DAT Quantitative reasoning

Question 1

picking numbers strategy

Answer 1

• use for variables.
• percents (use 100)
• fractions (use common denominator)
• number property questions (pick a permissible number)

Question 2

guessing and checking

Answer 2

put in answer choice B or D to determine higher or lower

Question 3

Quantity A and B question strategy

Answer 3

• STOP: analyze the info
• THINk: think if you can simplify it
• match: match the A and B to be as close together

Question 4

Quantity A and B question strategy

OF VARIABLES

Answer 4

TRY TO find at least two different relationships

** x can be any number

Question 5

Data sufficiency Strategy

Answer 5

Determine if value or yes or no.

• simplify
• identify what is needed to answer the question

Question 6

*** avoid reading answer choices of stuff you know!!!

Answer 6

12 TEN

Question 7

Eliminate answer options as well

Answer 7

** data sufficiency

Question 8

Value questions

Answer 8

narrow it down to one variable. if not, its insufficient or sufficient BASED ON ANSWER CHOICE

Question 9

yes no questions

Answer 9

try to find Always yes or Always no to find sufficiency

Question 10

** data sufficiency statements

Answer 10

ARE ALWAYS true

- if they contradict each other, then YOU MESSED UP

Question 11

N variables must have

Answer 11

N equations usually.

Question 12

*** think about sufficiency NOT

Answer 12

calculation

Question 13

Picking numbers and data sufficiency

Answer 13

make sure to use TWO different numbers and it should produce a different answer (choose negative or fraction)

Question 14

Data interpretation

Answer 14

Slow down and really think. look at axis and think about calculation required

Question 15

real number

Answer 15

all numbers on the number line

Question 16

0 is an odd or even?

Answer 16

even

Question 17

when doing proportions, calculate based on object/ total, not trying to find number of total of anything

Answer 17

YEah

Question 18

1/8 is

Answer 18

.125

Question 19

1/20 is

Answer 19

5 %

Question 20

decoding “What percent of… is..”

Answer 20

what follows the OF is the WHOLE and what follows Is or Are is the part

Question 21

an item is 30% increase means

Answer 21

that its 130% higher

• must add 30 to 100%
• if subtraction, its 70%

Question 22

F to C equation

Answer 22

5/9(F - 32)

Question 23

1 mile to ft

Answer 23

5280 ft

Question 24

I foot to inch

Answer 24

12 inch

Question 25

1 yard to feet

Answer 25

3 ft

Question 26

1m to yard

Answer 26

1.1 yard

Question 27

1 kg to lbs

Answer 27

2.2 lbs

Question 28

1 lb to g

Answer 28

454 g

Question 29

1 lb to ounce

Answer 29

16 ounces

Question 30

1 ounce to ml

Answer 30

29 is ml

Question 31

1 km to mile

Answer 31

0.6 mile

Question 32

log (s times t)

Answer 32

log s plus log t

Question 33

log (s over t)

Answer 33

log s - log t

Question 34

when given an exponent equation, REMEMBER TO RAISE

Answer 34

TO the opposite power to get rid of it!!!

Question 35

SAY THE quadratic equation

Answer 35

-b +/ b squared - 4 ac / 2a

Question 36

careful with algebra!!!

Answer 36

YES

Question 37

when it says how many

Answer 37

immediately go to combinations

Question 38

exterior angles of a triangle

Answer 38

add up to 360

Question 39

name two pythagorean triples

Answer 39

3,4,5 | 5,12,13

Question 40

45 degree triangle

Answer 40

1:1:root 2

Question 41

30 60 triangle

Answer 41

1: root 3: 2

Question 42

rhombus, parallelogram area

Answer 42

area of base times height where height is straight up

Question 43

length of an arc

Answer 43

(n/360) times 2 pi r

Question 44

area of a sector

Answer 44

(n/360) times pi r squared

Question 45

SA of a sphere

Answer 45

4 pi r squared

Question 46

volume of sphere

Answer 46

4/3 pi r cubed

Question 47

distance formula

Answer 47

subtract x and y, square and ADD then square root

Question 48

graphing inequalities

Answer 48

first graph eqn, then look at sign to see if area is above or below

Question 49

area of equilateral triangle

Answer 49

side squared times root 3 divided by 4

Question 50

trapezoid area

Answer 50

base 1 + base 2/ divided by 2 times height ** no need to know the triangle side

Question 51

evaluating using coordinate plane

Answer 51

draw the triangle, PLOT IT and use those to find the value | - DONt subtract or add anything. the value is just that