Feb 2nd

Algebra I

Today we discussed
It appears that the class would benefit from another day with adding & subtracting more complicated rational expressions with unlike denominators.  We went over some of the homework and it was evident that everyone needs a little more practice.

Rational expressions just added another step.  Recalling that whenever we add any types of fractions, rational expressions included, we must have a common denominator.  We'll use our knowledge of factoring and GCF to build common denominators so we can combine these rational numbers.

Sections Covered in Textbook
1) 8-7: Rationals Expressions with Unlike Denominators (pages 329-333)

Video Tutorials
1)  Adding and Subtracting Rational Expressions with Different Denominators
http://www.virtualnerd.com/algebra-1/rational-expressions-functions/add-subtract/add-subtract-unlike-denominators/different-denominators-add-example

Assignments
1) Review your Mid-Chapter Quiz on Page 325.  Look over the solutions (click here) to see if you have any questions.
2)  Worksheet 8-7 #'s 1-14 all.
Download Worksheet & Answers Here!  Please check your answers and come to class prepared to work out any problems with which you had trouble.

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Pre-Algebra

Today we discussed
Today we learned what scientific notation is and how it's used.  We learned how to convert scientific notation into standard form and vice versa.  Remember, scientific notation is just a set of rules to apply to very large and very small numbers.  You must have a number that is at least 1 and less than 10 multiplied by a power of ten.  Don't let negative exponents scare you - they represent very small, decimal numbers.

Sections Covered in Textbook
1)  6-11: Scientific Notation (pages 237-239)

Video Tutorials
1) What is Scientific Notation
http://www.virtualnerd.com/algebra-2/polynomials/exponents-monomials/scientific-notation/scientific-notation-definition
2)  Converting Scientific Notation to Standard Form
http://www.virtualnerd.com/algebra-2/polynomials/exponents-monomials/scientific-notation/decimal-to-scientific-notation-conversion
3)  Introduction to Scientific Notation
https://www.khanacademy.org/math/pre-algebra/pre-algebra-exponents-radicals/pre-algebra-scientific-notation/v/scientific-notation-old

Assignments
1) Page 329 #'s 11-30 all.
2) Please spend at least 15 minutes reviewing your multiplication facts on Quizlet!

**PLEASE CHECK ODD ANSWER IN BACK OF TEXTBOOK

January 26th

REMINDER!!!  **No Class on January 31st!!**

Algebra I

Today we discussed
Rational expressions just added another step.  Recalling that whenever we add any types of fractions, rational expressions included, we must have a common denominator.  We'll use our knowledge of factoring and GCF to build common denominators so we can combine these rational numbers.

Sections Covered in Textbook
1) 8-7: Rationals Expressions with Unlike Denominators (pages 329-333)

Video Tutorials
1)  Adding and Subtracting Rational Expressions with Different Denominators
http://www.virtualnerd.com/algebra-1/rational-expressions-functions/add-subtract/add-subtract-unlike-denominators/different-denominators-add-example

Assignments
1) Complete the mid-chapter review on Page 325 #'s 1-11.  Complete this activity by Tuesday, January 31st at 9:30 AM and turn in electronically to me.  I will correct them and we will discuss during Thursday's class.
2) Pages 332 #'s 13-39 odd

**PLEASE CHECK ODD ANSWER IN BACK OF TEXTBOOK

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Pre-Algebra

Today we discussed
Today we did a full review of adding, subtracting, multiplying and dividing rational numbers (fractions).  We focused on the key concepts needed to perform each operation for each type of problem.  Here is a handy summary:

Sections Covered in Textbook
1)  Today was a comprehensive review of fraction operations and we did not discuss any particular sections in the book.

Video Tutorials
Operations with Fractions.

• https://www.youtube.com/watch?v=-YMVu5nFvzc
• https://www.youtube.com/watch?v=WICowAtK9U0

Assignments
1) Complete the mid-chapter quiz on Page 227 #'s 1-9 all (skip 2 & 3).  Complete this activity by Tuesday, January 31st at 10:30 AM and turn in electronically to me.  I will correct them and we will discuss during Thursday's class.
2)  Multiplying and Dividing Fractions Worksheet.
Download Worksheet and Answers here.

**PLEASE CHECK ODD ANSWER IN BACK OF TEXTBOOK

Happy Tuesday! Topics for January 24th

Algebra I

Today we discussed
Today's discussion was about rational expressions with like denominators.  We are moving into adding and subtracting complicated rational numbers, which are handled just like fractions.  To be able to add the expressions together, just like with fractions, we must have a common denominator.  Keep in mind that when you subtract a rational expression, you must distribute the negative to all pieces of the subtrahend.  Also, as with "regular" fractions, you should make sure your answer is in simplest form.

Sections Covered in Textbook
1) 8-5: Rational Expressions with Like Denominators (pages 322-325)

Video Tutorials
1) Adding Rational Expressions with the Same Denominator
http://www.virtualnerd.com/algebra-1/rational-expressions-functions/add-subtract/add-subtract-like-denominators/same-denominator-addition-example

Assignments
1)  Page 324 #'s 13-43 odd; #34

**PLEASE CHECK ODD ANSWER IN BACK OF TEXTBOOK

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Pre-Algebra

Today we discussed
Our discussion of rational numbers moved on to long division of rationals.  Keep in mind that you must divide by a whole number so you might need to multiply the divisor and dividend by a power of 10 to make that happen.

Sections Covered in Textbook
1) 6-7: Rationals: Dividing Decimals

Video Tutorials
1) Long Division with Decimals

• https://www.youtube.com/watch?v=nfTTVYwN9tc
• http://www.mathplayground.com/howto_dividedecimals.html

Assignments
1) Pages 226-227 #'s 3-29 odd.

**PLEASE CHECK ODD ANSWER IN BACK OF TEXTBOOK

Back in the Swing... January 10th

Algebra I

Today we discussed
We reviewed our discussion of simplifying rational expressions.  We will use all factoring methods to try to simplify these expressions, including finding the Greatest Common Factor (GCF) or factoring other polynomials.  It's also important to recognize that some values will cause our expressions to be undefined, so we must name any excluded values.

Please review the chart on page 286 in your textbook for factoring options.

Sections Covered in Textbook
1) 8-1: Simplifying Rational Expressions (pages 306-310)

Video Tutorials
1)  Finding Excluded Values
http://www.virtualnerd.com/algebra-1/rational-expressions-functions/expressions/excluded-values/excluded-value-example
2)  Simplifying Rational Expressions

• https://www.youtube.com/watch?v=yfToPZqbvu4
• https://www.youtube.com/watch?v=ilXb80DGElk

Assignments
1)  Page 309 #'s 21-49 2nd column only!!!
2)  Exam corrections are due on Thursday!


**PLEASE CHECK ODD ANSWER IN BACK OF TEXTBOOK

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Pre-Algebra

Today we discussed
As we move on to multiplying rational numbers, today we needed to review changing fractions to mixed numbers and mixed numbers back to improper fractions.

Sections Covered in Textbook
This class discussion supplemented our discussion about multiplying fractions.  I felt it was necessary to review some older concepts that are not currently covered in the textbook.

A good online tutorial of how to convert mixed numbers to improper fractions and vice-versa can be found here:  http://www.mathsisfun.com/improper-fractions.html

Video Tutorials
1)  Converting Improper Fraction to a Mixed Number
http://www.virtualnerd.com/middle-math/number-theory-fractions/mixed-numbers-improper-fractions/improper-to-mixed-fraction-conversion
2)  Converting Mixed Numbers into Improper Fractions
http://www.virtualnerd.com/middle-math/number-theory-fractions/mixed-numbers-improper-fractions/mixed-to-improper-fraction-conversion

Assignments
1)  Practice Worksheet on Mixed Numbers and Improper Fractions.
Download Worksheet here. 
2)  Spend at least 15 minutes reviewing your multiplication facts on Quizlet!