integer power point 3

8/7/2019 Integer Power Point 3

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Numbers and Real Life


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What do the following photos

have in common?


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Desert to Mountains

Death Valley, California

Elevation: 282 ft below sea level

Mount McKinley, Alaska

Elevation: 20,320 feet above sea level


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Below Freezing to Above Freezing


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Losing to Gaining Yards


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Debt to Income Levels

Allowance


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They all have


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Activity-What Are Integers?

1. What integer is nether positive or negative?

2. If a quarterback is sacked for a ten-yard loss, how would that be shown?

3. If you had $8 in your bank account and deposited $12 more, how much do

you now have in the account?

4. If the temperature is -2rF and drops four degrees, what is thetemperature now?

5. What number is opposite of 32?

6. An ocean is one mile deep. The distance from the bottom of the ocean to

the top of a mountain is six miles. How tall is the mountain?

7. If you shoot a round of 44 at a par 36 miniature golf course, how much are

you over par?

8. If +1 represents gaining a pound, what represents losing a pound?


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Integers

Definition

Example Non-Example


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Making an Integer Number Line

Using construction paper, make an integer

number line

Draw a number line, with

arrows. Make tick marks, 1 cm apart.

Number from -23 to +23.


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Integer Tower Game

Place a file folder between you and your partners game sheets.

Write two different integers from -50 to +50 in the Round 1 boxes. The smaller

number should be written in the first box!

Player 1 begins by asking one yes or no question about Player 2s numbers, such

as:

Is your first number less than 0?

Are both of your numbers positive?

Is your second number greater than 25?

Player 1 jots notes to help identify Player 2s numbers.

Player 2 takes a turn in the same manner.

Round 1 continues until a player has correctly determined both ofhis opponents

numbers. That player wins the round and makes a tally mark under his name.

The remaining rounds are played in the same manner. In each round, numbers

must be written in the boxes in least-to-greatest order, left to right.

The player who wins more rounds is declared the winner.


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An Integer is

Awhole number with no fractional parts.

There are POSITIVE INTEGERS : all whole numbers greater than 0.

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, and so on.

There are NEGATIVE INTEGERS: all whole numbers less than 0.

-1, -2, -3, -4, -5, -6, -7, -8, -9, -10, and so on.

Negative integers are considered OPPOSTIES of positive integers.

The opposite of 5 is -5.

Zero is neither positive nor negative.


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Integers

Definition

Example Non-Example


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Integers

The Integer

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