# Shared Flashcard Set

## Details

GRE Math 1
DivBy5, SqRoots, Double&Halving
28
Mathematics
Beginner
08/26/2019

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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