Numbers
Inequalities
Proportions
Geometry
Probability
Volume/SA
100
multiplying or dividing a positive and a negative results in a...
negative
100
When I divide by a negative number, what do I have to do at the very end?
flip the inequality symbol
100
When setting up any kind of percentage problem, what does the percent go over?
100
100
How do I find area of a triangle?
1/2bh
100
What do I do to find the probability of independent or dependent events?
multiply the individual probabilities
100
What does the B stand for in volume formulas?
area of the base
200
Adding two negative numbers results in...
a negative
200
When shown on a number line, how do I know if the dot should be filled in?
If it is included
>=
<=
200
If I need to set up a proportion for similar figures, how do I set it up?
side lengths from one figure go in one ratio
similar/proportional sides across from each other
200
How do I find area of a circle?
pir^2
200
If it is a dependent probability (not replaced), what do I do before figuring the new probability?
Subtract one from the total outcomes
200
What do I have to remember to do when finding the volume of a pyramid?
divide by 3
300
When you subtract a negative and a positive, how do you know what your answer should be?
Subtract the numbers. Keep the sign of the larger value number.
300
What do I do first when solving any kind of equation or inequality (besides drawing the line)?
add or subtract the numbers not next to the variable
300
How do I calculate a unit rate?
Use division
300
Complementary angles add up to...
90
300
What is the complement of an event?
Probability of it NOT occurring
300
What is the base on a triangular prism?
triangles
400
Multiplying or dividing two negative numbers results in a...
positive
400
When a number is right next to a variable, what does that imply?
multiplication
400
If I need to find a percent change, what does proportion look like?
%/100= change/original
400
How do I find the area of composite figures?
Find area of each, then add
400
What is a fast way to find the sample space (total possible outcomes) of an event?
Multiply the numbers of options together
400
What is lateral surface area?
area not including the bases
500
How do I multiply by a fraction?
put a one over the whole number and multiply straight across
or
multiply by numerator and divide by denominator
500
If I need to undo multiplication, what do I do?
divide
500
If I need to convert units, how do I set up my proportion?
If using a proportion, keep the units across from each other so that the old unit cancels
Use your STAAR formula chart!
500
How many total degrees are in the interior angles of a triangle?
180
500
What are some ways to show the sample space of an event?
Tree diagram, list, table
500
How do I know the height of a prism?
height is the distance between the bases