2000 Core English Words 4 영영 Unit 12

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fraction

n. a part of a whole number or thing

plus

Prep. the part of a sum which says a number will be added

division

n. the act of dividing numbers

arithmetic

n. the part of math that deals with numbers

subtract

v. to take one number away from another

divide

v. to split it into several smaller parts

even

adj. one that can be divided into perfectly equal parts

ordinal

adj. a type of number which tells you where something comes in a list

calculate

v. to work out the amount or number of something using math

multiply

v. to increase a number by adding that number to itself a certain number of times

percent

n. a number or value compared to a total value of 100

compass

n. a tool used in math which allows you to draw a perfect circle

billion

n. a very large number made up of a thousand million

formula

n. a mathematical relationship or rule expressed in symbols

less

adv. smaller in size or value than another

equation

n. a statement that the value of two mathematical expressions are equal

minus

prep. the part of a sum that tells us to take something away

dozen

n. another way of saying twelve

graph

n. a picture that shows us numbers or quantities

quarter

n. one of four equal parts of a whole number or thing