Category Archives: Algebra 1a

Algebra 1a: Chapter 4, Lesson 3, page 180. The Multiplication Property of Inequalities The property states if c is POSITIVE if `a<b`, then `ac<bc` and if `a>b`, then `ac>bc` Where c is NEGATIVE if `a<b`, then `ac>bc` and if `a>b`, … Continue reading →

Algebra 1a: Chapter 4, Lesson 2, page 175. The Addition Property of Inequalities Don’t forget, the equations: if `a<b`, then `a+c<b+c` if `a>b`, then `a+c>b+c` and similar statements are true for ≤ and ≥ For inequality of one step, follow … Continue reading →

Algebra 1a: Chapter 4, Lesson 1, page 172. Inequalities and Their Graphs Symbols: `<`, is less than `≤`, is less than or equal to `>`, is greater than `≥`, is greater than or equal to Open or closed circles on … Continue reading →

Algebra 1a BENCHMARK #3

Algebra 1a: Chapter 1, 2 and 3 Review Benchmark #3 Preparation Chapter Assessment, page 168-169, problems 1-37 ALL Evening tutoring will be on tonight and tormorrow (Wednesday) of this week in preparation for the Chapter 1 through 3 BENCHMARK #3! … Continue reading →

Algebra 1a: Chapter 3 Review Skills Practice 8 and 9, pages 16 and 17. Evening tutoring will be on Tuesday and Wednesday of this week in preparation for the Chapter 1 through 3 BENCHMARK #3! Make sure that your notes … Continue reading →

Algebra 1a: Chapter 3, Lesson 11, page 158. More Expressions and Equations Remember, the sum of an integer and the next integer can be represented by `x` and `(x+1)` or `x+(x+1)` or `2x+1`. For three consecutive integers, we have `x … Continue reading →

Algebra 1a: Chapter 3, Lesson 10, page 152. Using Percent The ratio of numbers to 100 is called percent. Percent means “per one hundred”. We use whickity-whack divide, the method that Ms. Phillips taught us in 7th grade. Here is … Continue reading →

Algebra 1a: Chapter 3, Lesson 9, page 148. Proportions A ratio of 2 quantities is a comparison, often expressed as a fraction. An equation that states that 2 ratios are equal is called a proportion. I prefer to just criss-cross, … Continue reading →

Algebra 1a: Chapter 3, Lesson 8, page 145. Solving Equations Involving Absolute Value The absolute value of a number, `|x|` is its distance from zero on the number line. Remember that the absolute value is always positive. Treat absolute value … Continue reading →