Math 4 DWSBA #3 (Topics 9, 10, 11, 12)

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fraction

A symbol, such as 2/3, 5/1, or 8/5, used to describe one or more parts of a whole that is divided into equal parts

fraction

a comparison of two numbers by division; a symbol used to name part of a whole, a part of a set, or a location on a number line

number line

a diagram for representing and graphic numbers

decimal point

a dot used to separate dollars from cents in money or to separate ones from tenths in a number

unit fraction

a fraction with a numerator of 1

data set

a group of collected information

benchmark fraction

a known fraction that is commonly used for estimating

mixed number

a number that has a whole number part and a fraction part

decimal (number)

a number with one or more digits to the right of the decimal point

greater than symbol (>)

a symbol that points away from a greater number or expression

less than symbol (<)

a symbol that points towards a lesser number or expression

bar (tape) diagram

a tool used to help understand and solve word problems

line plot

a way to display data along a number line, where each dot represent one number in a set of data

frequency table

a way to display data that shows how many times a response occurs in a set of data

outlier

any number in a data set that is very different from the rest of the numbers

survey

collecting information by asking a number of people the same question(s) and recording their answers

equivalent fractions

fractions that name the same region, part of a set, or a part of a segment

equivalent fractions

fractions that name the same region, part of a set, or part of a segment

numerator

in a fraction, the number above the fraction bar that represents the part of the whole

numerator

in a fraction, the number above the fraction bar that represents the part of the whole; the dividend; the number being divided

equivalent

numbers that name the same amount

scale

numbers that show the units used on a graph

hundredth

on part of 100 equal parts of a whole

tenth

one part of 10 equal parts of a whole

denominator

the number below the fraction bar in a fraction that represents the total number of equal parts in one whole

denominator

the number below the fraction bar in a fraction that represents the total number of equal parts in one whole; the divisor; the number by which another number is divided

whole number

the set of numbers used to count with 0 included; the numbers 0, 1, 2, 3, 4, ...

decompose

to break into parts

compose

to combine parts

like denominators

when two or more fractions have the same denominator (1/5 and 2/5)


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