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Praxis 1 Math Formulas

Subjects : praxis, math

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. Simple Interest Formula
P = 2 l + 2w
All three angles of the triangle are the same measure
I = prt Interest = (amount $)(rate as decimal)(time in yrs)
A =

2. Convert 1 year (to weeks)
52 weeks
V = ? p r
An angle whose measure is 90 degrees
Discount = (Amount of Original Price) x (Rate of Discount)

3. Isosceles Triangle
The common endpoint the 2 rays share when forming an angle
Two or more sides of the triangle are the same length
52 weeks
Commission = (Amount of Sales) x (Commission Rate)

4. Convert 1 cup (to fluid ounces)
8 fluid ounces
16 cups
(Base Area) x (height of the shape)
5280 feet

5. Area of a Circle
365 days
A = p r x r (r square)
V = l x w x h
V = 4/3 p r

6. Percent Proportion Formula
A =
Number of square units needed to cover the shape
One angle of the triangle is an obtuse angle
% / 100 = is / of

7. Area of a Triangle
52 weeks
A =
The number or numbers that occur most often in a set of data
4 cups

8. Convert 1 gallon (to cups)
4 cups
An angle whose measure is 180 degrees
Two or more sides of the triangle are the same length
16 cups

9. Convert 1 pound (to ounces)
A = b x h
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.
16 ounces

10. Convert 1 quart (to pints)
2 cups
The average of a set of numbers
12 inches
2 pints

11. Equilateral Triangle
All sides of the triangle are the same length
C=5/9 (F-32)
P = 4s
16 ounces

12. Perimeter Defined
60 minutes
Add up all the sides
V = ? p r
A = s x s (s square)

13. Convert 1 yard (to feet)
Commission = (Amount of Sales) x (Commission Rate)
All three angles of the triangle are the same measure
An angle whose measure is greater than 0 and less than 90 degrees
3 feet

14. Volume of a Sphere
365 days
60 seconds
V = 4/3 p r
An angle whose measure is 180 degrees

15. Convert 1 week (to days)
24 hours
7 days
Discount = (Amount of Original Price) x (Rate of Discount)
The average of a set of numbers

16. Fahrenheit to Celsius Formula
% / 100 = is / of
Two angles whose sum is 90 degrees
The number or numbers that occur most often in a set of data
C=5/9 (F-32)

17. Convert 1 minute (to seconds)
Number of square units needed to cover the shape
No sides of the triangle are the same length
Sales Tax = (Amount of Purchase Price) x (Sales Tax Rate)
60 seconds

18. Metric Units Memory Aid
An angle whose measure is 90 degrees
King Henry Died Unexpectedly Drinking Chocolate Milk (Kilo - Hecto - Deka - base Unit - Deci - Centi - Milli)
60 minutes
An angle whose measure is greater than 90 and less than 180 degrees

19. Equiangular Triangle
An angle whose measure is greater than 90 and less than 180 degrees
All three angles of the triangle are acute
All three angles of the triangle are the same measure
V = ? l x w x h

20. Mean
No sides of the triangle are the same length
Commission = (Amount of Sales) x (Commission Rate)
An angle whose measure is greater than 90 and less than 180 degrees
The average of a set of numbers

21. Sum of the Angle Measures of a Triangle
The sum of the measures of any triangle is 180 degrees
King Henry Died Unexpectedly Drinking Chocolate Milk (Kilo - Hecto - Deka - base Unit - Deci - Centi - Milli)
V = 4/3 p r
An angle whose measure is 90 degrees

22. Obtuse Triangle
One angle of the triangle is an obtuse angle
3 feet
% / 100 = is / of
5280 feet

23. Complementary Angles
Number of square units needed to cover the shape
Two angles whose sum is 90 degrees
The average of a set of numbers
One angle of the triangle is a right angle

24. Percent Increase or Decrease Formula
Change / original = % / 100
A = p r x r (r square)
The average of a set of numbers
V = ? p r

25. Volume of a Cylinder
V = p r
Set of points consisting of 2 rays with a common endpoint
A = b x h
60 seconds

26. Volume Defined
I = prt Interest = (amount $)(rate as decimal)(time in yrs)
Commission = (Amount of Sales) x (Commission Rate)
(Base Area) x (height of the shape)
A =

27. Commission Formula
Commission = (Amount of Sales) x (Commission Rate)
King Henry Died Unexpectedly Drinking Chocolate Milk (Kilo - Hecto - Deka - base Unit - Deci - Centi - Milli)
Set of points consisting of 2 rays with a common endpoint
All three angles of the triangle are the same measure

28. Perimeter of a Triangle
Sales Tax = (Amount of Purchase Price) x (Sales Tax Rate)
The number or numbers that occur most often in a set of data
A = p r x r (r square)
P = s + s + s

29. Mode
16 ounces
All three angles of the triangle are acute
The number or numbers that occur most often in a set of data
8 fluid ounces

30. Area of a Square
V = 4/3 p r
Commission = (Amount of Sales) x (Commission Rate)
A = s x s (s square)
4 cups

31. Straight Angle
% / 100 = is / of
A = s x s (s square)
52 weeks
An angle whose measure is 180 degrees

32. Celsius to Fahrenheit Formula
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 = 4/3 p r
The sum of the measures of any triangle is 180 degrees
F= 9/5

33. Volume of a Prism
365 days
P = 4s
V = l x w x h
A = s x s (s square)

34. Area Defined
Two angles whose sum is 180 degrees
V = ? p r
(Base Area) x (height of the shape)
Number of square units needed to cover the shape

35. Circumference of a Circle
60 seconds
C=5/9 (F-32)
4 quarts
C = p d

36. Convert 1 hour (to minutes)
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
12 inches
P = 2 l + 2w

37. Area of a Parallelogram
% / 100 = is / of
A = b x h
7 days
The common endpoint the 2 rays share when forming an angle

38. Convert 1 quart (to cups)
All sides of the triangle are the same length
No sides of the triangle are the same length
The average of a set of numbers
4 cups

39. Angle
7 days
Set of points consisting of 2 rays with a common endpoint
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.
P = s + s + s

40. Convert 1 year (to days)
365 days
16 ounces
Two or more sides of the triangle are the same length
All sides of the triangle are the same length

41. Convert 1 pint (to cups)
2 cups
V = ? p r
King Henry Died Unexpectedly Drinking Chocolate Milk (Kilo - Hecto - Deka - base Unit - Deci - Centi - Milli)
12 inches

42. Area of a Trapezoid
A =
V = l x w x h
V = ? l x w x h
Two or more sides of the triangle are the same length

43. Right Triangle
V = ? p r
V = l x w x h
A = b x h
One angle of the triangle is a right angle

44. Obtuse Angle
An angle whose measure is greater than 90 and less than 180 degrees
All three angles of the triangle are the same measure
% / 100 = is / of
P = 4s

45. Right Angle
A = s x s (s square)
Commission = (Amount of Sales) x (Commission Rate)
An angle whose measure is 90 degrees
Sales Tax = (Amount of Purchase Price) x (Sales Tax Rate)

46. Vertex
An angle whose measure is greater than 90 and less than 180 degrees
2 cups
Change / original = % / 100
The common endpoint the 2 rays share when forming an angle

47. Scalene Triangle
Change / original = % / 100
An angle whose measure is greater than 90 and less than 180 degrees
An angle whose measure is 180 degrees
No sides of the triangle are the same length

48. Perimeter of a Square
365 days
P = 4s
52 weeks
King Henry Died Unexpectedly Drinking Chocolate Milk (Kilo - Hecto - Deka - base Unit - Deci - Centi - Milli)

49. Acute Angle
An angle whose measure is greater than 0 and less than 90 degrees
A = b x h
All three angles of the triangle are the same measure
A =

50. Sales Tax Formula
4 cups
8 fluid ounces
V = ? l x w x h
Sales Tax = (Amount of Purchase Price) x (Sales Tax Rate)