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Division

Note Taking Guide 1.1

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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)

How to add fractions easilly

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My Pre-Cal teacher taught us this. When you are trying to add fractions during a sine or cosine problem, or something that has to do with a unit circle or a triangle, use this: Ex: 1/4 + 3/5 Multiply 5*1, multiply 4*3 and add them for the numberator, and multiply 4*5 for the denominator. So it would be 5+12/20. 17/20. You multiply the denominator of one and numerator of other by the denominator of other and numerator of one.Then add. That will give you the numerator. Then the denomnator you multiply both denominators and add.

Limits to infinity

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If a limit is approaching infinity, the highest exponent on the numerator or denominator determines whether its zero, or infinity

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Words for Operations

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Handout Module 2 Review ? Words for Operations Subtraction Minus Difference between From Less Less than Fewer than Decreased by Take away ?a number minus 2? ?the difference between a number? ?2 from a number? ?a number less 3? ?2 less than a number? ?2 fewer than a number? ?a number decreased by 2? ?a number take away 2? x ? 2 x ? 8 n ? 2 n ? 3 y ? 3 y ? 2 x ? 2 x ? 2 Addition Plus And Added to Greater than More than Increased by Total Sum of ?a number plus 2? ?3 and a number? ?8 added to a number? ?3 greater than a number? ?3 more than a number? ?a number increased by 2? ?the total length? ?the sum of the length and width? x + 2 3 + n x + 8 n + 3 y + 3 y + 2 l1 + 12 + ? l + w Multiplication Times Product At double, triple, etc. Twice Of (fractions of)
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