Rational Numbers PDF

RATIONAL NUMBERS  RATIONAL NUMBERS Definition of a Rational Number: Any number that can be expressed as a ratio of 2 integers ie. A number in the form , where n ≠ 0, where m and n are integers OR...

RATIONAL NUMBERS  RATIONAL NUMBERS Definition of a Rational Number: Any number that can be expressed as a ratio of 2 integers ie. A number in the form , where n ≠ 0, where m and n are integers OR Positive and negative whole numbers/ integers, decimals (terminating and repeating), and fractions Most numbers we use in everyday life are Rational Numbers. Irrational Numbers: numbers that can not be written as a fraction ie: non-repeating decimals such as: RATIONAL NUMBERS Number As a Fraction Rational ?? 5 1.75.001 -0.1 0.1111... RATIONAL NUMBERS RATIONAL NUMBERS Number As a Rational Fraction ?? 5 5/1 yes 1.75 7/4 yes.001 1 / 1000 yes -0.1 -1 / 10 yes 0.1111... 1/9 yes ??? NO!  RATIONAL NUMBERS What are the values of A, B, C, D? -8 A B -7 -5.2 C D -5.1  RATIONAL NUMBERS What are the values of A, B, C, D? -8 A B -7 -5.20 C D -5.10 -5.18 -5.14  RATIONAL NUMBERS Is there a difference? in value? Comparing Rational Numbers Eg. Place the following numbers on a number line  RATIONAL NUMBERS Is there a difference? NO difference in value as they all equal to -0.25 as a decimal. It does not matter where the negative sign is. Note: when there is an odd number of negatives, the value is negative Comparing Rational Numbers Eg. Place the following numbers on a number line RATIONAL NUMBERS Classwork page 101: #5, 8, 10, 12fh, 14de, 21, 22, 23d, 25b Khan Academy Intro to Rational & Irrational Numbers Classifying Rational & Irrational Numbers Practice Video and Practice on Number lines with negative decimals. Video and Practice on Number lines with negative decimals and fractions.