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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