Pre-Algebra Review

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 helps remember the order: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

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CCSS.7.NS.A.3

Front

Solve the expression: 8 ÷ 8 + 6 × 2

Back

13

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CCSS.5.OA.A.1

CCSS.5.OA.A.2

Front

Back

t = 40

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CCSS.6.EE.B.7

Front

What do you do when adding integers with the same sign?

Back

Add and keep the sign.

Tags

CCSS.7.NS.A.1C

Front

What is the result of the expression: 2 - (-2)?

Back

2 + 2 = 4

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CCSS.7.NS.A.1C

Front

What is a variable in algebra?

Back

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

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CCSS.6.EE.A.2B

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value(s) of the variable(s) that make the equation true.

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CCSS.8.EE.C.7B

Front

What is the solution to the equation 2x - 3 = 1?

Back

x = 2

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CCSS.7.EE.B.4A

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac. It allows you to multiply a single term by two or more terms inside a set of parentheses.

Tags

CCSS.6.EE.A.3

Front

What is the difference between an expression and an equation?

Back

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