Monthly Archives: September 2009

Algebra: Chapter 2, Lesson 4, page 71. Subtraction of Rational Numbers Today, we are working on subtraction of rational numbers. Remember, just do the inverse of subtraction and ADD the inverse (or opposite) of the number to the other number. … Continue reading →

Algebra: Chapter 2, Lesson 3, page 63. Addition of Rational Numbers. Adding 2 positive or negative numbers Add the absolute values. The sum has the same sign as the 2 numbers. Adding a positive and a negative number Subtract the … Continue reading →

Algebra: CHAPTER 1 TEST TODAY! ———————————————- Algebra 1a: Chapter 1, Lesson 7, page 33. Solving Equations, An Introduction See Algebra Day 9 – September 4

Algebra: CHAPTER 1 Review Make sure that your notes are ready and organized for Monday’s Chapter 1 TEST! Algebra 1a: Chapter 1, Lesson 6, page 29. Writing Expressions See Algebra Day 8 – September 3

Algebra: Chapter 1, Lesson 10, page 44 Reasoning Strategies – or Try, Test and Revise UNDERSTAND the Problem Develop and carry out a PLAN Find the ANSWER and CHECK Strategies look like: Draw a diagram Make an Organized list Look … Continue reading →

Algebra: Chapter 1, Lesson 9, page 40. Using Formulas A formula is an equation that shows a relationship between 2 or more variables. The formula for the area of a rectangle is `a = l⋅w`. Given the length and width … Continue reading →

Algebra: Chapter 1, Lesson 8, page 38. Reasoning Strategies Reasoning Strategies to use: Phase 1: UNDERSTAND the problem What am I trying to find out? What data am I given? Have I ever solved a similar problem? Phase 2: Develop … Continue reading →

Algebra: Chapter 1, Lesson 7, page 33. Solving Equations, An Introduction An EQUATION is a mathematical sentence that uses the equal sign `=` to state that 2 expressions represent the same number or are equivalent. An equation that contains at … Continue reading →

Algebra: Chapter 1, Lesson 6, page 29. Writing Expressions “Many problems can be solved by translating data given with words into algebraic expressions. To do this, you must know which phrases suggest each of the operations (addition, subtraction, multiplication and … Continue reading →

Algebra 1: Today we had Quiz #1 and we continued Chapter 1, Lesson 5. Please see yesterday’s notes. Algebra 1a: See yesterday’s notes for Chapter 1, Lesson 3 on Exponents.