Test your basic knowledge |

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. Mode
F= 9/5
One angle of the triangle is an obtuse angle
The number or numbers that occur most often in a set of data
Change / original = % / 100

2. Area of a Trapezoid
The sum of the measures of any triangle is 180 degrees
Discount = (Amount of Original Price) x (Rate of Discount)
C=5/9 (F-32)
A =

3. Convert 1 hour (to minutes)
Number of square units needed to cover the shape
16 cups
Commission = (Amount of Sales) x (Commission Rate)
60 minutes

4. Convert 1 foot (to inches)
P = s + s + s
12 inches
The common endpoint the 2 rays share when forming an angle
% / 100 = is / of

5. Discount
Discount = (Amount of Original Price) x (Rate of Discount)
3 feet
12 inches
All sides of the triangle are the same length

6. Complementary Angles
C = p d
An angle whose measure is greater than 0 and less than 90 degrees
P = 2 l + 2w
Two angles whose sum is 90 degrees

7. Convert 1 mile (to feet)
7 days
5280 feet
Commission = (Amount of Sales) x (Commission Rate)
No sides of the triangle are the same length

8. Area of a Circle
A = p r x r (r square)
2000 pounds
Two or more sides of the triangle are the same length
(Base Area) x (height of the shape)

9. Area of a Square
A = s x s (s square)
C=5/9 (F-32)
V = l x w x h
12 inches

10. Commission Formula
V = ? l x w x h
Commission = (Amount of Sales) x (Commission Rate)
2 cups
A = p r x r (r square)

11. Angle
All three angles of the triangle are acute
The sum of the measures of any triangle is 180 degrees
Set of points consisting of 2 rays with a common endpoint
A = s x s (s square)

12. Convert 1 pound (to ounces)
V = ? l x w x h
16 ounces
A = b x h
4 quarts

13. Sales Tax Formula
12 inches
The number or numbers that occur most often in a set of data
Sales Tax = (Amount of Purchase Price) x (Sales Tax Rate)
52 weeks

14. Fahrenheit to Celsius Formula
Add up all the sides
A = b x h
C=5/9 (F-32)
Two or more sides of the triangle are the same length

15. Volume Defined
A = s x s (s square)
C = p d
2 pints
(Base Area) x (height of the shape)

16. Acute Angle
4 quarts
An angle whose measure is greater than 0 and less than 90 degrees
2 cups
60 minutes

17. Volume of a Pyramid
All three angles of the triangle are acute
All sides of the triangle are the same length
The common endpoint the 2 rays share when forming an angle
V = ? l x w x h

18. Volume of a Sphere
All sides of the triangle are the same length
All three angles of the triangle are the same measure
(Base Area) x (height of the shape)
V = 4/3 p r

19. Vertex
4 quarts
The common endpoint the 2 rays share when forming an angle
Add up all the sides
Two or more sides of the triangle are the same length

20. Supplementary Angles
P = 2 l + 2w
V = 4/3 p r
Two angles whose sum is 180 degrees
24 hours

21. Celsius to Fahrenheit Formula
Set of points consisting of 2 rays with a common endpoint
Change / original = % / 100
All three angles of the triangle are the same measure
F= 9/5

22. Percent Proportion Formula
P = 2 l + 2w
Number of square units needed to cover the shape
% / 100 = is / of
I = prt Interest = (amount $)(rate as decimal)(time in yrs)

23. Convert 1 minute (to seconds)
% / 100 = is / of
60 seconds
Sales Tax = (Amount of Purchase Price) x (Sales Tax Rate)
The common endpoint the 2 rays share when forming an angle

24. 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.
16 ounces
V = l x w x h
The sum of the measures of any triangle is 180 degrees

25. Convert 1 gallon (to quarts)
60 seconds
P = s + s + s
Commission = (Amount of Sales) x (Commission Rate)
4 quarts

26. Convert 1 year (to weeks)
52 weeks
(Base Area) x (height of the shape)
2000 pounds
V = 4/3 p r

27. Obtuse Triangle
One angle of the triangle is an obtuse angle
16 cups
P = 4s
The average of a set of numbers

28. Convert 1 quart (to pints)
An angle whose measure is 90 degrees
2000 pounds
2 pints
No sides of the triangle are the same length

29. Volume of a Cylinder
All three angles of the triangle are acute
V = p r
The number or numbers that occur most often in a set of data
C=5/9 (F-32)

30. Circumference of a Circle
4 quarts
3 feet
An angle whose measure is greater than 0 and less than 90 degrees
C = p d

31. Convert 1 day (to hours)
3 feet
A = s x s (s square)
One angle of the triangle is a right angle
24 hours

32. Straight Angle
P = s + s + s
The average of a set of numbers
An angle whose measure is 180 degrees
Sales Tax = (Amount of Purchase Price) x (Sales Tax Rate)

33. Convert 1 gallon (to cups)
2 cups
All three angles of the triangle are the same measure
Change / original = % / 100
16 cups

34. Convert 1 yard (to feet)
One angle of the triangle is a right angle
V = p r
3 feet
The common endpoint the 2 rays share when forming an angle

35. Convert 1 ton (to pounds)
An angle whose measure is greater than 90 and less than 180 degrees
A = b x h
The common endpoint the 2 rays share when forming an angle
2000 pounds

36. Perimeter of a Triangle
V = p r
All three angles of the triangle are the same measure
P = s + s + s
% / 100 = is / of

37. Acute Triangle
I = prt Interest = (amount $)(rate as decimal)(time in yrs)
C = p d
All three angles of the triangle are acute
The common endpoint the 2 rays share when forming an angle

38. Perimeter of a Square
12 inches
24 hours
P = 4s
Two angles whose sum is 90 degrees

39. Mean
The number or numbers that occur most often in a set of data
24 hours
The average of a set of numbers
Two angles whose sum is 90 degrees

40. Percent Increase or Decrease Formula
An angle whose measure is greater than 90 and less than 180 degrees
5280 feet
2 pints
Change / original = % / 100

41. Right Angle
Change / original = % / 100
An angle whose measure is 90 degrees
12 inches
The number or numbers that occur most often in a set of data

42. Convert 1 quart (to cups)
4 quarts
Two angles whose sum is 90 degrees
4 cups
No sides of the triangle are the same length

43. Right Triangle
Commission = (Amount of Sales) x (Commission Rate)
One angle of the triangle is a right angle
8 fluid ounces
% / 100 = is / of

44. Scalene Triangle
Discount = (Amount of Original Price) x (Rate of Discount)
C=5/9 (F-32)
No sides of the triangle are the same length
One angle of the triangle is an obtuse angle

45. Equiangular Triangle
All three angles of the triangle are the same measure
Two or more sides of the triangle are the same length
Two angles whose sum is 90 degrees
V = 4/3 p r

46. Obtuse Angle
V = p r
The number or numbers that occur most often in a set of data
An angle whose measure is greater than 90 and less than 180 degrees
2 pints

47. Convert 1 year (to days)
The common endpoint the 2 rays share when forming an angle
365 days
Two angles whose sum is 180 degrees
Discount = (Amount of Original Price) x (Rate of Discount)

48. Area of a Triangle
An angle whose measure is greater than 0 and less than 90 degrees
A = b x h
A =
King Henry Died Unexpectedly Drinking Chocolate Milk (Kilo - Hecto - Deka - base Unit - Deci - Centi - Milli)

49. Perimeter of a Rectangle
The common endpoint the 2 rays share when forming an angle
P = 4s
All sides of the triangle are the same length
P = 2 l + 2w

50. Metric Units Memory Aid
A = p r x r (r square)
7 days
King Henry Died Unexpectedly Drinking Chocolate Milk (Kilo - Hecto - Deka - base Unit - Deci - Centi - Milli)
All three angles of the triangle are the same measure