Pre Algebra Test Study

Front

Write an expression for the difference of 27 and a 3 times number.

Back

27 - 3n

Tags

CCSS.6.EE.A.2A

Front

Simplify (1 + 6) ⋅ 6.

Back

42

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Front

Solve 2x + 4 = 28.

Back

x = 12

Tags

CCSS.7.EE.B.4A

Front

Simplify 6 ⋅ 5 - 2.

Back

28

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Front

Simplify -4 + 4 - 30 ÷ 3.

Back

-10

Tags

CCSS.7.NS.A.3

Front

What is the definition of a variable in algebra?

Back

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

Tags

CCSS.6.EE.A.2B

Front

What does it mean to simplify an expression?

Back

To reduce an expression to its simplest form by performing operations and combining like terms.

Front

What is the order of operations in mathematics?

Back

Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right) - often abbreviated as PEMDAS.

Tags

CCSS.7.NS.A.3

Front

What is the difference between an equation and an expression?

Back

An equation states that two expressions are equal, while an expression is a combination of numbers, variables, and operations without an equality sign.

Front

What is the solution to an equation?

Back

The value(s) of the variable(s) that make the equation true.