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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. Equilateral Triangle
2 pints
12 inches
(Base Area) x (height of the shape)
All sides of the triangle are the same length

2. Volume of a Cylinder
V = p r
4 cups
2 pints
V = l x w x h

3. Convert 1 yard (to feet)
A = b x h
3 feet
An angle whose measure is greater than 0 and less than 90 degrees
V = 4/3 p r

4. Celsius to Fahrenheit Formula
F= 9/5
V = ? p r
No sides of the triangle are the same length
P = s + s + s

5. Supplementary Angles
12 inches
I = prt Interest = (amount $)(rate as decimal)(time in yrs)
2 cups
Two angles whose sum is 180 degrees

6. Convert 1 ton (to pounds)
C = p d
2000 pounds
King Henry Died Unexpectedly Drinking Chocolate Milk (Kilo - Hecto - Deka - base Unit - Deci - Centi - Milli)
Add up all the sides

7. Right Angle
The number or numbers that occur most often in a set of data
I = prt Interest = (amount $)(rate as decimal)(time in yrs)
An angle whose measure is 90 degrees
Change / original = % / 100

8. Mode
P = s + s + s
The number or numbers that occur most often in a set of data
A = p r x r (r square)
The sum of the measures of any triangle is 180 degrees

9. Obtuse Angle
An angle whose measure is greater than 90 and less than 180 degrees
24 hours
The common endpoint the 2 rays share when forming an angle
V = p r

10. Commission Formula
Set of points consisting of 2 rays with a common endpoint
4 cups
An angle whose measure is 180 degrees
Commission = (Amount of Sales) x (Commission Rate)

11. Convert 1 quart (to pints)
No sides of the triangle are the same length
2 cups
% / 100 = is / of
2 pints

12. Obtuse Triangle
One angle of the triangle is an obtuse angle
Change / original = % / 100
An angle whose measure is 180 degrees
An angle whose measure is 90 degrees

13. Convert 1 cup (to fluid ounces)
V = ? l x w x h
Two or more sides of the triangle are the same length
365 days
8 fluid ounces

14. Area of a Rectangle
A = b x h
F= 9/5
2000 pounds
One angle of the triangle is an obtuse angle

15. Acute Angle
Change / original = % / 100
The number or numbers that occur most often in a set of data
A =
An angle whose measure is greater than 0 and less than 90 degrees

16. Convert 1 gallon (to quarts)
A = b x h
Two angles whose sum is 90 degrees
4 quarts
Sales Tax = (Amount of Purchase Price) x (Sales Tax Rate)

17. Convert 1 hour (to minutes)
60 minutes
2 cups
Add up all the sides
4 cups

18. Area Defined
% / 100 = is / of
A = p r x r (r square)
Number of square units needed to cover the shape
16 ounces

19. Volume of a Sphere
One angle of the triangle is an obtuse angle
Two angles whose sum is 90 degrees
V = 4/3 p r
An angle whose measure is 90 degrees

20. Volume of a Cone
12 inches
A =
All sides of the triangle are the same length
V = ? p r

21. Scalene Triangle
3 feet
No sides of the triangle are the same length
4 cups
F= 9/5

22. Convert 1 pound (to ounces)
Discount = (Amount of Original Price) x (Rate of Discount)
16 ounces
Number of square units needed to cover the shape
16 cups

23. Area of a Circle
All three angles of the triangle are acute
A = p r x r (r square)
Set of points consisting of 2 rays with a common endpoint
60 seconds

24. Isosceles Triangle
Two or more sides of the triangle are the same length
P = 4s
Number of square units needed to cover the shape
An angle whose measure is greater than 0 and less than 90 degrees

25. Convert 1 foot (to inches)
12 inches
A = b x h
No sides of the triangle are the same length
A = s x s (s square)

26. Median
365 days
All three angles of the triangle are acute
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 =

27. Percent Increase or Decrease Formula
% / 100 = is / of
Change / original = % / 100
60 minutes
Set of points consisting of 2 rays with a common endpoint

28. Simple Interest Formula
All three angles of the triangle are the same measure
C=5/9 (F-32)
I = prt Interest = (amount $)(rate as decimal)(time in yrs)
All sides of the triangle are the same length

29. Area of a Parallelogram
Number of square units needed to cover the shape
A = b x h
A =
2000 pounds

30. Convert 1 quart (to cups)
4 cups
Two or more sides of the triangle are the same length
Change / original = % / 100
7 days

31. Angle
8 fluid ounces
A = s x s (s square)
One angle of the triangle is a right angle
Set of points consisting of 2 rays with a common endpoint

32. Metric Units Memory Aid
Sales Tax = (Amount of Purchase Price) x (Sales Tax 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
V = p r

33. Area of a Triangle
Two angles whose sum is 90 degrees
A =
C = p d
Commission = (Amount of Sales) x (Commission Rate)

34. Volume of a Prism
7 days
V = l x w x h
The sum of the measures of any triangle is 180 degrees
C=5/9 (F-32)

35. Discount
(Base Area) x (height of the shape)
Two angles whose sum is 180 degrees
24 hours
Discount = (Amount of Original Price) x (Rate of Discount)

36. Percent Proportion Formula
365 days
60 minutes
% / 100 = is / of
A = b x h

37. Right Triangle
One angle of the triangle is a right angle
A =
7 days
F= 9/5

38. Convert 1 mile (to feet)
5280 feet
C=5/9 (F-32)
Set of points consisting of 2 rays with a common endpoint
4 quarts

39. Straight Angle
Discount = (Amount of Original Price) x (Rate of Discount)
An angle whose measure is 180 degrees
24 hours
V = ? p r

40. Convert 1 day (to hours)
An angle whose measure is greater than 0 and less than 90 degrees
One angle of the triangle is a right angle
P = 2 l + 2w
24 hours

41. Circumference of a Circle
C = p d
Two angles whose sum is 90 degrees
Two or more sides of the triangle are the same length
2 pints

42. Sales Tax Formula
Two or more sides of the triangle are the same length
The sum of the measures of any triangle is 180 degrees
12 inches
Sales Tax = (Amount of Purchase Price) x (Sales Tax Rate)

43. Convert 1 gallon (to cups)
24 hours
No sides of the triangle are the same length
16 cups
2 cups

44. Convert 1 pint (to cups)
Add up all the sides
F= 9/5
2 cups
The number or numbers that occur most often in a set of data

45. Area of a Trapezoid
Set of points consisting of 2 rays with a common endpoint
A = b x h
A =
52 weeks

46. Convert 1 week (to days)
7 days
One angle of the triangle is an obtuse angle
Two angles whose sum is 180 degrees
Sales Tax = (Amount of Purchase Price) x (Sales Tax Rate)

47. Perimeter Defined
King Henry Died Unexpectedly Drinking Chocolate Milk (Kilo - Hecto - Deka - base Unit - Deci - Centi - Milli)
A = b x h
All three angles of the triangle are acute
Add up all the sides

48. Mean
The average of a set of numbers
V = p r
60 minutes
P = 4s

49. Convert 1 year (to days)
365 days
2000 pounds
% / 100 = is / of
King Henry Died Unexpectedly Drinking Chocolate Milk (Kilo - Hecto - Deka - base Unit - Deci - Centi - Milli)

50. Volume Defined
The average of a set of numbers
16 cups
(Base Area) x (height of the shape)
2000 pounds