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Lesson 1-2: The Rational Number System Date_____________ p.11 - 17 REAL __________ ___________ __________ __________ __________ Counting or Natural Numbers - __________________________________________ *Every counting number has a successor that is one more than that number. Whole Numbers - ___________________________________________ Integers - _________________________________________________ Rational - _________________________________________________ *can be expressed as a fraction where the denominator is not zero. *The subsets of rationals are: _________, __________, _________ Irrational - ________________________________________________ PROPERTIES OF RATIONAL NUMBERS Date_____________ There is an __________ amount of rational numbers between ______ rational numbers. Ex 1| Name some rational numbers that lie between 1 and 2. a. _____ b. _____ c. _____ d. _____ e. _____ f. _____ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ RATIONALS AS DECIMALS **Every rational number that is not an integer can be written as a fraction. 1. A common fraction is written with a _____________ and ____________. 2. Even decimals can be converted into fractions. 3. _____________ decimals are decimals with a finite number of digits.(They _______.) 4. ___________ or periodic decimals are decimals that keep going endlessly. Ex 2| Convert 0.75 to a fraction. Ex 3| Convert 0.652 to a fraction. Ex 4| Convert 8/11 to a decimal. What kind of decimal is formed? HW: p.16/53-60 all