1. 0.5 + 3 2. 4.57 – 3.4 ANSWER 3.5 ANSWER 1.17

Ex: a Ex: 7 + n Ex : x = 5 x + 3 Ex: Ex: 5 is the base A letter used to represent one or more numbers Ex: a A collection of numbers, variables, and operations Ex: 7 + n Ex : x = 5 x + 3 Substituting a number for the variable, performing the operation(s), and Simplifying the result if necessary Ex: An expression that represents repeated multiplication of the same factor Ex: 5 is the base The number or expression that is used as a factor in repeated multiplication A number or expression that represents the number of times the base is used as a factor Ex: 3 is the exponent

4 4 44 multiply 4 4 3 Divide 4 4 1 Subtract 56 4 2 14

12 First 2x2x2 Third Cubed Second Squared Fourth a x a x a x a

9 64

Guided Practice on page 5

Answers to book work

( ) [ ] The rules to solve an expression involving more than one operation. *Grouping Symbols ( ) [ ] Grouping Symbols *Powers Powers Multiply Subtract

4 Evaluate 4 60 4 Multiply 15 Divide 15 10 Subtract

Guided Practice on page 10

Answers to book work

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