Tham khảo tài liệu 'arithmatic english 13', ngoại ngữ, anh ngữ phổ thông phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | -------------------------------- GLOSSARY OF MATH TERMS --------------------------------------------- even number a counting number that is divisible by 2 expanded notation a method of writing numbers as the sum of their units hundreds tens ones etc. . The expanded notation for 378 is 300 70 8. exponent a number that indicates an operation of repeated multiplication. For instance 34 indicates that 3 should be multiplied by itself 4 times. factor one of two or more numbers or variables that are being multiplied together fractal a geometric figure that is self-similar that is any smaller piece of the figure will have roughly the same shape as the whole. improper fraction a fraction whose numerator is the same size as or larger than its denominator. Improper fractions are equal to or greater than 1. integer all of the whole numbers and negatives too. Examples are -3 -2 -1 0 1 2 and 3. Note that integers do not include fractions or decimals. multiple of a multiple of a number has that number as one of its factors. The number 35 is a multiple of 7 it is also a multiple of 5. negative number a real number whose value is less than 0 numerator the top number in a fraction. The numerator of 4 is 1. odd number a counting number that is not divisible by 2 percent a ratio or fraction whose denominator is assumed to be 100 expressed using the sign. 98 is equal -98- to 100 . perimeter the distance around the outside of a polygon polygon a closed two-dimensional shape made up of several line segments that are joined together positive number a real number whose value is greater than 0 prime number a real number that is divisible by only 2 positive factors 1 and itself product the result when two numbers are multiplied together proper fraction a fraction whose denominator is larger than its numerator. Proper fractions are equal to less than 1. proportion a relationship between two equivalent sets of fractions in the form b d quotient the result when one number is divided into .
