Mr. Black's Math Class » Algebra I http://rdblack2112.edublogs.org The fun of using blogs to help mathematics instruction Fri, 09 Jan 2009 02:33:16 +0000 http://wordpress.org/?v=2.8.2 en hourly 1 Agenda: January 7, 2008 http://rdblack2112.edublogs.org/2009/01/07/agenda-january-7-2008-2/ http://rdblack2112.edublogs.org/2009/01/07/agenda-january-7-2008-2/#comments Wed, 07 Jan 2009 11:00:22 +0000 rdblack2112 http://rdblack2112.edublogs.org/2009/01/07/agenda-january-7-2008-2/ EQ:  What is direct variation?

BR:  Find the slope of the line that passes through each of the following points.

  1. (7,4) and (-1,8)
  2. (1,1) and (4,-3)

Lesson:

  1. Discuss BR.
  2. Discuss Direct Variation.
  3. Finding the value of the direct variation.
  4. Writing a direct variation equation.

Assignment:
Algebra I Textbook: pp. 237 – 239 # 12 – 20 (only identify k and m), 23 – 31, 45 – 49 odd

]]> http://rdblack2112.edublogs.org/2009/01/07/agenda-january-7-2008-2/feed/ 0 Agenda: January 5 and 6, 2009 http://rdblack2112.edublogs.org/2009/01/05/agenda-january-5-and-6-2009/ http://rdblack2112.edublogs.org/2009/01/05/agenda-january-5-and-6-2009/#comments Mon, 05 Jan 2009 11:00:17 +0000 rdblack2112 http://rdblack2112.edublogs.org/2009/01/05/agenda-january-5-and-6-2009/ EQ: How do the properties of exponents help to simply evaluating exponential expressions?

Monday:

BR: Evaluate.

  1. clip_image002
  2. clip_image004

Tuesday:

BR: Quiz Retake

Lesson:

  1. Discuss BR.
  2. Review Properties of Exponents.
  3. Review Sheet.
  4. Retake Exponents Quiz.

Assignment:

Review Worksheet – Teacher Created

]]> http://rdblack2112.edublogs.org/2009/01/05/agenda-january-5-and-6-2009/feed/ 0 Agenda: December 18, 19, and 22, 2008 http://rdblack2112.edublogs.org/2008/12/18/agenda-december-18-19-and-22-2008/ http://rdblack2112.edublogs.org/2008/12/18/agenda-december-18-19-and-22-2008/#comments Thu, 18 Dec 2008 11:00:24 +0000 rdblack2112 http://rdblack2112.edublogs.org/2008/12/18/agenda-december-18-19-and-22-2008/ EQ: How do I use an input/output table to graph linear equations? What is slope?

Thursday
BR: Find the slope given the following points.

  1. (3, 5) and (2, 5)
  2. (0, 9) and (1, 0)

Friday

BR: Quiz

Monday:

BR: Finish Quiz, Finish Cross Word Puzzle

Lesson:

  1. Discuss BR.
  2. Review for quiz on graphing points, linear equations using an input/output table, and slope.
  3. Quiz (on Friday)
  4. Cross Word Puzzle on Vocabulary.

Assignment:

Quiz (on Friday)

]]> http://rdblack2112.edublogs.org/2008/12/18/agenda-december-18-19-and-22-2008/feed/ 0 Agenda: December 17, 2008 http://rdblack2112.edublogs.org/2008/12/17/agenda-december-17-2008/ http://rdblack2112.edublogs.org/2008/12/17/agenda-december-17-2008/#comments Wed, 17 Dec 2008 23:00:33 +0000 rdblack2112 http://rdblack2112.edublogs.org/2008/12/17/agenda-december-17-2008/ EQ: What is slope?

BR: Identify the x and y-coordinates of each ordered pair.

  1. (-3, 4)
  2. (0, -7)
  3. (5, 0)
  4. (-9, -2)

Lesson:

  1. Discuss BR.
  2. Discuss slope and its formula.
  3. Discuss finding slope using the formula.
  4. Discuss the four types of slope.
  5. Discuss finding a missing value for a coordinate if given one point and a slope.

Assignment:

pp. 230 – 233 #13 – 33 odd, 39 – 45 odd, 73 – 89

]]> http://rdblack2112.edublogs.org/2008/12/17/agenda-december-17-2008/feed/ 0 Agenda: December 15 and 16, 2008 http://rdblack2112.edublogs.org/2008/12/12/agenda-december-12-2008/ http://rdblack2112.edublogs.org/2008/12/12/agenda-december-12-2008/#comments Fri, 12 Dec 2008 11:00:16 +0000 rdblack2112 http://rdblack2112.edublogs.org/2008/12/12/agenda-december-12-2008/ EQ: How do I graph a linear equation using an input/output table?

BR: Rewrite each equation in function form by solving for y.

  1. 2x + y = 20
  2. 6x – 3y = -3

Lesson:

  1. Discuss BR.
  2. Discuss solution of an equation and graph of an equation.
  3. Discuss verifying solutions of an equation.
  4. Discuss graphing an equation using an input/output table.
  5. Discuss horizontal and vertical lines.
  6. Discuss graphing y = b equations.
  7. Discuss graphing x = a equations.

Assignment:
pp. 214 # 1 – 11 in class
pg. 214 – 217 # 13 – 35 odd, 37, 41, 45, 49, 52 – 55, 81 – 86

]]> http://rdblack2112.edublogs.org/2008/12/12/agenda-december-12-2008/feed/ 0 Agenda: December 11, 2008 http://rdblack2112.edublogs.org/2008/12/11/agenda-december-11-2008/ http://rdblack2112.edublogs.org/2008/12/11/agenda-december-11-2008/#comments Thu, 11 Dec 2008 11:00:46 +0000 rdblack2112 http://rdblack2112.edublogs.org/2008/12/11/agenda-december-11-2008/ EQ: How do I plot points in a coordinate plane?

BR: Use the formula clip_image002to find the following temperatures.

  1. What Celsius temperature is equivalent to 32°F?
  2. What Fahrenheit temperature is equivalent to 225°C?
  3. What Celsius temperature is equivalent to -40°F?

Lesson:

  1. Discuss BR.
  2. Discuss coordinate plane, ordered pair, y-coordinate, x-coordinate, and ordered pair.
  3. Discuss y-axis, x-axis, origin, and quadrants.
  4. Discuss plotting points in a coordinate plane.

Assignment:

pg. 206 #10 – 26

]]> http://rdblack2112.edublogs.org/2008/12/11/agenda-december-11-2008/feed/ 0 Agenda: December 9 and 10, 2008 http://rdblack2112.edublogs.org/2008/12/09/agenda-december-9-and-10-2008-2/ http://rdblack2112.edublogs.org/2008/12/09/agenda-december-9-and-10-2008-2/#comments Tue, 09 Dec 2008 11:00:12 +0000 rdblack2112 http://rdblack2112.edublogs.org/2008/12/09/agenda-december-9-and-10-2008-2/ EQ: What are exponents?

Tuesday:

BR: Write each of the following in scientific notation.

  1. 3,450,000,000,000
  2. 0.000000000123
  3. 21
  4. 23,450,000,000

Wednesday:
BR: Quiz

Lesson:

  1. Discuss BR.
  2. Review for Quiz (pp. 494 – 496 # 1 – 16, 21 – 32, 34 – 42)

Assignment:
pp. 494 – 496 #1 – 16, 21 – 32, 34 – 42 as review for quiz
Quiz

]]> http://rdblack2112.edublogs.org/2008/12/09/agenda-december-9-and-10-2008-2/feed/ 0 Agenda: December 8, 2008 http://rdblack2112.edublogs.org/2008/12/07/agenda-december-8-2008/ http://rdblack2112.edublogs.org/2008/12/07/agenda-december-8-2008/#comments Mon, 08 Dec 2008 02:25:33 +0000 rdblack2112 http://rdblack2112.edublogs.org/2008/12/07/agenda-december-8-2008/ EQ: What is scientific notation? How is it used to demonstrate real-life numbers?

BR: Evaluate each expression.

  1. 103
  2. 10-4
  3. 1002
  4. 10-8
  5. 1010

Lesson:

  1. Discuss BR.
  2. Discuss scientific notation.
  3. Discuss rewriting numbers in scientific notation in decimal form.
    1. 2.834 × 102
    2. 4.9 × 105
    3. 7.8 × 10-1
    4. 1.23 × 10-6
  4. Discuss rewriting numbers in decimal form in scientific notation.
    1. 34,690
    2. 1.78
    3. 0.039
    4. 0.000722
    5. 5,6000,000,000
  5. Discuss computing numbers with scientific notation.
    1. (1.4 × 104)(7.6 × 103)
    2. (1.2 × 10-1) ÷ (4.8 × 10-4)
    3. (4.0 × 10-2)3
  6. Discuss using a calculator and reading numbers in scientific notation.
    1. 0.000000748 × 2,400,000,000
    2. 0.0000943
  7. Discuss real-life situations using multiplication with scientific notation.
    How much water does the Amazon River discharge into the Atlantic Ocean each year if it contributes 4.2 × 106 cubic feet of water each second.
  8. Discuss real-life situations using division with scientific notation.
    In 1867, the United State purchased Alaska from Russia for $7.2 million. The total area of Alaska is about 3.78 × 108 acres. What was the price per acre?

Assignment:
pg. 473 # 1 – 15 (in class)
pp. 473 – 475 # 16 – 36, 37 – 51 odd, 53 – 57, 59 – 65 odd, 67 – 73 odd, 80 – 83

]]> http://rdblack2112.edublogs.org/2008/12/07/agenda-december-8-2008/feed/ 0 Agenda: December 4 and 5, 2008 http://rdblack2112.edublogs.org/2008/12/04/agenda-december-4-2008/ http://rdblack2112.edublogs.org/2008/12/04/agenda-december-4-2008/#comments Thu, 04 Dec 2008 11:00:07 +0000 rdblack2112 http://rdblack2112.edublogs.org/2008/12/04/agenda-december-4-2008/ EQ: How do I use the division properties of exponents to evaluate powers and simplify expressions?

BR: Simplify.

  1. 5-2
  2. (3w2)2
  3. (4vw3)2
  4. (2xy3)4(4×2y5)
  5. (-2r2s3)5

Lesson:

  1. Discuss BR.
  2. Discuss division properties of exponents.
  3. Discuss using the quotients of powers property.
  4. Discuss using the power of a quotient property.
  5. Discuss using the properties to simplify expressions.

Assignment:
pg. 466 # 1 – 18 (in class)
pg. 466 – 469 # 19 – 49 odd, 67 – 70

]]> http://rdblack2112.edublogs.org/2008/12/04/agenda-december-4-2008/feed/ 0 Agenda: December 3, 2008 http://rdblack2112.edublogs.org/2008/12/03/agenda-december-3-2008/ http://rdblack2112.edublogs.org/2008/12/03/agenda-december-3-2008/#comments Wed, 03 Dec 2008 11:00:01 +0000 rdblack2112 http://rdblack2112.edublogs.org/2008/12/03/agenda-december-3-2008/ EQ: How do I evaluate zero and negative exponents?

BR: Evaluate each expression.

  1. 42
  2. 2 • 1.052
  3. (-2)3
  4. 34 • 33
  5. clip_image002

Lesson:

  1. Discuss BR.
  2. Discuss negative and zero exponents.
  3. Discuss Powers with negative and zero exponents.
  4. Discuss simplifying exponential expressions.
  5. Discuss evaluating exponential expressions.

Assignment:
pg. 459 # 1 – 10 in class
pp. 459 – 462 # 15 – 45 odd, # 71 – 80

]]> http://rdblack2112.edublogs.org/2008/12/03/agenda-december-3-2008/feed/ 0