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141 Cards in this Set
- Front
- Back
13X3=
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39
|
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13X4=
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52
|
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13X5=
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65
|
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13X6=
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78
|
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13X7=
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91
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13X8=
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104
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13X9=
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117
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13X10=
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130
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13X11=
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143
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13X12=
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156
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13X13=
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169
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12 X 13 =
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156
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12 X 12 =
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144
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12 X 11 =
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132
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12 X 10 =
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120
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12 X 9 =
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108
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12 X 8 =
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96
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12 X 7 =
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84
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12 X 6 =
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72
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12 X 5 =
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60
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11 X 10 =
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110
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11 X 11 =
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121
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The ratio of x to y:
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x/y
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The proportion of x to y:
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x/y
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Profit equals ?
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P = R - C
Profit = Revenue - Cost |
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Distance equals ?
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D = RT
Distance = Rate x Time |
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If A/B and B/C then...
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A/C
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If D has e & f as prime factors then D...
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is also divisible by e X f
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When multiplying exponential terms that share a common base, you should...
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add the exponents
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When dividing exponential terms that share a common base, you should...
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subtract the exponents
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When something with an exponent is raised to another power, you should...
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multiply the two exponents together
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Anything with an exponent of 0 equals...
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1
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The reciprocal of x is...
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1/x
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(-3)^1 =
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-3
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(-3)^2 =
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9
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(-3)^3 =
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-27
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(-3)^4 =
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81
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Any square root times itself will equal...
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whatever is inside the square root
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When two roots are multiplied by each other, you should..
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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) |
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2^2
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4
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2^3
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8
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2^4
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16
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2^5
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32
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2^6
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64
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2^7
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128
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3^2
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9
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3^3
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27
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3^4
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81
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4^2
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16
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5^2
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25
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6^2
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36
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7^2
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49
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8^2
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64
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9^2
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81
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10^2
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100
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11^2
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121
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12^2
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144
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13^2
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169
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14^2
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196
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15^2
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225
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4^3
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64
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5^3
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125
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When you multiply a number by 10, you move the decimal...
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to the right one place
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When you divide a number by 10, you move the decimal...
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to the left one place
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To convert from a percent to a decimal, you should
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simply move the decimal point two spots to the left
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To convert from a percent to a fraction, you should
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put the percent over one hundred and then simplify
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To convert from a decimal to a percent, you should
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move the decimal point two spots to the right
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To convert from a fraction to a decimal, you should
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long divide the numerator by the denominator
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To convert from a fraction to a decimal, you should
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first convert from fraction to decimal, and then convert that decimal to a percent
|
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.01 as a fraction is
.01 as a percent is |
1/100
1% |
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.05 as a fraction is
.05 as a percent is |
1/20
5% |
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.1 as a fraction is
.1 as a percent is |
1/10
10% |
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.2 as a fraction is
.2 as a percent is |
1/5
20% |
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.25 as a fraction is
.25 as a percent is |
1/4
25% |
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.3 as a fraction is
.3 as a percent is |
3/10
30% |
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.3333... as a fraction is
.3333... as a percent is |
1/3
33.33% |
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.375 as a fraction is
.375 as a percent is |
3/8
37.5% |
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.4 as a fraction is
.4 as a percent is |
2/5
40% |
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.5 as a fraction is
.5 as a percent is |
1/2
50% |
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An integer is divisible by 3 if...
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If the sum of the integer's digits is divisible by 3
(ex: 72 - 7+2=9 9/3=3) |
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An integer is divisible by 4 if...
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If the integer is divisible by 2 TWICE, or if the LAST TWO digits are divisible by 4
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An integer is divisible by 6 if...
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If the integer is divisible by BOTH 2 and 3
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An integer is divisible by 8 if...
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If the integer is divisible by 2 THREE TIMES, or if the LAST THREE digits are divisible by 8
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An integer is divisible by 9 if...
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If the sum of the integer's digits is divisible by 9
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.6 as a fraction is
.6 as a percent is |
3/5
60% |
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.625 as a fraction is
.625 as a percent is |
5/8
62.5% |
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.6666... as a fraction is
.6666... as a percent is |
2/3
66.66% |
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.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% |
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.9 as a fraction is
.9 as a percent is |
9/10
90% |
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Part = __ X __
(2) |
Part =Fraction X Whole
Part = Decimal X Whole |
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√ 1=
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1
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√2 =
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1.4
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√3 =
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1.7
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√5 =
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2.25
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√4 =
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2
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√9 =
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3
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√16 =
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4
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√25 =
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5
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√36 =
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6
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√49 =
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7
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√64 =
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8
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√81 =
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9
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√100 =
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10
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√121 =
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11
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√144 =
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12
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√169 =
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13
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√196 =
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14
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√225 =
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15
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√256 =
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16
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√400 =
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20
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√625 =
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25
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√900 =
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30
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3√8 =
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2
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3√27 =
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3
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3√64 =
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4
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3√125 =
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5
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x^2-y^2 =
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(x+y)(x-y)
|
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x^2+2xy+y^2 =
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(x+y)(x+y)=(x+y)^2
|
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x^2-2xy+y^2 =
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(x-y)(x-y)=(x-y)^2
|
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.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% |
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.167 as a fraction is
.167 as a percent is |
1/6
16.7% |
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.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% |
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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% |
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1.3 as a fraction is
1.3 as a percent is |
4/3
133% |
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"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
|
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"Y is X percent of Z"
X/100 = ? |
Y/Z
|
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"A is 1/6 of B"
A = ? |
A=(1/6)B
|
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"C is 20% of D"
C = ? |
C=(.20)D
|
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"E is 10% greater than F"
E = ? |
E= (1/10)F
|
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"G is 30% less than H"
G = ? |
G = (100% -30%)H=.70H
|
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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
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Set decimal over 1
Multiply den. and num. by 10 raised to number of digits to right of decimal |