ASTB Math UPDATED ACTUAL Exam
Questions and CORRECT Answers
Combinations - CORRECT ANSWER - When the order in which objects are combined
doesn't matter (ex: pizza toppings)
n=number of items
t=how many items at a time
C=n!/(n-t)!t!
Permutations - CORRECT ANSWER - Arrangement of items where order matters (placement
in a race)
n=number of things
t=taken t at a time
n!/(n-t)! (if denom=o, make it 1)
Surface Area of a cylinder - CORRECT ANSWER - A=2pi(r)(h)+2(pi)(r^2)
Volume of a square pyramid - CORRECT ANSWER - V=(based edge)^2(height/3)
area of a trapezoid - CORRECT ANSWER - a=1/2(b1+b2)h
sin/cos/tan of triangle - CORRECT ANSWER - sOH cAH tOA
how many ounces in a lb - CORRECT ANSWER - 16
, how many quarts in a gallon - CORRECT ANSWER -4
how many degrees in a shape - CORRECT ANSWER - (#of sides -2)*180
Questions involving percent discount or reduction - CORRECT ANSWER - Discount Price /
Original Price = % reduction
y=b^x is equivalent to: - CORRECT ANSWER - Log b (y)=x
probability equation - CORRECT ANSWER - number of ways it can happen/total number of
outcomes
area of a sector of a circle - CORRECT ANSWER - (area of circle)x(degree of inner
angle/360)
area of a prism - CORRECT ANSWER - area of one end x legnth
length of sides of 45 45 90 triangle - CORRECT ANSWER - 1,1, sqrt(2) (hypotenuse)
30/60/90 triangle measurements - CORRECT ANSWER - hypotenuse=2
side opposite 30 degree angle= 1
other= sqrt(3)
volume of a cube - CORRECT ANSWER - base*width*height
calculate % increase/decrease - CORRECT ANSWER - increase(decrease)/original price x
100
Questions and CORRECT Answers
Combinations - CORRECT ANSWER - When the order in which objects are combined
doesn't matter (ex: pizza toppings)
n=number of items
t=how many items at a time
C=n!/(n-t)!t!
Permutations - CORRECT ANSWER - Arrangement of items where order matters (placement
in a race)
n=number of things
t=taken t at a time
n!/(n-t)! (if denom=o, make it 1)
Surface Area of a cylinder - CORRECT ANSWER - A=2pi(r)(h)+2(pi)(r^2)
Volume of a square pyramid - CORRECT ANSWER - V=(based edge)^2(height/3)
area of a trapezoid - CORRECT ANSWER - a=1/2(b1+b2)h
sin/cos/tan of triangle - CORRECT ANSWER - sOH cAH tOA
how many ounces in a lb - CORRECT ANSWER - 16
, how many quarts in a gallon - CORRECT ANSWER -4
how many degrees in a shape - CORRECT ANSWER - (#of sides -2)*180
Questions involving percent discount or reduction - CORRECT ANSWER - Discount Price /
Original Price = % reduction
y=b^x is equivalent to: - CORRECT ANSWER - Log b (y)=x
probability equation - CORRECT ANSWER - number of ways it can happen/total number of
outcomes
area of a sector of a circle - CORRECT ANSWER - (area of circle)x(degree of inner
angle/360)
area of a prism - CORRECT ANSWER - area of one end x legnth
length of sides of 45 45 90 triangle - CORRECT ANSWER - 1,1, sqrt(2) (hypotenuse)
30/60/90 triangle measurements - CORRECT ANSWER - hypotenuse=2
side opposite 30 degree angle= 1
other= sqrt(3)
volume of a cube - CORRECT ANSWER - base*width*height
calculate % increase/decrease - CORRECT ANSWER - increase(decrease)/original price x
100
