Operations Real

*.**Numerical Operations

Essential Questions

After completing this lesson, you will be able to answer the following questions:

How are expressions rewritten in simplified form based on the mathematical operations in the expression?

What is the correct order for performing mathematical operations in simplifying expressions?

Main Idea (page #)

DEFINITION OR SUMMARY

EXAMPLE

Real Numbers(P.1)

Natural Number: integers

Numbers: A member of the set of positive integers or zero

Integers: A number that can be written without a fraction or

Rational Numbers: Can include positive/negative fractions and decimals.

Irrational Number: Any real number that can not be expressed as a ratio.

Adding and Subtracting Integers(P.2)

Same sign, find the sum, keep the

Different signs, find the difference, the sign of the larger number

Same Sign: -10-2=-12

Different Sign: -7+8=1

Multiplication and Division of Integers(P.3)

When multiplying or dividing two numbers with the same sign the answer is .

When or dividing two numbers with signs the answer is negative.

Adding and Subtracting with double signs(P.3)

Two negatives will equal a positive.

Two negatives: 8-(-2)=10

Order Of Operations(P.4)

Parenthesis

E

Multiplication/

A /Subtraction

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