# 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

2*pie*r 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