Evaluate Algebraic Expressions and Order of Operations

PEMDAS – tells which operation is performed first so that everyone finds the same value for an expression

• algebraic expression

• perfect square

• term

• order of operations

contains at least one variable and at least one operation

• numerical expression

• algebraic expression

• like terms

• equivalent expression

In a power, the number that tells how many times the base is used as a factor

• coefficient

• constant

• exponent

• property

Use order of operations to evaluate this algebraic expression.

Use order of operations to evaluate this algebraic expression.

Use PEDMSA/ PEMDAS and BOX, SOLVE, REWRITE!

10.7 + [ 8.8 - ( 4 x 1.2 ) ] x 5

• 30.7

• 12.5

• 55.5

• 12.7

Evaluate the expression

• -9

• 28

• 21

• 7

(6² + 4) ÷ 10 x 5

• 20

• 30

• 50

• 90

Evaluate the expression

• 35

• -30

• 22

• -7

Will the value of N + 23 or 23 + N be greater when N = 5?

• No, because N has no value

• Yes, because you will get different values.

• Yes, because N is greater than 5.

• No, because you will get the same value.