Monthly Archives: September 2010

Algebra 1a: Chapter 2, Lesson 2, page 59. Rational Numbers “Any number that can be expressed as the ratio of two integers, `a/b`, is called a rational number. There is a point on the number line for every rational number. … Continue reading →

Algebra 1a: Chapter 2, Lesson 1, page 54. Integers and Rational Numbers Integers consist of the whole numbers and their opposites. On the number line, the positive integers are to the right of `0` and the negative integers are to … Continue reading →

Algebra 1a: Benchmark #1 TODAY!

Algebra 1a: Chapter 1 Review Thursday, EVEN problems and ODD problems Friday for homework. Make sure your notes are ready for Monday’s Chapter 1 BENCHMARK TEST! Bring your calculator!!

Algebra 1a: 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 … Continue reading →

Algebra 1a: 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: Area `a = l ⋅ w` Given … Continue reading →

Algebra 1a: 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: … Continue reading →

Algebra 1a: 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 … Continue reading →

Algebra 1a: 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 … Continue reading →

Algebra 1a: Chapter 1, Lesson 5, page 24. Distributive Property of Mutiplication over Addition The distributive property of mulitplication over addition is written as `a(b+c)=ab+ac`. For example: `3(x+2)=3x+6` The opposite of distribution is factoring where we go backward. For example: … Continue reading →