Mathy Things Flashcards
1/8 (%)
12.50%
1/6 (%)
16.60%
1/5 (%)
20%
1/4 (%)
25%
1/3 (%)
33.30%
3/8 (%)
37.50%
2/5 (%)
40%
1/2 (%)
50%
3/5 (%)
60%
5/8 (%)
62.50%
2/3 (%)
66.60%
3/4 (%)
75%
4/5 (%)
80%
5/6 (%)
83.30%
7/8 (%)
87.50%
1/8 (decim.)
0.125
1/6 (decim.)
0.166
1/5 (decim.)
0.2
1/4 (decim.)
0.25
1/3 (decim.)
0.333
3/8 (decim.)
0.375
2/5 (decim.)
0.4
1/2 (decim.)
0.5
3/5 (decim.)
0.6
5/8 (decim.)
0.625
2/3 (decim.)
0.666
3/4 (decim.)
0.75
4/5 (decim.)
0.8
5/6 (decim.)
0.833
7/8 (decim.)
0.875
12.50%
1/8 (%)
16.60%
1/6 (%)
20%
1/5 (%)
25%
1/4 (%)
33.30%
1/3 (%)
37.50%
3/8 (%)
40%
2/5 (%)
50%
1/2 (%)
60%
3/5 (%)
62.50%
5/8 (%)
66.60%
2/3 (%)
75%
3/4 (%)
80%
4/5 (%)
83.30%
5/6 (%)
87.50%
7/8 (%)
0.125
1/8 (decim.)
0.166
1/6 (decim.)
0.2
1/5 (decim.)
0.25
1/4 (decim.)
0.333
1/3 (decim.)
0.375
3/8 (decim.)
0.4
2/5 (decim.)
0.5
1/2 (decim.)
0.6
3/5 (decim.)
0.625
5/8 (decim.)
0.666
2/3 (decim.)
0.75
3/4 (decim.)
0.8
4/5 (decim.)
0.833
5/6 (decim.)
0.875
7/8 (decim.)
don’t suck at order of operation
um, ok.
degrees in triangle
180
percent decrease
100 x (amount incr.)/(original whole)
percent increase
100 x (amount decr.)/(original whole)
average
sum/(# of #s)
number of consecutive numbers (between A, B)
B - A + 1
sum of consecutive numbers (A to B)
avg(A, B) x (B - A + 1)
median
middle value of consecutively-oredered #s
mode
that appears most often
range
max - min
“symbols” on GRE
just shorthand for functions
180
degrees in triangle
100 x (amount incr.)/(original whole)
percent decrease
100 x (amount decr.)/(original whole)
percent increase
sum/(# of #s)
average
B - A + 1
number of consecutive numbers (between A, B)
avg(A, B) x (B - A + 1)
sum of consecutive numbers (A to B)
middle value of consecutively-oredered #s
median
that appears most often
mode
max - min
range
permutation
a = c
b = d
s = q = h = f
p = r = g = e
permutation
isosceles triangle
isosceles triangle
45-45-90
30-60-90

combination
45-45-90

30-60-90
combination