TEAS- math Flashcards
any positive or negative whole number including zero
-don’t include fractions, decimals, or mixed numbers
integers
include all integers, decimals, and fractions
-any terminating or repeating decimal number
rational number
can’t be written as fractions or decimals because the number of decimal places is infinite and there is no recurring pattern of digits within the number
-ex: pi
irrational number
denominator is greater than numerator
proper fraction
numerator is greater than denominator
improper fraction
“what was the percent change” problems use what formula
amount of change/original amount x100%
“what was the percent increase/percent decrease” problems use what formula
new amount- original amount/original amount x100%
a closed two-dimensional geometric figure composed of exactly four straight sides
quadrilateral
the sum of the inferior angles of any quadrilateral is
360
a parallelogram with 4 right angles
rectangle
a parallelogram with 4 congruent sides
rhombus
a parallelogram with 4 congruent sides and 4 right angles
square
a line that passes through a circle and contains a chord of that circle
secant
line segment that has both endpoints on the circle
chord
perimeter for triangle
s1+s2+s3
perimeter for square
4s
perimeter for rectangle
2l+2w
perimeter for trapezoid
a+b1+c+b2
the perimeter or circumference of a circle is
2pier or pie*d
area of triangle
b x h/2
area for square
s^2
area for rectangle
l x w
area for trapezoid
1/2h(b1 + b2)
area of circle
(pie)x(r^2)
surface area for sphere
4(pie)(r^2)
surface are for prism
2B+Ph
volume for prism
Bh
volume of sphere
4/3(pie)(r^3)
volume of cube
s^3
surface area of a cube
6s^2
surface area of rectangular prism
2lw x 2hl x 2wh
volume of rectangular prism
l x w x h
surface area of cylinder
2(pie)(r^2)+ 2(pie)(r)(h)
volume of cylinder
(pie)(r^2)(h)
1 kilogram= how many pounds?
2.2 pounds
1 mile= how many kilometers?
1.609 km
right skewed
positively skewed
left skewed
negatively skewed