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