Conversion Factors Flashcards

1
Q

Ft to in

A

1ft=12in

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2
Q

Yd to ft

A

1yd=3ft

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3
Q

Mi to ft

A

1mi=5280ft

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4
Q

Lbs to oz

A

1lb=16 oz

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5
Q

PT to c

A

1pt=2c

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6
Q

Gal to qt

A

1gal=4qt

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7
Q

t to lb

A

1t=2000 lb

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8
Q

T

A

Tera

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9
Q

G

A

Giga

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10
Q

M

A

Mega

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11
Q

k

A

Kilo

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12
Q

h

A

Hecta

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13
Q

10^12

A

Tera

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14
Q

10^9

A

Giga

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15
Q

10^6

A

Mega

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16
Q

10^3

A

Kilo

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17
Q

10^2

A

Hecta

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18
Q

da

A

Deca/deka

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19
Q

d

A

Deci

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20
Q

c

A

Centi

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21
Q

m

A

Mili

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22
Q

Mu

A

Micro

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23
Q

n

A

Nano

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24
Q

10^-9

A

Nano

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25
Q

10^-6

A

Micro

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26
Q

10^-3

A

mili

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27
Q

10^-2

A

Centi

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28
Q

10^-1

A

Deci

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29
Q

10^1

A

Deka/Deca

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30
Q

mm to cm

A

10 mm=1cm

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31
Q

Mm to in

A

25.4 mm =1in

32
Q

Mm to ft

A

304.8mm to 1 ft

33
Q

Mm to yd

A

914.4 mm to 1 yd

34
Q

Mm to m

A

1000 mm to 1m

35
Q

Ft³ to in³

A

1 ft³=1728 in³

36
Q

Yd^3 to in^3

A

1 yd^3=46,656in^3

37
Q

Gal^3 to in^3

A

1Gal^3= 231 in^3

38
Q

Qt^3 to in^3

A

1qt^3= 57.75 in^3

39
Q

L to in^3

A

1L= 61.02 in^3

40
Q

cc(ml) to in^3

A

1 cc= .06102in^3

41
Q

Fl oz to in^3

A

1 fl oz= 1.80469 in³

42
Q

g to kg

A

1000g=1 kg

43
Q

g to oz

A

1 oz =28.35g

44
Q

g to lb

A

1 lb =453.6 g

45
Q

C from F

A

(5/9)(F-32)=C

46
Q

F from C

A

F=(9C/5) +32

47
Q

Correlations

A

Occur when two or more variables are related to each other, such that a change in one produces a change in the other

48
Q

Quadratic formula

A

X=(-b±✓(b^2-4ac))/(2a)

49
Q

Quadratic formula

A

x=(-b±✓(b^2-4ac))/(2a)

50
Q

Thickness of a dime is about

A

1mm

51
Q

The width of an average pinkie fingernail is about

A

1cm

52
Q

The average adult is 1.5 to 2 __ tall

A

m

53
Q

The average adult walks _ km in about 15 min.

A

1

54
Q

The weight of one aspirin tablet is about _ g

A

1

55
Q

A 5 lb bag of sugar weighs just over _ kg

A

2

56
Q

Approximations for ºC

A

Zero is freezing, 10 is not, 20 is warm, and 30 is hot.

57
Q

Front-end estimation

A

In addition of numbers, with more than one digit, the left-most digit carries the highest place value. You ignore all the digits after the first and add.

58
Q

When to use Front-end estimation

A

During the addition of groups of numbers.

59
Q

Estimate the following sum by using front-end estimation: 4720+1429+914

A

4000+1000=5000
700+400+900= 2000
5000+2000=7000

60
Q

Estimate the following difference using front-end estimation: 85,374- 35,805.

A

80,000- 30,000= 50,000
5,000- 5,000=0
300- 800=-500

50,000+0+(-500)=49,500

61
Q

When do you use front-end estimation?

A

When estimating operations with groups of numbers.

62
Q

Estimate the following product by using front-end estimation: 3267x389=

A

3000x400=1,200,000

63
Q

Explain estimation by clustering

A

When adding a group of numbers which are close to or “cluster” around a certain value that is conducive to easy mental computations.

64
Q

Compatible numbers

A

Numbers that are conducive to easy mental computations.

65
Q

Fl oz to ml

A

29.573ml=1fl oz

66
Q

Volume of a cylinder

A

πr²h

67
Q

Area of trapezoid formula

A

A=((a+b)/2)(h)

68
Q

Volume of a sphere

A

(4/3) πr³

69
Q

Resistance formula

A

R=V/I(current)

70
Q

Inverse proportion formula

A

Y= k/x

71
Q

How to find k in inverse proportion formula

A

K=YX

72
Q

m³ to yd³

A

1m³=1.31yd³

73
Q

Km to mi

A

1km= .621371 mi

74
Q

How to solve absolute value equations
|x+2|=9 ?

A

Solve for both possibilities
X+2=9
X+2= -9

75
Q

Which numbers are irrational?

A

Real numbers that can’t be written as fractions.
Never ending decimals
Non-repeating decimals

76
Q

Examples of irrational numbers

A

π,
√(2)
√(3)
e
Golden ratio

77
Q

Mi to km

A

1 mi = 1.609km