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ACT Math Strategies Flashcards | StudBud
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ACT Math Strategies
ACT Math Strategies
30 terms
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ACT Math strategies + tips
Flashcards
30 cards
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Practice quiz
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Questions
30
Answers
1
What equation do you use to find the average of several numbers?
Ave = total/2 * # of things
Ave = total/# of things
Ave = # of things/total
2
What is slope intercept form?
y=mx+b
y=1/2mx-b
3
What can help you answer graphing scale problems?
Use your calculator
Plug in their numbers
Look for open or closed circles
4
How many degrees is a right angle always equal to?
360
180
90
45
5
What should you do with ratio problems?
PEMDAS
Plug in your own numbers
Multiply by a common multiple
Calculator
6
What do you need to know to solve trigonometry problems?
SINCOSTAN
SOHCAHTOA
Tan = sin + cos
7
Which problems should you put down an answer for your first time through?
Just Nevers
Now and Never
Now and Later
Just Nows
8
What is the formula you use to find the area of a circle?
A=πr2
A=dr2
A=2πr
9
What number/s should you use when using the Plug in your numbers strategy?
2
1 then 2 if needed
1
3 then 2 if needed
10
What formula do you use to find the circumference of a circle?
C=2πr
C=2π2r
C=2πrd
11
How would you solve this problem?
Backsolving (plugging in their numbers)
Calculator
Plugging in your numbers
Draw a picture
12
What strategy will help you save time by focusing on problems you can easily answer?
Answer problems last to first
Blind Guess
Now, Later, Never
Calculator
13
What strategy would you use to solve this problem?
Ballpark
Plug in your numbers
Backsolve (plug in their numbers)
14
What strategy should you use to solve geometry problems?
Ignore/don't trust the picture
Use/make a picture
Order of operations
15
A radius is equal to
d*π
d2
1/2*d
16
What is the average also known as?
Medium
Mean
Marvelous
Mode
17
What strategy do you use to solve this kind of problem?
Draw a picture and pythagorean theorem
Pythagorean theorem
PEMDAS
Draw a picture
18
What is the rule of thumb when answering variable (x) problems)
Do exponents last
Ignore the sign
Add y variables
What you do to one side, do to the other
19
What should you
NEVER
do on the ACT Math test?
Letter of the Day
Round up/down
Blind Guess
20
What strategy should you use when answering variable problems like this?
FOIL
Pythagorean theorem
Backsolve (plug in their numbers)
Plug in your numbers
21
What is pythagorean theorem?
a2 + b2 = c2
(b*h)/2
2a + 2b = c
22
What strategy should you use to solve this problem?
Plug in your numbers
Order of operations (PEDMAS)
Ballpark
23
What is a helpful strategy when answering word problems like this?
Use a variable
Break the question into smaller parts
Underline the question
24
What does PEMDAS mean?
Part 1 first Every Multiple Divides As Substitutes
Parenthesis, exponents, multiply, divide, add, subtract
Please Excuse My Dear Aunt Sally
25
What do you need to remember when solving -2x>10 ?
Change the sign when dividing by the side with x
Change the sign when dividing by negative numbers
Use your calculators
26
What equation do you use to find the area of a triangle?
(b*h)/2
b*2π
b*h
27
The sum of a triangle's angles always equals how many degrees?
180
360
90
45
28
The sum of a rectangle's angles always equals how many degrees?
360
180
45
90
29
What is a helpful strategy for the Math ACT test?
Use your calculator
Solve every problem
Stay up all night before studying
Have a sense of humor
30
What strategy would you use to solve this problem?
Slope intercept form
Ballpark
Plug in your numbers
Percent change
