 | Term | Definition |
| |
acute angle |
angle measuring less than 90 degrees |
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addend |
any one set of numbers to be added |
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area |
the number of square units needed to cover a flat surface |
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common denominator |
a number that is a multiple of the denominators of two or more fractions |
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common multiple |
a number that is a multiple of two or more numbers |
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composite number |
a whole number greater than 1 that as more than two factors |
| |
decagon |
polygon with 10 sides |
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decimal point |
a point used to seperate ones and tenths in decimals |
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denominator |
the number below the bar in a fraction |
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divisible |
a number is divisible by another number if the remainder is 0 whn the number is divided by the other number |
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equilateral triangle |
a triangle with 3 congruent sides and 3 congruent angles |
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even number |
a whole number divisible by 2 |
| |
exponent |
a numberthat tells how many tims another number is to be used as a factor |
| |
factor tree |
a diagram used to find the prime factors of a number |
| |
factor |
one of two or more numbers that are multiplied to form a product |
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height |
the perpendicular distance between the distance of a geometric figure. In a trianglethe perpendicular distance from the opposite vertex to the line containing the base |
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hexagon |
polygon with 6 sides |
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intersecting lines |
lines that meet or cross |
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least common denomiator |
the least common multipleof the denominators of wo r more fractions |
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line |
a set of points in order extending indefinetly in opposite directions |
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multiple |
a number that is the product of a iven number and any whole number |
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numerator |
the number above the bar in a fraction |
| |
obtuse triangle |
triangle with one obtuse angle |
| |
odd number |
a whole numbr that is not a multiple of 2 |
| |
paralleogam |
a quadrilateralwith two pairs of parellel sides |
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percent |
the ratio or comparison of a numberto 100 |
| |
perpendicular lines |
lines tha intersect to form right angles |
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point |
an exact locaton, or position usully represented by a dot |
| |
prime factorization |
expressing a composite number as the product of prime numbers |
| |
product |
the answer in multiplication |
| |
protractor |
an instrumet used to measuring angles |
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quotient |
answer in division |
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ratio |
a comparison of two numbers or quantities by division |
| |
reciprocals |
two numbers who's product is 1 |
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remainder |
the numer left over when division is complete |
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right angle |
angle measuring 90 derees |
| |
rounding |
to approxmate a number by replacing it with a number expressed in tens, hundreds, thousands,and so on |
| |
acute triangle |
triangle with three acute angles |
| |
angle |
a figure formed by two rays that havea common end point |
| |
cancellation |
the dividing of any numerator and denominator of a set of fractions by their greatest common factor before multplying |
| |
common factor |
a number that is a factor of two or more numbers |
| |
complementary angle |
if the sum of two angles measures 90 degrees |
| |
cross products |
the products obtained by multiplying the numerator of one fraction by the denominator of a second fraction and the denominator of the first fraction by the numerator of the second fraction |
| |
decimal |
a number with a decimal point separating the ones from the tenths place |
| |
degree |
a unit used to measure angles- a unit used to measure temperature on the celsius or fahrenheit |
| |
difference |
the answer in subtraction |
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divisor |
the number by which the dividend is divided |
| |
equivalent fraction |
fractions that show different numbers with the same value |
| |
expanded form |
the written form of a number that shows the place value of each of its digits |
| |
factor |
one of two or more numbers that are multiplied to form a product |
| |
formula |
a rule that is expressed by using symbols |
| |
GCF |
Greatest Common Factor |
| |
heptagon |
polygon with 7 sides |
| |
improper fraction |
a fraction whose numerator is larger than the denominator |
| |
isosceles triangle |
a triangle with two equal sides |
| |
LCM |
least common multiple |
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lowest terms |
a fraction is in lowest terms when its numertor and denominator have no common factors other than 1 |
| |
numeral |
a stmbol for a number |
| |
obtuse angle |
angle measurng more than 90 degrees |
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octagon |
polygon with 8 sides |
| |
parallel lines |
lines in a plane that never itersect |
| |
pentagon |
polygon with 5 sides |
| |
perimeter |
distance around a figure |
| |
place value |
the value of a digit depending on its position, or place, in a number |
| |
polygon |
simple cloed figure with line segmets for sides |
| |
prime number |
a whole number greaterthan 1 that has only two factors, 1 and itself |
| |
proportion |
number sentence that shows two ratios are equal |
| |
quadrilateral |
a four-sided polygon |
| |
rate |
a ratio that compares unlike quantities |
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ray |
part of a line segment, starting with a point and going on forever in the other direction |
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rectangle |
quadrilateral with 4 right angle |
| |
rhombus |
a parallelogram with four equal sides |
| |
right triangle |
a triangle with one right angle |
| |
scalene triangle |
a triangle with no equal sides |
| |
simplest form |
the form of a fraction when the numerator and denominator have no common factor other than 1 |
| |
straight angle |
An angle measuring 180 degrees. |
| |
triangle |
a three-sided polygon |
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whole number |
any of the numbers 1,2,3,4,5,6,7,8,9,10....... and more |
| |
square |
a rectangle with all sides congruent |
| |
supplimentary angle |
two angles whose measures have the sum of 180 degrees |
| |
vertex |
the common end point of two rays in an angle, of two line segments in a polygon, or of three or more edges in a space figure |
