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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. Area of a Square
A = s x s (s square)
All sides of the triangle are the same length
Two angles whose sum is 180 degrees
7 days

2. Right Angle
An angle whose measure is 90 degrees
A =
60 minutes
An angle whose measure is 180 degrees

3. Obtuse Angle
The average of a set of numbers
An angle whose measure is greater than 90 and less than 180 degrees
Number of square units needed to cover the shape
No sides of the triangle are the same length

4. Convert 1 pint (to cups)
2 cups
An angle whose measure is 180 degrees
King Henry Died Unexpectedly Drinking Chocolate Milk (Kilo - Hecto - Deka - base Unit - Deci - Centi - Milli)
365 days

5. Convert 1 hour (to minutes)
Two angles whose sum is 180 degrees
C = p d
60 minutes
Number of square units needed to cover the shape

6. Convert 1 day (to hours)
Two angles whose sum is 90 degrees
24 hours
A =
V = 4/3 p r

7. Simple Interest Formula
I = prt Interest = (amount $)(rate as decimal)(time in yrs)
The common endpoint the 2 rays share when forming an angle
C = p d
Number of square units needed to cover the shape

8. Scalene Triangle
No sides of the triangle are the same length
One angle of the triangle is a right angle
Set of points consisting of 2 rays with a common endpoint
8 fluid ounces

9. Straight Angle
An angle whose measure is 180 degrees
V = l x w x h
P = s + s + s
60 minutes

10. Median
All three angles of the triangle are the same measure
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 =
C = p d

11. Isosceles Triangle
(Base Area) x (height of the shape)
Two or more sides of the triangle are the same length
V = 4/3 p r
The common endpoint the 2 rays share when forming an angle

12. Complementary Angles
Two angles whose sum is 90 degrees
No sides of the triangle are the same length
Change / original = % / 100
One angle of the triangle is a right angle

13. Celsius to Fahrenheit Formula
3 feet
Commission = (Amount of Sales) x (Commission Rate)
4 quarts
F= 9/5

14. Area Defined
V = ? p r
% / 100 = is / of
Number of square units needed to cover the shape
Sales Tax = (Amount of Purchase Price) x (Sales Tax Rate)

15. Volume of a Prism
V = ? p r
V = l x w x h
7 days
The number or numbers that occur most often in a set of data

16. Equiangular Triangle
% / 100 = is / of
24 hours
The average of a set of numbers
All three angles of the triangle are the same measure

17. Area of a Rectangle
A = b x h
The number or numbers that occur most often in a set of data
The average of a set of numbers
V = l x w x h

18. Fahrenheit to Celsius Formula
52 weeks
365 days
C=5/9 (F-32)
An angle whose measure is greater than 0 and less than 90 degrees

19. Metric Units Memory Aid
King Henry Died Unexpectedly Drinking Chocolate Milk (Kilo - Hecto - Deka - base Unit - Deci - Centi - Milli)
Two angles whose sum is 90 degrees
P = 2 l + 2w
Two angles whose sum is 180 degrees

20. Volume of a Sphere
An angle whose measure is 180 degrees
One angle of the triangle is a right angle
All sides of the triangle are the same length
V = 4/3 p r

21. Right Triangle
All sides of the triangle are the same length
No sides of the triangle are the same length
4 cups
One angle of the triangle is a right angle

22. Volume Defined
C = p d
(Base Area) x (height of the shape)
An angle whose measure is greater than 0 and less than 90 degrees
No sides of the triangle are the same length

23. Sales Tax Formula
365 days
The common endpoint the 2 rays share when forming an angle
2 pints
Sales Tax = (Amount of Purchase Price) x (Sales Tax Rate)

24. Convert 1 gallon (to quarts)
52 weeks
16 ounces
4 quarts
365 days

25. Mean
Number of square units needed to cover the shape
2000 pounds
The average of a set of numbers
Discount = (Amount of Original Price) x (Rate of Discount)

26. Area of a Triangle
A =
F= 9/5
No sides of the triangle are the same length
P = s + s + s

27. Convert 1 pound (to ounces)
No sides of the triangle are the same length
16 ounces
All three angles of the triangle are acute
Sales Tax = (Amount of Purchase Price) x (Sales Tax Rate)

28. Commission Formula
Change / original = % / 100
2000 pounds
Commission = (Amount of Sales) x (Commission Rate)
P = 2 l + 2w

29. Convert 1 gallon (to cups)
16 cups
V = l x w x h
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.

30. Vertex
The common endpoint the 2 rays share when forming an angle
The average of a set of numbers
2 pints
Commission = (Amount of Sales) x (Commission Rate)

31. Area of a Trapezoid
60 minutes
Commission = (Amount of Sales) x (Commission Rate)
A =
An angle whose measure is greater than 90 and less than 180 degrees

32. Convert 1 week (to days)
2 pints
A = b x h
7 days
I = prt Interest = (amount $)(rate as decimal)(time in yrs)

33. Convert 1 quart (to cups)
4 cups
All sides of the triangle are the same length
P = 2 l + 2w
A = b x h

34. Convert 1 foot (to inches)
Discount = (Amount of Original Price) x (Rate of Discount)
V = l x w x h
C=5/9 (F-32)
12 inches

35. Circumference of a Circle
% / 100 = is / of
C = p d
King Henry Died Unexpectedly Drinking Chocolate Milk (Kilo - Hecto - Deka - base Unit - Deci - Centi - Milli)
Two angles whose sum is 90 degrees

36. Convert 1 ton (to pounds)
2000 pounds
V = ? p r
Commission = (Amount of Sales) x (Commission Rate)
P = 2 l + 2w

37. Convert 1 cup (to fluid ounces)
V = l x w x h
8 fluid 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.
All three angles of the triangle are acute

38. Convert 1 year (to weeks)
F= 9/5
% / 100 = is / of
C = p d
52 weeks

39. Volume of a Pyramid
24 hours
V = ? l x w x h
All three angles of the triangle are acute
365 days

40. Convert 1 year (to days)
P = 4s
365 days
All sides of the triangle are the same length
3 feet

41. Area of a Parallelogram
The number or numbers that occur most often in a set of data
8 fluid ounces
V = l x w x h
A = b x h

42. Equilateral Triangle
All sides of the triangle are the same length
V = ? p r
24 hours
P = 4s

43. Volume of a Cone
60 minutes
All three angles of the triangle are the same measure
The number or numbers that occur most often in a set of data
V = ? p r

44. Angle
V = ? p r
Commission = (Amount of Sales) x (Commission Rate)
Set of points consisting of 2 rays with a common endpoint
3 feet

45. Sum of the Angle Measures of a Triangle
An angle whose measure is greater than 90 and less than 180 degrees
A = p r x r (r square)
The sum of the measures of any triangle is 180 degrees
A =

46. Perimeter Defined
2 cups
The common endpoint the 2 rays share when forming an angle
Add up all the sides
An angle whose measure is 90 degrees

47. Acute Angle
One angle of the triangle is a right angle
An angle whose measure is greater than 0 and less than 90 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.
16 cups

48. Perimeter of a Rectangle
C=5/9 (F-32)
V = 4/3 p r
P = 2 l + 2w
An angle whose measure is greater than 0 and less than 90 degrees

49. Percent Increase or Decrease Formula
24 hours
8 fluid ounces
Change / original = % / 100
3 feet

50. Convert 1 mile (to feet)
5280 feet
One angle of the triangle is an obtuse angle
8 fluid ounces
A = p r x r (r square)