1. Integers

2. Integers on a Number Line

3. Integers on a Number Line
Draw a number line (straight line with arrows at both ends)
Put zero in the middle
Numbers to the right of zero are positive numbers
Numbers to the left of zero are negative numbers (the number right next to 0 is -1, then write to the left by increasing the number)

4. Integers on a Number Line
Numbers to the left of 0 are negative (the numbers themselves increase, but their value decreases)
Numbers to the right of 0 are positive (the numbers themselves increase, and their value increases also)

5. “When am I ever going to use this?”
Real life examples
Temperature
Below and above 0 temperatures
Money
Making or losing money
Real life examples
Football
Gaining and losing yards
Above or below sea level (mountains, water)
Diving in water
Climbing a mountain
Going in a hot air balloon, or on a plane

6. Word problems Key words to for Below ground level = subtracting
Above ground level = adding
Goes up = adding
Goes down = subtracting
Per = multiply
Increase = adding
Decrease = subtracting
Rise = adding
Lost = subtracting
Gain = adding
Loss = subtracting