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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. Volume of a Cone
% / 100 = is / of
52 weeks
V = ? p r
5280 feet

2. Area of a Trapezoid
Commission = (Amount of Sales) x (Commission Rate)
2000 pounds
5280 feet
A =

3. Simple Interest Formula
V = ? p r
A = p r x r (r square)
I = prt Interest = (amount $)(rate as decimal)(time in yrs)
Two angles whose sum is 180 degrees

4. Mean
52 weeks
V = p r
The average of a set of numbers
Discount = (Amount of Original Price) x (Rate of Discount)

5. Celsius to Fahrenheit Formula
V = 4/3 p r
Sales Tax = (Amount of Purchase Price) x (Sales Tax Rate)
P = s + s + s
F= 9/5

6. Right Triangle
A = s x s (s square)
2 cups
One angle of the triangle is a right angle
16 cups

7. Supplementary Angles
3 feet
7 days
Two angles whose sum is 180 degrees
A = b x h

8. Convert 1 pound (to ounces)
All three angles of the triangle are the same measure
V = l x w x h
Change / original = % / 100
16 ounces

9. Angle
7 days
Set of points consisting of 2 rays with a common endpoint
A = b x h
Discount = (Amount of Original Price) x (Rate of Discount)

10. Area of a Triangle
Set of points consisting of 2 rays with a common endpoint
The number or numbers that occur most often in a set of data
An angle whose measure is 90 degrees
A =

11. Median
An angle whose measure is 180 degrees
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.
An angle whose measure is greater than 90 and less than 180 degrees
All three angles of the triangle are acute

12. Obtuse Triangle
One angle of the triangle is an obtuse angle
7 days
V = 4/3 p r
8 fluid ounces

13. Straight Angle
V = p r
24 hours
A =
An angle whose measure is 180 degrees

14. Area of a Square
A = s x s (s square)
No sides of the triangle are the same length
2000 pounds
P = 4s

15. Convert 1 quart (to pints)
C = p d
2 pints
(Base Area) x (height of the shape)
60 minutes

16. Isosceles Triangle
Two or more sides of the triangle are the same length
The sum of the measures of any triangle is 180 degrees
V = 4/3 p r
2 pints

17. Convert 1 year (to days)
A =
Two angles whose sum is 90 degrees
365 days
Sales Tax = (Amount of Purchase Price) x (Sales Tax Rate)

18. Fahrenheit to Celsius Formula
C=5/9 (F-32)
16 ounces
All three angles of the triangle are acute
F= 9/5

19. Convert 1 foot (to inches)
12 inches
2 pints
16 ounces
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.

20. Percent Increase or Decrease Formula
3 feet
All sides of the triangle are the same length
Change / original = % / 100
One angle of the triangle is an obtuse angle

21. Equiangular Triangle
An angle whose measure is greater than 90 and less than 180 degrees
All three angles of the triangle are the same measure
Two angles whose sum is 180 degrees
(Base Area) x (height of the shape)

22. Convert 1 gallon (to quarts)
Two angles whose sum is 180 degrees
The average of a set of numbers
4 quarts
365 days

23. Circumference of a Circle
16 cups
C = p d
An angle whose measure is 180 degrees
8 fluid ounces

24. Convert 1 ton (to pounds)
C = p d
2000 pounds
All three angles of the triangle are the same measure
Commission = (Amount of Sales) x (Commission Rate)

25. Convert 1 minute (to seconds)
C = p d
60 seconds
I = prt Interest = (amount $)(rate as decimal)(time in yrs)
4 cups

26. Convert 1 day (to hours)
One angle of the triangle is an obtuse angle
(Base Area) x (height of the shape)
V = ? l x w x h
24 hours

27. Right Angle
Discount = (Amount of Original Price) x (Rate of Discount)
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.
% / 100 = is / of
An angle whose measure is 90 degrees

28. Discount
Discount = (Amount of Original Price) x (Rate of Discount)
Sales Tax = (Amount of Purchase Price) x (Sales Tax Rate)
Two angles whose sum is 180 degrees
An angle whose measure is greater than 90 and less than 180 degrees

29. Perimeter of a Square
2 cups
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 = 4s
V = ? l x w x h

30. Perimeter of a Rectangle
P = 2 l + 2w
All three angles of the triangle are acute
365 days
Two angles whose sum is 90 degrees

31. Equilateral Triangle
8 fluid ounces
All sides of the triangle are the same length
V = 4/3 p r
P = 4s

32. Convert 1 gallon (to cups)
All sides of the triangle are the same length
C = p d
Sales Tax = (Amount of Purchase Price) x (Sales Tax Rate)
16 cups

33. Convert 1 hour (to minutes)
60 minutes
A = b x h
V = 4/3 p r
C=5/9 (F-32)

34. Volume of a Prism
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.
Sales Tax = (Amount of Purchase Price) x (Sales Tax Rate)
A =
V = l x w x h

35. Perimeter Defined
Add up all the sides
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.
A =
365 days

36. Metric Units Memory Aid
No sides of the triangle are the same length
King Henry Died Unexpectedly Drinking Chocolate Milk (Kilo - Hecto - Deka - base Unit - Deci - Centi - Milli)
The common endpoint the 2 rays share when forming an angle
A = b x h

37. Convert 1 week (to days)
Add up all the sides
P = 4s
7 days
24 hours

38. Volume of a Sphere
The sum of the measures of any triangle is 180 degrees
A = p r x r (r square)
% / 100 = is / of
V = 4/3 p r

39. Convert 1 year (to weeks)
Two or more sides of the triangle are the same length
52 weeks
C = p d
An angle whose measure is 90 degrees

40. Complementary Angles
Two angles whose sum is 90 degrees
4 cups
P = 4s
V = ? p r

41. Convert 1 cup (to fluid ounces)
V = ? p r
8 fluid ounces
P = 4s
A = b x h

42. Perimeter of a Triangle
A = b x h
P = s + s + s
Change / original = % / 100
King Henry Died Unexpectedly Drinking Chocolate Milk (Kilo - Hecto - Deka - base Unit - Deci - Centi - Milli)

43. Obtuse Angle
An angle whose measure is greater than 90 and less than 180 degrees
The common endpoint the 2 rays share when forming an angle
A = b x h
P = s + s + s

44. Commission Formula
Commission = (Amount of Sales) x (Commission Rate)
2000 pounds
A = b x h
C = p d

45. Sales Tax Formula
8 fluid ounces
4 cups
A =
Sales Tax = (Amount of Purchase Price) x (Sales Tax Rate)

46. Area of a Circle
All three angles of the triangle are the same measure
12 inches
A = p r x r (r square)
16 ounces

47. Volume of a Pyramid
V = ? p r
60 minutes
V = ? l x w x h
P = 2 l + 2w

48. Mode
P = s + s + s
52 weeks
The number or numbers that occur most often in a set of data
A = s x s (s square)

49. Area of a Parallelogram
The number or numbers that occur most often in a set of data
V = 4/3 p r
A = b x h
The average of a set of numbers

50. Sum of the Angle Measures of a Triangle
The sum of the measures of any triangle is 180 degrees
2 cups
One angle of the triangle is an obtuse angle
8 fluid ounces