1. INTEGERS
Write an integer to represent each situation:
1. 10ºC above 0ºC - 10
2. 30ºC below 0ºC - 30
3. Loss of 15 points - 15
4. Gain of 20 point + 20
5. 500 m under sea level - 500
6. 3000 m above sea level + 3.000
7. Deposit Rp 25.000 + 25.000
8. Withdraw Rp 5.000 - 5.000
9. Move 9 steps forward +9
10. Move 12 steps backward - 12

2. INTEGERS
Number line
Integers are the set of whole numbers and their opposite
Whole numbers greater than zero are called positive integer
Whole numbers less than zero are called negative integer
The integer zero is neutral. Neither positive nor negative

3. INTEGERS
Find the opposite of each integer
1. 5 -5
2. -19 +19
3. -100 +100
4. 44 -44
5. 12 -12
6. -½ +½

4. INTEGERS
Use number line to represent an integer
a. +7
+7
b. -5
-5

5. INTEGERS
+9
-6
+10
-14

6. INTEGERS
+10
-8

7. PRACTICE
Draw number line to represent each integer below
1. +6
2. -11
3. +18
4. -7
5. -15

8. COMPARE AND ORDER INTEGERS
smaller greater