Sunday, September 26, 2010

Week 6 Practice Problems

1. -10.08 + 3 =
2. 4 - 12.11 =
3. 34.62 + (-26.58)
4. Write 334,000 in Scientific Notation
5. What is the square root of 400?
6. 5/7 + 3/4 =
7. 7/8 - 1/4 =
8. -11/16 + 1/2 =
9. What are 2 key words we find in word
    problems often and what do they usually mean?
10. What must you find in order to add
      UNLIKE fractions?

1 comment:

  1. Ese
    1. -10.08+3= 10.08
    - 3.00
    -------
    7.08= (-7.08)answer.
    -------

    2. 4-12.11= 12.11
    -4.00
    --------
    8.11= (-8.11)answer.
    --------

    3. 34.62+(-26.58)=
    34.62-26.58= 34.62
    -26.58
    -------
    (8.04)answer.
    -------

    4. Write 334,000 in scientific notation
    334,000= (3.34*10(5)answer.

    5. What is the square root of 400
    square root of 400= (20)answer.

    6. 5/7 + 3/4= 5/7 * 4/4= 20/28
    3/4 * 7/7= 21/28
    20/28 + 21/28= 41/28= (1 13/28){one whole
    number 13 over 28}answer.

    7. 7/8 - 1/4= 7/8 * 1/1= 7/8
    1/4 * 2/2= 2/8
    7/8 - 2/8= (5/8)answer.

    8. -11/16 + 1/2= -11/16 * 1/1= -11/16
    1/2 * 8/8= 8/16
    -11/16 + 8/16= (-3/16)answer.

    9. {each which means divide}answer.
    {left which means subtract}answer.

    10. Find the {least common denominator}answer.

    ReplyDelete