2 VocabularyRational Numbers – All numbers EXCEPT non-terminating, non-repeating decimals.Numerator – Top number of a fractionDenominator – Bottom number of a fractionRepeating Decimal – A decimal that repeatsBar Notation – The symbol over a number showing a repeating decimal.
3 VocabularyImproper Fraction – Numerator is larger than the denominator ( )Mixed Number – Whole number and fraction written as one number (2½)Terminating - ending
4 Converting a Fraction to a decimal Divide top number by bottom number.Common Fractions - ¼=.25,½=.5,¾=.75 and = .3, =.6 (repeating decimals)Converting a mixed number – leave the whole number, then divide the fraction part. Write this number after the decimal point.6½ = ⅛ = 7.125
5 Inequality Symbols Greater than > Less than < Greater than or equal to >Less than or equal to <
6 Comparing Numbers Turn all numbers to decimals to compare The larger the decimal, the greater the numberIf one number is negative and the other is positive – the negative number is ALWAYS smaller (less than)The calculator will automatically round at the end of the calculator screen.
7 Converting Numbers Converting Decimals to Percents Move the decimal point two places to the right.Converting Percents to DecimalsMove the decimal point two places to the left.Converting Fractions to DecimalsDivide the numerator by the denominator.