STILLWATER CROSSING · THE KIT

Glossary

Forty terms, survey-kit plain.
numeratorthe top of a fraction, counting the pieces
denominatorthe bottom of a fraction, naming the piece size
equivalent fractionsdifferent names for the same amount
simplest forma fraction whose top and bottom share no factor but one
mixed numbera whole number together with a fraction
improper fractiona fraction with a top as big as or bigger than its bottom
reciprocala fraction flipped upside down
common denominatora shared bottom for unlike fractions
decimala number written with a point and place values
place valuethe worth of a digit by its position
percenta ratio out of one hundred
ratioa comparison of two quantities by division
averagethe sum divided by the count
primea number with exactly two factors
compositea number with more than two factors
factora number that divides another evenly
multiplea number in another number’s times table
GCFthe greatest common factor
LCMthe least common multiple
perimeterthe distance around a figure
areathe space a flat figure covers
volumethe space a solid figure holds
estimatea careful, close guess
remainderwhat is left after dividing