TSI Math Test exam with correct answer{GRADED
A}
PEMDAS - CORRECT ANSWER (parenthesis, exponents, multiplication, division,
addition, subtraction) work left to right
Exponential Notation - CORRECT ANSWER Ex: 6^4, 2^3, 9^10, etc.
Expanded Form - CORRECT ANSWER Ex: 7x7x7, 6x6, 2x2x2x2x2, etc...
TSI Math Test exam 2024 -2025 with correct answer{GRADED
A}
PEMDAS - CORRECT ANSWER (parenthesis, exponents, multiplication, division,
addition, subtraction) work left to right
Exponential Notation - CORRECT ANSWER Ex: 6^4, 2^3, 9^10, etc.
Expanded Form - CORRECT ANSWER Ex: 7x7x7, 6x6, 2x2x2x2x2, etc.
Standard Notation - CORRECT ANSWER Ex: 5^2= 25; 25 is the standard notation
(the answer or solution)
+x+ - CORRECT ANSWER =+
+x- - CORRECT ANSWER =-
-x- - CORRECT ANSWER =+
Adding or Subtracting fractions - CORRECT ANSWER You need a common
denominator
Multiplying fractions - CORRECT ANSWER no special rule, just multiply Ex: 2/5 x
3/9= 6/45
Dividing fractions - CORRECT ANSWER flip 2nd fraction and multiply Ex: 2/5
divided by 3/9= 2/5 x 9/3
Solving Equations w/ fractions - CORRECT ANSWER either multiply both sides of
the equation by the reciprocal of the fraction, or multiply both sides of the
equation by the denominator of the fraction
Percent Increase or Decrease problems - CORRECT ANSWER Formula: amount of
change/ original number. Ex: Find the percent decrease if the price changes from
$60 to $39. 60-39= 21. amount of change= $21 original number= $60. $21/$60=
0.35. Convert to percents. 0.35= 35%
Interest - CORRECT ANSWER Formula: interest= principal x rate x time (I= PxRxT)
,Point - CORRECT ANSWER -A point has no dimension
-It is represented by a dot
-A point is written using an upper-case letter
Line - CORRECT ANSWER -A line has one dimension
-Named using any two point on a line w a two sided arrow above them
-It can also be named using a lower-case cursive letter
Collinear Points - CORRECT ANSWER Points that are on the same line
Plane - CORRECT ANSWER -A plane has two dimensions
-It is represented by a shape that looks like a floor or a wall, but it extends w/o an
end
-Through any three points not on the same line there is exactly one plane
-A plane is written using 3 non-collinear points or with upper-case cursive letter
Coplanar points - CORRECT ANSWER Points that lie in the same plane
Line Segment - CORRECT ANSWER A line segment is named using both end points
with a line above them
Ray - CORRECT ANSWER A ray is named using its endpoint first and then any
other point on the ray pointing to the right above them
Intersecting lines - CORRECT ANSWER 2 lines that share exactly one point
Parallel lines - CORRECT ANSWER 2 lines that are always the same distance
apart and never touch
Perpendicular lines - CORRECT ANSWER The relationship between 2 lines which
meet at a right angle (90degrees). Perpendicular lines= 2 lines intersect at a right
angle
Right angle - CORRECT ANSWER 90 degrees
Straight angle - CORRECT ANSWER 180 degrees
Acute angle - CORRECT ANSWER between 0 degrees and 90 degrees
Obtuse angle - CORRECT ANSWER between 90 degrees and 180 degrees
,Complementary angles - CORRECT ANSWER 2 angles that have the sum of 90
degrees
Supplementary angles - CORRECT ANSWER 2 angles that have the sum of 180
degrees
the sum of the angle measures in a triangle - CORRECT ANSWER 180 degrees
Acute triangle - CORRECT ANSWER All angles are acute
Right triangle - CORRECT ANSWER One angle is right
Obtuse triangle - CORRECT ANSWER One angle is obtuse
Scalene triangle - CORRECT ANSWER All sides have different lengths
Isosceles triangle - CORRECT ANSWER At least 2 sides have the same length
Equilateral triangle - CORRECT ANSWER All sides have the same length
The sum of the lengths of a triangle - CORRECT ANSWER The sum of the lengths
of any two sides of a triangle must be greater than the length of the third side
Polygon - CORRECT ANSWER A polygon is a closed figure whose sides are line
segments that do not cross
Regular Polygon - CORRECT ANSWER A regular polygon is a polygon where all of
the sides have equal lengths and all of the angles have equal measures
Trapezoid - CORRECT ANSWER One pair of opposite sides are parallel
Parallelogram - CORRECT ANSWER Both pairs of opposite sides parallel
Rhombus - CORRECT ANSWER All sides congruent
Rectangle - CORRECT ANSWER 4 right angles
Square - CORRECT ANSWER All sides congruent and 4 right angles
Circle - CORRECT ANSWER The set of all points in a plane that are a a given
distance from a given pint, the center
, Radius - CORRECT ANSWER Any of the line segments from its center to its
perimeter
Diameter - CORRECT ANSWER Any straight line segment that passes through the
center of the circle and whose endpoints lie on the circle. The longest chord of
the circle.
Central angle - CORRECT ANSWER The angle that forms when two radii meet at
the center of a circle
Chord - CORRECT ANSWER A straight line segment whose endpoints both lie on
the circle
All angle measures in a circle - CORRECT ANSWER = 360 degrees
3-Dimensional figure - CORRECT ANSWER A geometric shape whose vertices lie
on more than one plane
Faces - CORRECT ANSWER The flat surfaces of a 3-D figure
Edges - CORRECT ANSWER The segments formed by intersecting faces
Vertices - CORRECT ANSWER The points formed by intersecting edges
Net - CORRECT ANSWER The shape formed by "unfolding" a 3-D figure, shows all
the faces that make up the surface area
Surface Area of a Cube - CORRECT ANSWER 6a^2 (a is the length of the side of
the cube)
Surface Area of a Rectangular Prism - CORRECT ANSWER 2ab+2bc+2ac (a, b, and
c are the lengths of the 3 sides)
Surface Area of any Prism - CORRECT ANSWER Surface Area = Lateral area +
Area of two ends
(Lateral area) = (perimeter of shape b) * L
Surface Area = (perimeter of shape b) * L+ 2*(Area of shape b)
Surface Area of a Sphere - CORRECT ANSWER 4pir^2
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