math combined Flashcards
sum
answer to an addition problem
difference
answer to a subtraction problem
product
answer to a multiplication problem
quotient
answer to a division problem
addend
two things you add up to equal something 3+5
factors
two things multiplied together 3x5
dividend
top number you are dividing
divisor
what you are dividing by (bottom number)
less
17 less a number –> 17-n
less than
17 less than a number –> n-17
is less than
17 is less than a number –> 17
line
arrows on both sides, labeled with one lower case letter or two upper case
line segment
two dots on both sides
ray
two letters starting with end point
parallel lines
go on forever, in the same plane, and never cross paths
perpendicular lines
intersect at a right angle
acute angle
0-89.9 degrees
right angle
90 degrees
obtuse
91-179 degrees
straight angle/line
180 degrees
reflex
181-359 degrees
mean
average
median
middle number
mode
number most often
range
highest minus the lowest point
deviation
point minus the average
Area Formula of a square
Side ^2
Area of Rectangular formula
Length•Width
Area formula for Parallelogram
Base•Height
Area formula for Triangle
1/2•base•height
Area formula for Circle
3.14r^2
Area formula for Trapezoid
1/2 (base1+base2)h
Surface area for Rectangular Prizm
2(length+width+height)
Surface area formula for Sphere
4pieR^2
Surface area formula for Cube
6s^2
Surface Area formula for cylinder
2pieRh
Perimeter formula for Square
4s
Perimeter formula for Rectangle
2L•2W
Perimeter formula for any shape
Add up all sides together
Perimeter formula for Circle
Pie multiplied by diameter (3.14…)d
Volume Formula for Square pyramid
1/3(base)^2•height
Volume Formula for Cube
Side^3
Volume Formula for Sphere
4/3(pie)r^3
Volume Formula for Cylinder
(Pie)r^2(height)
Volume Formula for Cone
1/3 (pie)r^2(height)
