• Nov182009
    Squares of Binomials

    POSTED AT 10:45 AM

    We are continuing our study of polynomials this week.  We have begun factoring polynomials using distinct factoring patterns.  Please use the worksheets available in the classroom shelves for extra practice. 
     
    If you have not already memorized your squares, cubes, and 4th - 7th powers, you need to commit them to memory as soon as possible.
     
    Problem of The Day: I am thinking of four consecutive integers.  The sum of the squares of the second and third is 61. Find the integers. 
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    Nov022009
    Rate-Time -Distance Problems

    POSTED AT 10:49 AM

    Today we continue our study of uniform motion problems.  We are creating charts using the rate-time-distance formulas.  Remember to convert your minutes into hours, if necessary.
     
    Our chapter 4 exam is this Friday.
     
    Problem of The Day:
     
    A set of five non-negative integers has a mean of 5, a median of 6 and a mode of 7.  What is the smallest possible member of the set? 

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    Oct292009
    Transforming Formulas

    POSTED AT 11:20 AM

    Today we were challenged to use everything we know about arithmetic and algebra.  We transformed formulas with little or no constants and indicated restrictions, when necessary. Please remember to use all of the laws of exponents and show all of your work. 
     
    Don't forget to read tonight's assignment on Rate-Time-Distance problems!
     
    Problem of The Day:
     
    What is the value of 3x + 2y if x = 7 and y = 4?
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    Oct272009
    Multiplying Polynomials by Monomials

    POSTED AT 01:42 PM

    Today we put all of the prior lessons together to multiply polynomials by monomials.  Please remember to use all of the laws of exponents and show all of your work. 
     
    Don't forget to read tonight's assignment on polynomial multiplication!
     
    Problem of The Day:
     
    What are the coordinates of the midpoint of the segment from A(1,3) to B(5,13) on the Cartesian plane?


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    Oct262009
    Powers of Monomials

    POSTED AT 03:32 PM

    Today we learned two more Laws of Exponents; Power of a Power and Power of a Product.  You will be using all three laws in today's homework. 
     
    Problem of The Day:
     
    Twenty-five percent of what number is equal to 50% of 200?
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    Oct232009
    Multiplying Monomials

    POSTED AT 03:00 PM

    The packet on adding & subtracting polynomials is due next Friday, October 30th. All students need to do the first three pages, however, if you earned 75%-100% on Bellwork 4.2, you are excused from the last page.
     
    Today we used the Rule of Exponents for Products of Powers.  Remember that when you multiply two powers having the same base, you add the exponents.
     
    Problem of The Day:
     
    In an effort to reduce accidents, the highway authority decided to reduce the speed limit on the road from 65 mph to 50 mph. To travel 650 miles, how many more hours will it take a car averaging 50 mph than a car averaging 65 mph.  

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    Oct202009
    Exponents

    POSTED AT 02:00 PM

    Today we reviewed exponents and simplified expressions using exponents.
     
    You should have all of your powers memorized by now. We will be using them on a regular basis.
     
    Problem of The Day:
     
    At 10 am, a car dealer had 30 cars that were either red or blue. At 2 pm, after selling 2 red cars and no blue cars, the dealer had 3 times as many red cars as blue cars. How many red cars did the dealer have at 10 am?

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    Oct132009
    Cost, Income & Value Problems

    POSTED AT 11:33 AM

    Today we began solving word problems involving cost and value.  Remember to multiply the number of coins or tickets by the value of the coins or tickets to get the total cost or total value.  We will continue to use charts or drawings when shapes are involved.
     
    If you have questions on your Portfolio Project, now is the time to ask.  It is due Friday.
     
     
    Problem of The Day:
     
    Twenty-seven increased by twice a number is 39. What is the number?

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    Oct082009
    Equations With Variables on Both Sides

    POSTED AT 11:15 AM

    Congratulation to all of you!  You worked out some challenging word problems yesterday.  Remember to designate the unknowns and then apply the facts.  Today we solved equations with variables on both sides, and we continued our journey with word problems. 
     
    Problem of The Day:
     
    Four students (Joe, William, Clara and Joan) will stand in a line. If William and Joe must stand next to each other, and Clara must be first, in how many possible spots can Joan stand?

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    Oct062009
    Using Equations to Solve Problems

    POSTED AT 11:32 AM

    Today we began to use algebraic equations in one variable to solve word problems. Remember to label the facts and the unknowns in order to write an equation.  We will be using everything that we have practiced, so be prepared for any kind of equation. Use drawings when shapes are involved. When you are finished solving the equation, go back and read the problem and give the necessary information, including units.
     
    Problem of The Day:
     
    The length of the median of a trapezoid is equal to the average of the lengths of its two bases. Trapezoid ABCD has bases 17 and 45 units.  What is the length of its median?

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