# Math Flashcards - Generalist.txt

The flashcards below were created by user kcooper on FreezingBlue Flashcards.

1. 1 kilometer = _____ meters
1000
2. 1 meter = ____ centimeters
100
3. 1 centimeter = ____ millimeters
10
4. 1 mile = ____ yards
1760
5. 1 mile = ____ feet
5280
6. 1 yard = ____ feet
3
7. 1 foot = ____ inches
12
8. 1 gallon = ____ quarts
4
9. 1 gallon = ____ fluid ounces
128
10. 1 quart = ____ pints
2
11. 1 pint = ____ cups
2
12. 1 cup = ____ fluid ounces
8
13. 1 ton = ____ pounds
2000
14. 1 pound = ____ ounces
16
15. Perimeter of a square
4s
16. Perimeter of a rectangle
2l+2w or 2(l+w)
17. Circumference of a Circle
C=2πr or C=πd
18. Area of a Square
A=s2
19. Area of a Rectagle
A=lw or A=bh
20. Area of a Triangle
A=1/2bh or A=bh/2
21. Area of a Trapezoid
A= 1/2 (b1 +b2)h or A=((b1+b2)h)/2
22. Area of Circle
A = πr2
23. Volume of a Cube
V=s3
24. Volume of a Rectangular Prism
V=lwh
25. Pi
π=3.14 or π=22/7
Solution: Sum
27. Operation: - subtraction
Solution: difference
28. Operation: x multiplication
Solution: product
29. Operation: divide
Solution: quotient
30. Order of Operations
PEMDAS
31. A number is divisible by 2 if . . .
It is an even number
32. A number is divisible by 3 if . . .
The sum of its digits is divisible by 3
33. A number is divisible by 4 if . . .
The last 2 digits are divisible by 4
34. A number is divisible by 5 if . . .
The last digit is 5 or 0
35. A number is divisible by 6 if . . .
It is divisible by both 2 and 3
36. A number is divisible by 8 if . . .
The last 3 digits are divisible by 8
37. A number is divisible by 9 if . . .
The sum of its digits is divisible by 9
38. A number is divisible by 10 if . . .
The last digit is 0
39. Prime number
A number with only 2 factors—1 and itself
40. Composite number
A number with more than 2 factors
41. Greatest Common Factor (GCF)
The largest factor that divides into 2 numbers
42. Least Common Multiple (LCM)
The smallest number (not 0) that 2 numbers will divide into evenly
43. Percent Ratios
Problem - z is what % of y?
Solve using:  =

So,

What is 60% of 90?
44. Decimal to Fraction
the number after the decimal is the numerator; place value is the denominator

Change .15 to a fraction
.15 =
45. Fraction to Percent
change fraction to decimal; use rules to change decimal to percent

= ____%
= 5/3.0 = .6 = 60%
46. Fraction to Decimal
(divide)

= 0.___
4/1.00=.25
47. Decimal to Percent
multiply by 100; decimal moves 2 places to the right; label percent

.007 = ____%
.007 = .7%
48. Percent to Decimal
divide by 100; decimal moves 2 places to the left; drop percent sign

8.5% = ___
8.5% = .085
49. Percent to Fraction
then reduce

35% = ______
50. freezing point of water
32oF
__oC
0
51. Temperature

Celcius to Fahrenheit
52. Temperature

Fahrenheit to Celcius
53. Commutative Property
(the numbers switch positions)

54. Commutative Property
(the numbers switch positions)

Multiplication
55. Associative Property
(the parentheses change positions)

56. Associative Property
(the parentheses change postions)

Multiplication
57. Inverse Property
(addition uses the opposite, multiplication uses the reciprocal)

58. Inverse Property
(addition uses the opposite, multiplication uses the reciprocal)

Multiplication
when does not equal 0
59. Distributive Property
(always involves 2 operations)

60. Cross Product Property - Cross Multiplication
(use to prove 2 ratios are in proportion)
is equivalent to
 Author: kcooper ID: 163114 Card Set: Math Flashcards - Generalist.txt Updated: 2012-08-01T20:26:04Z Folders: Description: Math Content Flashcards for the TeXes Generalist Show Answers: