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GRE Math 1
DivBy5, SqRoots, Double&Halving
28
Mathematics
Beginner
08/26/2019
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Term
630/5
 Definition
1260/10=126
Term
325/5
 Definition
470/10=47
Term
1140/5
 Definition
1140/10=114*2=228
Term
To divid any number by __, we can simply?
 Definition
5, double it and divid by 5
Term
16*35=
 Definition
8*2*35=8*(35*2)=8*70=560
Term
Doubling and Halving... Used for factors ending in 5. Double the __ , and ...
 Definition
5, halve the other factor
Term
84*50
 Definition
42*100=4200
Term
260*15
 Definition
130*30=390
Term
56*25=
 Definition
28*50=14*2*50=14*100=1400
Term
24*75=
 Definition
12*(2*75)=6(150*2)=2100
Term
20^2
 Definition
400
Term
30^2
 Definition
900
Term
40^2
 Definition
1600
Term
50^2
 Definition
2500
Term
60^2
 Definition
3600
Term
80^2
 Definition
6400
Term
90^2
 Definition
8100
Term
Any number that ends in 5, the srq number ends in __
 Definition
25
Term
5^2
 Definition
25
Term
15^2
 Definition
625
Term
25^2
 Definition
625
Term
35^2
 Definition
1225
Term
45^2
 Definition
2025
Term
55^2
 Definition
3025
Term
65^2
 Definition
4225
Term
75^2
 Definition
5625
Term
85^2
 Definition
8125
Term
95^2
 Definition
19025
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