Hands On Equations:
Investigation 1: Order Of Operations (PEMDAS)

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Order of Operations
Two Step Equations

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Funbrain Order of Ops Game
Dositey Order of Operations
AAA Math Order of Operations
OrderOfOps Basketball
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SliderMath Order of Ops 1
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NCTM Order of Ops Bingo
NCTM Primary Krypto Game
Shodor Order of Ops 4
Shodor Order of Ops Quiz

Picture Vocabuary

Order of Operations PEMDAS:
first--> Parenthesis, Exponents, Divide, Multiply, Add, Subtract (last)
Not following the order can lead to wrong solutions.

A mathematical phrase that combines numbers and/or variables using mathematical operations.
An expression is a representation of a value; for example, variables and/or numerals that appear alone or in combination with operators are expressions.
5 + 6 – (3 + 2)/18
a + b – c

Variables are (usually) letters or other symbols that represent unknown numbers or values.
a, b,c, n, x, y, z, speed, distance

A mathematical sentence that uses the equal sign (=) to show that two expressions are equal.
    10 + 2 = 12
    4a - 3b = 1