Math

Front

What is the order of operations in mathematics?

Back

The order of operations is a set of rules that determines the sequence in which calculations are performed. The acronym PEMDAS is often used: 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 the value of 6 - 1 x 0 + 2 / 2?

Back

7

Tags

CCSS.7.NS.A.3

Front

What is the value of 1 + 1 + 1 x 0 + 1?

Back

3

Tags

CCSS.7.NS.A.3

Front

What happens when you divide a number by zero?

Back

Dividing by zero is undefined in mathematics.

Tags

CCSS.5.NBT.A.2

Front

What is the solution to the equation 4x + 7 = 2x + 6?

Back

x = -1

Front

What is the absolute value of -213?

Back

213

Tags

CCSS.6.NS.C.7C

Front

What is the definition of an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions, typically containing variables.

Front

What does it mean to solve for x in an equation?

Back

To solve for x means to find the value of the variable x that makes the equation true.

Tags

CCSS.6.EE.B.5

Front

What is a variable in mathematics?

Back

A variable is a symbol, often a letter, that represents a number in mathematical expressions or equations.

Tags

CCSS.6.EE.A.2B

Front

What is the difference between a rational and an irrational number?

Back

A rational number can be expressed as a fraction of two integers, while an irrational number cannot be expressed as a simple fraction.

Tags

CCSS.8.NS.A.1