Math Final

Card Set Information

Author:
Jeffreeze
ID:
22606
Filename:
Math Final
Updated:
2010-06-08 13:09:03
Tags:
Math Luhi Finals Fractions Decimals Angles
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Description:
Jeffreeze's math study cards for his final. Includes the addition/subtraction of fractions, the multiplication/division of fractions, fractions into decimals, angles and more.
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  1. What does GCF stand for?
    Greatest common factor.
  2. What is the GCF of 144 and 24?
    • 24
    • (24-1, 2, 3, 4, 6, 8, 12, 24 and
    • 144-1, 2, 3, 4, 6, 8, 12, 18, 24, 36, 48. 72, 144)
  3. What is the GCF of 24 and 30?
    6
  4. What does LCM stand for?
    Least common multiple.
  5. What is the LCM of these two numbers?
    14 44
    308
  6. What is the LCM of 7 and 14?
    14
  7. How many factors do a prime number have, and what are they?
    • 2 factors
    • One and itself.
  8. 21- Composite or prime?
    Prime.
  9. 51-Composite or prime?
    Prime
  10. How many factors do a composite number have?
    3 or more
  11. 121- Composite or prime?
    Composite
  12. 123-Composite or prime?
    Prime
  13. What is the prime factorization of 49?
    (Exponents please)
    7 squared
  14. What is the prime factorization of 144?
    (Exponents please)
    2 to the fourth power times 3 squared
  15. What is 10 to the fifth power in standard form?
    100,000
  16. What is 5 to the fourth power in standard form?
    625
  17. If B+B=68, what is B?
    B= 34
  18. If C=5, what would C squared + 16 be?
    41
  19. Explain the P and E in PEMDAS.
    • P= parenthesis- in order of operations, you do the problem inside the parenthesis first
    • E=exponents- in order of operations, if you see an exponent (powers), do them first.
    • Note: You do either one of these- whichever comes first in a left to right line.
  20. Explain the M and D in PEMDAS
    • M=multiplication- once all exponents and parenthesis are out, look for it as well as...
    • D=division
    • Note: You do either one of these- whichever comes first in a left to right line.
  21. Explain the A and S in PEMDAS.
    • A=addition- once everything else is done, do whatever comes first- addition or...
    • S=subtraction
    • Note: You do either one of these- whichever comes first in a left to right line.
  22. Write the following decimals as a fraction or mixed number. (Simplest form please)
    0.23, 5.95, 17.5, 89.34, 0.45
    • 23/100
    • 5 and 19/20
    • 17 and 1/2
    • 89 and 17/50
    • 9/20
  23. When dividing fraction, which number do you flip- the first or the second?
    The second
  24. Write this mixed number as a fraction-5/8.
    0.625

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