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44 Cards in this Set

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Integers
numbers preceded by either a positive or negative sign
1/4 = .25
divide 1.00/4=.25
convert decimal to percent
shift decimal point 2 places to the right..ex..
0.135 = 13.5%
decimal to percent
shift decimal point 2 places to left
98% = .98
inverse operations
addition=subtraction
multiplication= division
they undo each other
factors
any of the numbers or symbols in mathematics that, when multiplied together, form a product
Prime number
number with 2 whole-number factors-1 and the number itself ex.
2,3,5,7,11,13,17
two positives or two negatives =
positive
mixing a positive and a negative
negative
perimeter
measure of the distance around a figure
area
measure of the interior of a figure
perimeter of a rectangle
P=2l+2w
l=length
w=width
perimeter of a square
P=4s s=side
s=5ft so perimeter P=4(5ft.)=20ft.
perimeter of a triangle
P=s1+s2+s3
area of a rectangle
A=lxw
area of a square
A=S2 s=5ft.
A=(5ft)2=25 sq. ft.
area of triangle
A=1/2bh b=base, h=height
b=3in., h=4in.
a=1/2(3in.x4in.)=1/2(12in.)=6in.
radius of circle
distance from the center of the circle to the edge
diameter of circle
line segment that passes through the center of circle, or twice the measure of the radius
pi=
3.14
circumference of a circle
C=pi x d or,
C=2xpixr
d=diameter r=radius
area of circle
A=pi x r2 ex. r=5cm
A=3.14x25cm=78.5cm
circle
360*
half-circle
180*
Complementary angles
sum of 2 angles = 90*
Supplementary angles
Sum of 2 angles = 180*
right angle
angle measuring 90*
acute angle
angle measuring less that 90*
obtuse
angle measuring more that 90*
triangle angles
sum of the measures of the three angles of any triangle = 180*
Pythagorean theorem
a2 + b2 = c2
polygon
simple closed curve formed by the union of 3 or more straight sides;
word problem clues
is
=
of
multiply
product
multiply
sum
addition
difference
subtract
quotient
division
mean
add all the values and divide the sum by the number of values 5,10,15,20,25
75/5=15 mean
median
the middle number when the values are in numberical order
mode
value occuring most often
range
measure of the spread of, or variation in, the numbers
internal factors of learning
student's personality characteristics, self-concept, sense of self-esteem, self-discipline, and self-control, learning style
external factors of learning
home environment, family relationships, peer relationships, community situations, and school environment