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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. Perimeter Defined
Add up all the sides
V = ? l x w x h
Change / original = % / 100
A = p r x r (r square)

2. Percent Increase or Decrease Formula
Change / original = % / 100
King Henry Died Unexpectedly Drinking Chocolate Milk (Kilo - Hecto - Deka - base Unit - Deci - Centi - Milli)
A = b x h
12 inches

3. Volume of a Pyramid
7 days
Discount = (Amount of Original Price) x (Rate of Discount)
V = ? l x w x h
A = b x h

4. Equiangular Triangle
Add up all the sides
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.
All three angles of the triangle are the same measure

5. Convert 1 gallon (to quarts)
4 quarts
V = 4/3 p r
An angle whose measure is 90 degrees
Sales Tax = (Amount of Purchase Price) x (Sales Tax Rate)

6. Perimeter of a Square
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
A = b x h
P = 4s

7. Supplementary Angles
One angle of the triangle is a right angle
Two angles whose sum is 180 degrees
An angle whose measure is greater than 0 and less than 90 degrees
An angle whose measure is 90 degrees

8. Right Triangle
V = l x w x h
Number of square units needed to cover the shape
One angle of the triangle is a right angle
Two angles whose sum is 90 degrees

9. Right Angle
Add up all the sides
All three angles of the triangle are acute
A = b x h
An angle whose measure is 90 degrees

10. Convert 1 year (to days)
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.
One angle of the triangle is a right angle
365 days
60 seconds

11. Perimeter of a Triangle
60 minutes
P = s + s + s
60 seconds
A = b x h

12. Convert 1 day (to hours)
One angle of the triangle is an obtuse angle
24 hours
An angle whose measure is 180 degrees
Change / original = % / 100

13. Convert 1 cup (to fluid ounces)
The common endpoint the 2 rays share when forming an angle
The average of a set of numbers
8 fluid ounces
60 minutes

14. Area of a Rectangle
The sum of the measures of any triangle is 180 degrees
A = b x h
4 quarts
All three angles of the triangle are acute

15. Simple Interest Formula
4 cups
% / 100 = is / of
60 minutes
I = prt Interest = (amount $)(rate as decimal)(time in yrs)

16. Percent Proportion Formula
2 cups
V = ? p r
% / 100 = is / of
4 cups

17. Convert 1 pint (to cups)
The common endpoint the 2 rays share when forming an angle
Sales Tax = (Amount of Purchase Price) x (Sales Tax Rate)
4 cups
2 cups

18. Equilateral Triangle
All three angles of the triangle are the same measure
An angle whose measure is 90 degrees
All sides of the triangle are the same length
2 pints

19. Convert 1 ton (to pounds)
2000 pounds
V = l x w x h
P = 2 l + 2w
16 ounces

20. Isosceles Triangle
16 cups
(Base Area) x (height of the shape)
Two or more sides of the triangle are the same length
C = p d

21. Sales Tax Formula
All three angles of the triangle are acute
P = 4s
Sales Tax = (Amount of Purchase Price) x (Sales Tax Rate)
60 seconds

22. Mode
365 days
The number or numbers that occur most often in a set of data
Add up all the sides
52 weeks

23. Volume of a Cylinder
C=5/9 (F-32)
Number of square units needed to cover the shape
Change / original = % / 100
V = p r

24. Convert 1 pound (to ounces)
Add up all the sides
F= 9/5
16 ounces
A =

25. Convert 1 gallon (to cups)
16 cups
C = p d
V = 4/3 p r
The common endpoint the 2 rays share when forming an angle

26. Convert 1 year (to weeks)
V = l x w x h
52 weeks
F= 9/5
60 seconds

27. Metric Units Memory Aid
One angle of the triangle is a right angle
King Henry Died Unexpectedly Drinking Chocolate Milk (Kilo - Hecto - Deka - base Unit - Deci - Centi - Milli)
2 pints
60 minutes

28. Obtuse Angle
An angle whose measure is greater than 90 and less than 180 degrees
% / 100 = is / of
F= 9/5
P = 4s

29. Convert 1 yard (to feet)
P = 2 l + 2w
24 hours
3 feet
12 inches

30. Area of a Parallelogram
No sides of the triangle are the same length
A = b x h
2 cups
The common endpoint the 2 rays share when forming an angle

31. Angle
Set of points consisting of 2 rays with a common endpoint
2 pints
4 quarts
4 cups

32. Commission Formula
2 cups
One angle of the triangle is an obtuse angle
2000 pounds
Commission = (Amount of Sales) x (Commission Rate)

33. Convert 1 mile (to feet)
An angle whose measure is 90 degrees
A =
The common endpoint the 2 rays share when forming an angle
5280 feet

34. Median
Number of square units needed to cover the shape
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 seconds
An angle whose measure is greater than 90 and less than 180 degrees

35. Convert 1 foot (to inches)
One angle of the triangle is a right angle
A =
12 inches
4 cups

36. Scalene Triangle
An angle whose measure is 90 degrees
No sides of the triangle are the same length
The common endpoint the 2 rays share when forming an angle
C = p d

37. Convert 1 quart (to cups)
V = ? l x w x h
Two angles whose sum is 180 degrees
All three angles of the triangle are the same measure
4 cups

38. Area of a Circle
A = p r x r (r square)
4 cups
C = p d
4 quarts

39. Convert 1 quart (to pints)
A =
An angle whose measure is 180 degrees
Change / original = % / 100
2 pints

40. Perimeter of a Rectangle
Two angles whose sum is 90 degrees
16 cups
P = 4s
P = 2 l + 2w

41. Sum of the Angle Measures of a Triangle
3 feet
V = 4/3 p r
No sides of the triangle are the same length
The sum of the measures of any triangle is 180 degrees

42. Area of a Square
4 quarts
An angle whose measure is greater than 90 and less than 180 degrees
King Henry Died Unexpectedly Drinking Chocolate Milk (Kilo - Hecto - Deka - base Unit - Deci - Centi - Milli)
A = s x s (s square)

43. Discount
Discount = (Amount of Original Price) x (Rate of Discount)
I = prt Interest = (amount $)(rate as decimal)(time in yrs)
V = 4/3 p r
A = b x h

44. Volume of a Prism
24 hours
Set of points consisting of 2 rays with a common endpoint
The number or numbers that occur most often in a set of data
V = l x w x h

45. Acute Angle
An angle whose measure is greater than 0 and less than 90 degrees
24 hours
King Henry Died Unexpectedly Drinking Chocolate Milk (Kilo - Hecto - Deka - base Unit - Deci - Centi - Milli)
3 feet

46. Volume Defined
(Base Area) x (height of the shape)
4 cups
Sales Tax = (Amount of Purchase Price) x (Sales Tax Rate)
8 fluid ounces

47. Convert 1 minute (to seconds)
60 seconds
Discount = (Amount of Original Price) x (Rate of Discount)
I = prt Interest = (amount $)(rate as decimal)(time in yrs)
Two or more sides of the triangle are the same length

48. Straight Angle
An angle whose measure is 180 degrees
4 cups
I = prt Interest = (amount $)(rate as decimal)(time in yrs)
(Base Area) x (height of the shape)

49. Volume of a Cone
One angle of the triangle is an obtuse angle
V = ? p r
4 quarts
Set of points consisting of 2 rays with a common endpoint

50. Mean
The average of a set of numbers
2 cups
Sales Tax = (Amount of Purchase Price) x (Sales Tax Rate)
365 days