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141 Cards in this Set

  • Front
  • Back
13X3=
39
13X4=
52
13X5=
65
13X6=
78
13X7=
91
13X8=
104
13X9=
117
13X10=
130
13X11=
143
13X12=
156
13X13=
169
12 X 13 =
156
12 X 12 =
144
12 X 11 =
132
12 X 10 =
120
12 X 9 =
108
12 X 8 =
96
12 X 7 =
84
12 X 6 =
72
12 X 5 =
60
11 X 10 =
110
11 X 11 =
121
The ratio of x to y:
x/y
The proportion of x to y:
x/y
Profit equals ?
P = R - C
Profit = Revenue - Cost
Distance equals ?
D = RT
Distance = Rate x Time
If A/B and B/C then...
A/C
If D has e & f as prime factors then D...
is also divisible by e X f
When multiplying exponential terms that share a common base, you should...
add the exponents
When dividing exponential terms that share a common base, you should...
subtract the exponents
When something with an exponent is raised to another power, you should...
multiply the two exponents together
Anything with an exponent of 0 equals...
1
The reciprocal of x is...
1/x
(-3)^1 =
-3
(-3)^2 =
9
(-3)^3 =
-27
(-3)^4 =
81
Any square root times itself will equal...
whatever is inside the square root
When two roots are multiplied by each other, you should..
take what's inside each root, and multiply everything together all inside of one root

(The square root of 8 X the square root of 2 can be rewritten as the square root of 8 x 2, which equals the square root of 16 and the square root of 16 is 4)
2^2
4
2^3
8
2^4
16
2^5
32
2^6
64
2^7
128
3^2
9
3^3
27
3^4
81
4^2
16
5^2
25
6^2
36
7^2
49
8^2
64
9^2
81
10^2
100
11^2
121
12^2
144
13^2
169
14^2
196
15^2
225
4^3
64
5^3
125
When you multiply a number by 10, you move the decimal...
to the right one place
When you divide a number by 10, you move the decimal...
to the left one place
To convert from a percent to a decimal, you should
simply move the decimal point two spots to the left
To convert from a percent to a fraction, you should
put the percent over one hundred and then simplify
To convert from a decimal to a percent, you should
move the decimal point two spots to the right
To convert from a fraction to a decimal, you should
long divide the numerator by the denominator
To convert from a fraction to a decimal, you should
first convert from fraction to decimal, and then convert that decimal to a percent
.01 as a fraction is
.01 as a percent is
1/100
1%
.05 as a fraction is
.05 as a percent is
1/20
5%
.1 as a fraction is
.1 as a percent is
1/10
10%
.2 as a fraction is
.2 as a percent is
1/5
20%
.25 as a fraction is
.25 as a percent is
1/4
25%
.3 as a fraction is
.3 as a percent is
3/10
30%
.3333... as a fraction is
.3333... as a percent is
1/3
33.33%
.375 as a fraction is
.375 as a percent is
3/8
37.5%
.4 as a fraction is
.4 as a percent is
2/5
40%
.5 as a fraction is
.5 as a percent is
1/2
50%
An integer is divisible by 3 if...
If the sum of the integer's digits is divisible by 3
(ex: 72 - 7+2=9 9/3=3)
An integer is divisible by 4 if...
If the integer is divisible by 2 TWICE, or if the LAST TWO digits are divisible by 4
An integer is divisible by 6 if...
If the integer is divisible by BOTH 2 and 3
An integer is divisible by 8 if...
If the integer is divisible by 2 THREE TIMES, or if the LAST THREE digits are divisible by 8
An integer is divisible by 9 if...
If the sum of the integer's digits is divisible by 9
.6 as a fraction is
.6 as a percent is
3/5
60%
.625 as a fraction is
.625 as a percent is
5/8
62.5%
.6666... as a fraction is
.6666... as a percent is
2/3
66.66%
.7 as a fraction is
.7 as a percent is
7/10
70%
.75 as a fraction is
.75 as a percent is
3/4
75%
.8 as a fraction is
.8 as a percent is
4/5
80%
.875 as a fraction is
.875 as a percent is
7/8
87.5%
.9 as a fraction is
.9 as a percent is
9/10
90%
Part = __ X __

(2)
Part =Fraction X Whole
Part = Decimal X Whole
√ 1=
1
√2 =
1.4
√3 =
1.7
√5 =
2.25
√4 =
2
√9 =
3
√16 =
4
√25 =
5
√36 =
6
√49 =
7
√64 =
8
√81 =
9
√100 =
10
√121 =
11
√144 =
12
√169 =
13
√196 =
14
√225 =
15
√256 =
16
√400 =
20
√625 =
25
√900 =
30
3√8 =
2
3√27 =
3
3√64 =
4
3√125 =
5
x^2-y^2 =
(x+y)(x-y)
x^2+2xy+y^2 =
(x+y)(x+y)=(x+y)^2
x^2-2xy+y^2 =
(x-y)(x-y)=(x-y)^2
.02 as a fraction is
.02 as a percent is
1/50
2%
.04 as a fraction is
.04 as a percent is
1/25
4%
.11 as a fraction is
.11 as a percent is
1/9
11.1%
.125 as a fraction is
.125 as a percent is
1/8
12.5%
.167 as a fraction is
.167 as a percent is
1/6
16.7%
.83 as a fraction is
.83 as a percent is
5/6
83.3%
1.25 as a fraction is
1.25 as a percent is
5/4
125%
1.5 as a fraction is
1.5 as a percent is
3/2
150%
1.75 as a fraction is
1.75 as a percent is
7/4
175%
1.3 as a fraction is
1.3 as a percent is
4/3
133%
"Y is X percent of Z"
What is the part and what is whole?
Y is the part, and Z is whole
"Y is X percent of Z"

Y= ?
Y = (X/100)Z
"Y is X percent of Z"
X/100 = ?
Y/Z
"A is 1/6 of B"

A = ?
A=(1/6)B
"C is 20% of D"
C = ?
C=(.20)D
"E is 10% greater than F"

E = ?
E= (1/10)F
"G is 30% less than H"

G = ?
G = (100% -30%)H=.70H
To convert from a fraction to a percent, you should
Change fraction to decimal and then change decimal to percent
To convert from a decimal to a fraction, you should
Set decimal over 1
Multiply den. and num. by 10 raised to number of digits to right of decimal