Integers SOL 6.3 by Kathy Woodard

6.3 The student will a) identify and represent integers; b) order and compare integers; and c) identify and describe absolute value of integers.

Above Sea Level Below Sea Level Image from http://www.buzzhawaii.com/Tropical_Ocean_Fun_Cruise_-_Oahu

How Many Feet Above Sea Level? Richmond Mt. Rogers +166 ft +5,729 ft http://geology.com/state-map/virginia.shtml

Put the Data on a Spreadsheet For each red dash enter the feet above sea level, and make a bar graph of the data to see a side view of VA!

How Many Feet Below Sea Level? 650 ft

Positive Numbers Negative Numbers Sea Level Negative Numbers Image from http://www.buzzhawaii.com/Tropical_Ocean_Fun_Cruise_-_Oahu

Google Earth Map Feet below sea level Negative Feet above sea level Positive Feet below sea level Negative

Positive numbers Negative numbers Graph of Feet Above or Below Sea Level for Virginia from Mountains to Atlantic Ocean Floor Positive numbers Negative numbers

Integers: whole numbers, their negative opposites, and zero Zero Negative numbers Positive numbers

Opposite of an Integer Show Me the Math Find the opposite of a given integer. http://www.showmethemath.com/Concepts_Explained/oppositeNumbers.html

Find the Value of a Point K A T H Y K = A= T= H= Y=

How can you tell which integer is greater? Put them on a number line! Comparing Integers How can you tell which integer is greater? Put them on a number line! Smaller <-------- ---------> Bigger

Practice Compare the integers by writing < or > 6 -6 0 -10 5 7 6 -6 0 -10 5 7 5 -7 1 -8

Practice Compare the integers by writing < or > 6 > -6 6 > -6 0 > -10 5 < 7 5 > -7 1 > -8

Real Life Integers http://www.mathgoodies.com/lessons/vol5/compare_order.html

Compare Integers XP Math Practice comparing integers. http://www.xpmath.com/forums/arcade.php?do=play&gameid=61

Absolute Value Show Me the Math Good visualization of absolute value in an interactive applet. http://www.showmethemath.com/Concepts_Explained/absoluteValue.html

BrainPop Absolute Value http://www.brainpop.com/math/numbersandoperations/absolutevalue/preview.weml

Graph Integers & Absolute Value Explore Learning Plot 4 integers on a number line and then click to show their opposites and absolute values. http://www.explorelearning.com choose Comparing and Ordering Integers

1. Place the following points on a number line: Z: 4 M: -7 W: -10 T: 0 2. Write >, =, or < to compare the integers: 1 -1 3. Write >, =, or < to compare the integers: 3 -5 4. What is the opposite of 7? 5. Which of these are integers? ½ 0 -300 4.75 27 6. What is the absolute value of -25 ? 7. 8.

07 SOL 6.5*

06 SOL 6.5*

07 SOL 6.5*

08 SOL 6.5