Integer
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The document discusses integers and how to represent situations using positive and negative integers. It defines integers as whole numbers and their opposites, with positive integers being whole numbers greater than zero and negative integers being whole numbers less than zero. It provides examples of using integers to represent temperatures, elevations, financial transactions, and distances moved. It also covers finding the opposite of integers, representing integers on a number line, and drawing number lines to represent given integers.
Integer
- 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