Monthly Archives: January 2008

Algebra: Midterm Review We went over the midterm review problems last Wednesday, January 23 in class. The midterm begins tomorrow, Wednesday and Thursday, January 30 and 31. Be ready! Math-8: Chapter 6-6, p 301 Measures of Central Tendency Last Wednesday, … Continue reading →

Algebra: Midterm Review packet Worked on all review packet problems in class today. Bring questions tomorrow and we continue working as well. Math-8: Chapter 6, Quiz A/B Finish Chapter 6, Lesson 6 and the Quiz A/B for all those not … Continue reading →

Algebra: Chapter 8 TEST! Math-8: Chapter 6-5, p 295 Multiplying and Dividing Decimals You can multiply in the same way that you multiply whole numbers. It is helpful to use estimation to verify the placement of the decimal point. To … Continue reading →

Algebra: Chapter 8 Review Test tomorrow! Math-8, Chapter 6-4, p 289 Dividing Fractions Two numbers whose product is `1` are multiplicative inverses or RECIPROCALS of each other. So `2` and `1/2` are reciprocals. In symbols, for a fraction `a/b`,  and … Continue reading →

Algebra: Chapter 8-5, p 380 Motion Problems Today we worked on  problems 3, 5, 7, 9, 11 and 13. We did these in class and 2 of these types will be on the Chapter 8 test and the ALGEBRA MIDTERM … Continue reading →

Algebra: Chapter 8-5, p 380 Motion Problems Yuck – DRT problems, distance, rate and time. Rate is another word for speed or velocity. You have a rate meter in your car, its called the speedometer. These problems are best outlined … Continue reading →

Day 68 Algebra: Chapter 8-3 and 8-4 Review, pages 367 and 373 (Monday, January 14) We reviewed all the homework problems from Chapter 8-3 and 8-4. Today was a day to ask questions and to make sure that we know … Continue reading →

Algebra: Chapter 8-3, p 367 The Addition Method Another technique to solve systems of equations is the Addition (or Subtraction) Method. In this approach, line up (vertically) both equations and see if you can eliminate one of the variables (x … Continue reading →

Algebra: Chapter 8-2, p 362 The Substitution Method You can solve a system of equations by substituting for a variable. If there are 2 equations, `x + y = 6` and `x = y + 2` then using the information … Continue reading →

Algebra: Chapter 8-1, p 358 Solving Systems of Equations by Graphing A set of equations for which a common solution is called a “system of equations”. A “solution” of a system of 2 equations in 2 variables is an ordered … Continue reading →