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17 Cards in this Set
- Front
- Back
|
1/2
|
.5
50% |
|
|
1/3
|
.33
33% |
|
|
2/3
|
.66
66% |
|
|
1/4
|
.25
25% |
|
|
3/4
|
.75
75% |
|
|
1/5
|
.2
20% |
|
|
2/5
|
.4
40% |
|
|
3/5
|
.6
60% |
|
|
4/5
|
.8
80% |
|
|
1/6
|
.16666
16.666% |
|
|
1/8
|
.125
12.5% |
|
|
(x + y)2 =
|
(x + y)2 = x2 + 2xy + y2
|
|
|
(x - y)2 =
|
(x - y)2 = x2 - 2xy + y2
|
|
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x2 - y2 =
|
x2 - y2 = (x + y)(x - y)
|
|
|
√2 =
|
≈ 1.4 (just think little less than .5)
|
|
|
√3 =
|
≈ 1.7
|
|
|
√5 =
|
≈ 2.2
|
