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Gravity
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Terms in this set (96)
acute angle
An angle that is less than a right angle.
addend
A number that is added in an addition problem.
algorithm
A method of calculation.
a.m.
Before noon (ante meridiem)
area
Te number of square of a certain size that it takes to cover a given surface.
average
A middle amount found by dividing the sum of the numbers by the number of numbers.
calendar
A table showing days of the week and dates of the months.
century
One hundred years.
chance
The likelihood that something will happen. This is written as a percentage.
circumference
The distance around a circle; the curved line that bounds a circle.
common
In reference to numbers, the same number, as in common factor, common multiple, and common denominator.
compare
Determine whether one number is greater than another number or whether two numbers are equal.
congruent
Figures with the same shape and size.
counting numbers
The numbers in this sequence: 1, 2, 3, 4, 5, 6, 7, ....
coordinate graph
Two perpendicular number lines with marks extended to form a grid.
decade
Ten years.
decimal places
Places to the right of a decimal point.
denominator
The bottom number of a fraction
diameter
The distance across a circle.
difference
The result of subtraction.
digit
Any one of the ten symbols 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
dividend
In division, the number being divided.
division
The process of searching for a missing factor.
divisor
In division, the number by which another number is divided.
east
To the right on a map of the United States.
endpoints
The points at which a segment ends.
equivalent
Of the same value; for example, 2/4 is equivalent to 1/2, or 2/4 = 1/2.
estimate
To roughly determine a size or value to calculate approximately using rounded numbers.
even numbers
Numbers that can be divided by 2 without a remainder. The digit in the ones' place of an even number is 2, 4, 6, 8, or 10
face
A flat surface of a solid.
factor
A number being multiplied
fraction
Part of a whole.
geometry
The study of shapes.
greatest common factor
The largest whole number which is a factor of both numbers.
horizontal
Level; parallel with the horizon.
hundredths'
Place value that is two places to the right of the decimal point.
improper fraction
A fraction with the numerator equal to or greater than the denominator; a fraction that is equal to or greater than 1.
intersecting lines
Lines that cross; lines with a common point.
invert
Exchange the numerator and denominator of a fraction.
length
A longer side of a rectangle.
line segment
A part of a line
line of symmetry
A line which divides a figure into mirror images.
minus sign
Symbol for subtraction; also used for negative value.
mixed number
A number made up of a whole number and a fraction.
multiple
A number found by multiplying a given number by a whole number greater than zero. For example, the multiples of 5 are 5, 10, 15, 20 ....
negative
Opposite of positive; a number less than zero.
noon
Midday.
north
At the top of a map of the United States.
number line
A line with evenly spaced marks on which a number is associate with each mark.
numeral
A written symbol for a number.
numerator
The top number of a fraction.
oblique
Slanted.
obtuse angle
An angle greater than a right angle but less than a straight angle.
odd numbers
Numbers that have a remainder of 1 when divided by 2. The digit in the ones' place of an odd number is 1, 3, 5, 7, or 9
ordinal numbers
Numbers that indicate position or order.
origin
The point (0, 0) on a coordinate graph.
parallel lines
Lines that stay the same distance apart.
perimeter
The distance around a closed plane figure.
perpendicular lines
Lines that intersect and form right angles.
place value
That value of a digit determined by the position of the digit within the numeral.
plane figure
A shape, drawn on a flat surface, that has length and width but no thickness.
plus sign
Symbol for addition.
p.m.
After noon (post meridiem)
polygon
Straight-sided closed plane figure.
prime
A counting number that has exactly two factors, the number 1 and itself.
probability
The likelihood that something will happen. Often written as a fraction.
product
The result of multiplying
proper fraction
A fraction with a numerator that is less than the denominator.
quadrilateral
Any four-sided polygon
quotient
The result of division.
radius
The distance from the center of a circle to the outside edge of the dircle.
ratio
A way of describing a relationship between two numbers.
reciprocal
A fraction resulting from inverting a fraction.
rectangle
A four-sided polygon having four right angles
reduce
To form an equivalent fraction with a smaller numerator and denominator.
remainder
What is left after subtraction; also, since division serves to repeat subtraction, what is left after division.
right angle
A square angle, often marked with a square.
segment
Part of a line.
sequence
A list of numbers following a rule or plan.
side
A line segment which forms a polygon.
solid
A geometric shape that takes up space.
solve
Find a missing value in an equation; find a solution to a problem.
south
At the bottom on a map of the United States
sphere
A smooth geometric solid shaped like a ball.
square
A rectangle all of whose sides are the same lenth.
straight angle
An angle which forms a straight line.
sum
The result of addition
tally mark
A mark to keep track of counting
tenths'
Place value one place to the right of a decimal point.
times sign
Symbol for multiplication.
triangle
A polygon with three angles and three sides.
unit segment
The distance from 0 to 1 on a number line.
vertical
Straight up and down; perpendicular to horizontal.
west
to the left on a map of the United States.
whole numbers
All the numbers in the sequence 0, 1, 2, 3, 4.....
width
A shorter side of a rectangle
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