Praxis 1 Math Formulas

Instructions:

• Answer 50 questions in 15 minutes.
• If you are not ready to take this test, you can study here.
• Match each statement with the correct term.
• Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. Right Angle
All sides of the triangle are the same length
12 inches
4 quarts
An angle whose measure is 90 degrees


2. Volume Defined
V = ? p r
F= 9/5
(Base Area) x (height of the shape)
16 cups


3. Area of a Circle
52 weeks
V = l x w x h
A = p r x r (r square)
Two angles whose sum is 90 degrees


4. Supplementary Angles
A = p r x r (r square)
The number or numbers that occur most often in a set of data
The average of a set of numbers
Two angles whose sum is 180 degrees


5. Convert 1 quart (to pints)
No sides of the triangle are the same length
One angle of the triangle is a right angle
2 pints
24 hours


6. Area of a Trapezoid
% / 100 = is / of
365 days
A =
V = ? p r


7. Vertex
Sales Tax = (Amount of Purchase Price) x (Sales Tax Rate)
60 seconds
The common endpoint the 2 rays share when forming an angle
P = 2 l + 2w


8. Convert 1 yard (to feet)
24 hours
Discount = (Amount of Original Price) x (Rate of Discount)
3 feet
2 cups


9. Sales Tax Formula
One angle of the triangle is an obtuse angle
The number or numbers that occur most often in a set of data
12 inches
Sales Tax = (Amount of Purchase Price) x (Sales Tax Rate)


10. Commission Formula
Commission = (Amount of Sales) x (Commission Rate)
F= 9/5
8 fluid ounces
A = b x h


11. Median
List the data in order from smallest to largest. The median is the middle # (if you have an odd # of data). If you have an even # of data - take the two in the middle and average them.
Change / original = % / 100
% / 100 = is / of
Number of square units needed to cover the shape


12. Right Triangle
Number of square units needed to cover the shape
All sides of the triangle are the same length
A = s x s (s square)
One angle of the triangle is a right angle


13. Volume of a Cone
V = 4/3 p r
Sales Tax = (Amount of Purchase Price) x (Sales Tax Rate)
V = ? p r
One angle of the triangle is a right angle


14. Convert 1 pound (to ounces)
All sides of the triangle are the same length
16 ounces
Change / original = % / 100
365 days


15. Volume of a Cylinder
V = p r
I = prt Interest = (amount $)(rate as decimal)(time in yrs)
V = ? l x w x h
Set of points consisting of 2 rays with a common endpoint


16. Perimeter of a Square
P = 4s
I = prt Interest = (amount $)(rate as decimal)(time in yrs)
King Henry Died Unexpectedly Drinking Chocolate Milk (Kilo - Hecto - Deka - base Unit - Deci - Centi - Milli)
All three angles of the triangle are acute


17. Circumference of a Circle
V = p r
C = p d
Two angles whose sum is 90 degrees
52 weeks


18. Convert 1 minute (to seconds)
V = ? l x w x h
365 days
60 seconds
16 ounces


19. Area of a Triangle
V = l x w x h
Number of square units needed to cover the shape
A =
Commission = (Amount of Sales) x (Commission Rate)


20. Volume of a Pyramid
(Base Area) x (height of the shape)
V = ? l x w x h
F= 9/5
Number of square units needed to cover the shape


21. Perimeter Defined
List the data in order from smallest to largest. The median is the middle # (if you have an odd # of data). If you have an even # of data - take the two in the middle and average them.
(Base Area) x (height of the shape)
Set of points consisting of 2 rays with a common endpoint
Add up all the sides


22. Volume of a Prism
Add up all the sides
V = 4/3 p r
V = l x w x h
16 ounces


23. Acute Triangle
List the data in order from smallest to largest. The median is the middle # (if you have an odd # of data). If you have an even # of data - take the two in the middle and average them.
All three angles of the triangle are acute
F= 9/5
3 feet


24. Area of a Parallelogram
A = b x h
An angle whose measure is 180 degrees
All three angles of the triangle are the same measure
P = 2 l + 2w


25. Obtuse Triangle
One angle of the triangle is an obtuse angle
An angle whose measure is greater than 0 and less than 90 degrees
A =
F= 9/5


26. Convert 1 gallon (to quarts)
List the data in order from smallest to largest. The median is the middle # (if you have an odd # of data). If you have an even # of data - take the two in the middle and average them.
(Base Area) x (height of the shape)
4 quarts
The average of a set of numbers


27. Discount
The sum of the measures of any triangle is 180 degrees
2 pints
All three angles of the triangle are the same measure
Discount = (Amount of Original Price) x (Rate of Discount)


28. Convert 1 ton (to pounds)
2000 pounds
List the data in order from smallest to largest. The median is the middle # (if you have an odd # of data). If you have an even # of data - take the two in the middle and average them.
V = ? l x w x h
All three angles of the triangle are the same measure


29. Mean
F= 9/5
The average of a set of numbers
A = p r x r (r square)
V = 4/3 p r


30. Celsius to Fahrenheit Formula
5280 feet
All sides of the triangle are the same length
Sales Tax = (Amount of Purchase Price) x (Sales Tax Rate)
F= 9/5


31. Convert 1 gallon (to cups)
The sum of the measures of any triangle is 180 degrees
One angle of the triangle is a right angle
(Base Area) x (height of the shape)
16 cups


32. Percent Increase or Decrease Formula
All three angles of the triangle are acute
The sum of the measures of any triangle is 180 degrees
Change / original = % / 100
4 cups


33. Acute Angle
365 days
7 days
An angle whose measure is greater than 0 and less than 90 degrees
5280 feet


34. Convert 1 foot (to inches)
7 days
12 inches
Sales Tax = (Amount of Purchase Price) x (Sales Tax Rate)
C = p d


35. Isosceles Triangle
(Base Area) x (height of the shape)
All three angles of the triangle are acute
Two or more sides of the triangle are the same length
The number or numbers that occur most often in a set of data


36. Scalene Triangle
No sides of the triangle are the same length
A = b x h
Sales Tax = (Amount of Purchase Price) x (Sales Tax Rate)
A = b x h


37. Equiangular Triangle
All three angles of the triangle are the same measure
7 days
16 cups
365 days


38. Convert 1 year (to weeks)
4 quarts
Change / original = % / 100
52 weeks
V = 4/3 p r


39. Mode
60 seconds
The common endpoint the 2 rays share when forming an angle
The number or numbers that occur most often in a set of data
A =


40. Convert 1 cup (to fluid ounces)
A = b x h
8 fluid ounces
A = p r x r (r square)
The average of a set of numbers


41. Fahrenheit to Celsius Formula
V = ? p r
List the data in order from smallest to largest. The median is the middle # (if you have an odd # of data). If you have an even # of data - take the two in the middle and average them.
60 minutes
C=5/9 (F-32)


42. Area Defined
Number of square units needed to cover the shape
2 pints
2000 pounds
P = 2 l + 2w


43. Convert 1 day (to hours)
24 hours
No sides of the triangle are the same length
P = 4s
An angle whose measure is 180 degrees


44. Obtuse Angle
P = 2 l + 2w
4 cups
No sides of the triangle are the same length
An angle whose measure is greater than 90 and less than 180 degrees


45. Straight Angle
Change / original = % / 100
An angle whose measure is 180 degrees
2000 pounds
60 minutes


46. Area of a Rectangle
3 feet
A = b x h
The number or numbers that occur most often in a set of data
365 days


47. Convert 1 week (to days)
7 days
16 ounces
Add up all the sides
3 feet


48. Simple Interest Formula
Number of square units needed to cover the shape
One angle of the triangle is a right angle
C=5/9 (F-32)
I = prt Interest = (amount $)(rate as decimal)(time in yrs)


49. Sum of the Angle Measures of a Triangle
The sum of the measures of any triangle is 180 degrees
Two angles whose sum is 180 degrees
An angle whose measure is 90 degrees
An angle whose measure is greater than 0 and less than 90 degrees


50. Equilateral Triangle
C = p d
Commission = (Amount of Sales) x (Commission Rate)
An angle whose measure is greater than 0 and less than 90 degrees
All sides of the triangle are the same length