Category Archives: Pre-Algebra

Pre-Algebra: Chapter 2-5 Today, we are working on subtraction of rationale numbers. Remember, just do the inverse of subtraction and ADD the inverse (or opposite) of the number to the other number. Examples: A) -5 – 7 is really -5 … Continue reading →

Pre-Algebra: Chapter 2-4 Adding Integers The easiest way to remember things: adding 2 positive numbers = a positive number adding 2 negative numbers = a negative number adding a positive and negative number, just subtract the numbers and use the … Continue reading →

Pre-Algebra: Chapter 2-3 Comparing and ordering on number line The number line (really just the x axis) runs from negative infinity to positive infinity. The 0 point defines points to the left as negative and points to the right as … Continue reading →

Pre-Algebra: Chapter 2-2 Coordinate systems are today’s agenda. First, we plot the x and then the y axes values. Where the 2 axes intersect is at (0,0) or the ORIGIN. The x axis goes left to right or right to … Continue reading →

Pre-Algebra: Chapter 2-1 Yesterday, Tuesday, September 19. The absolute value of a number is the number’s distance from the 0 on the number line. Absolute value is denoted by these | -4| vertical bars. So, the |-4| = 4 units … Continue reading →

Per-Algebra Chapter 1 TEST today and NO HOMEWORK! Algebra Chapter 1 TEST today and NO HOMEWORK too!

Oops, I forgot until Monday, kinda busy getting ready to move someone to UCSC … Pre-Algebra: Chapters 1-9 and 1-10 On Tuesday (day 10) and Wednesday (day 11), we spread out Lesson 9 over 2 days. The quiz on Tuesday … Continue reading →

Pre-Algebra: Chapter 1-8 We finished our discussion about the x and y axes, plotting (x, y)coordinates, remember x is ALWAYS first and the four quadrants: I (x and y coordinates are positive), II (x is negative and y is positive), … Continue reading →

Pre-Algebra: Chapter 1-7 We went over Quiz A for Chapter 1 in class. We will all slow down and check our work next time. We made simple mistakes! Ordered pairs was our lesson today. We talked about the x and … Continue reading →

Pre-Algebra: Chapter 1-6 Notebook check on Friday! Our first quiz was today and it covered Chapter 1, Lessons 1 through 3. We need practice in order of operations, PEMDAS. Students forgot what order to do things in. We talked about … Continue reading →