).

Tags

CCSS.7.NS.A.3

Front

What is a variable in mathematics?

Back

A variable is a symbol, often represented by a letter, that stands for a number that can change or vary. For example, in the expression 5x + 7, 'x' is the variable.

Tags

CCSS.6.EE.A.2B

Front

What is the value at which water freezes?

Back

Water freezes at 32 degrees Fahrenheit (0 degrees Celsius).

Front

What does the term 'solution set' mean?

Back

A solution set is the set of all values that satisfy a given mathematical equation or inequality.

Front

What is an exponent?

Back

An exponent is a number that indicates how many times to multiply a base number by itself. For example, in 2^3 (2 raised to the power of 3), 2 is the base and 3 is the exponent, which means 2 x 2 x 2.

Tags

CCSS.6.EE.A.1

Front

What is the sum of 5 and 7?

Back

The sum of 5 and 7 is 12.

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CCSS.1.OA.A.1

Front

What is subtraction?

Back

Subtraction is a basic mathematical operation that represents the operation of removing objects from a collection. For example, 10 - 4 = 6.

Tags

CCSS.2.OA.A.1

Front

What is multiplication?

Back

Multiplication is a mathematical operation that represents the repeated addition of a number. For example, 4 x 3 means adding 4 three times (4 + 4 + 4 = 12).

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CCSS.3.OA.A.1

Front

What is division?

Back

Division is a mathematical operation that represents the process of splitting a number into equal parts. For example, 12 ÷ 4 = 3, meaning 12 is split into 4 equal parts of 3.

Tags

CCSS.3.OA.A.2

Front

What is the difference between a prime number and a composite number?

Back

A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself. A composite number is a natural number greater than 1 that has more than two positive divisors.

Tags

CCSS.4.OA.B.4