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Integers

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Activity 1

Each group will be asked to

say a word (situation,

adjectives and others.) In

response, the other group

shall say the opposite of the

word said by the precedinggroup.

OPPOSITE THROWING

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Activity 2Given Situation Representation Opposite of the

given situation

Representation of

the opposite1. Going up the stairs 7

steps+ 7 Going down the

stairs 7 steps- 7

2. Driving 16 km west

3. A deposit of P 1000

4. 32 C above

freezing point

5. 30000 ft. above sealevel

6. Merit of10 points

7. An increase of P 100in your allowance

8. Increased by 38

9. Win by P 1 500

10. A gain of 82 points

OPPOSITE REPRESENTATION

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Definition

Left

Right

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Although only a portion of the

number line is shown, the

arrowheads indicate that the lineand the set of numbers continue

The integer zero is neutral. It is

neither positive nor negative.

If a certain number does not have

any sign, then it is understood to

be positive.

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The set of numbers used on the

number line is called the set of

integers This set can be written

{, -3, -2, -1, 0, 1, 2, 3, }

The number line is made up of 3

sets of numbers

Natural numbers 1, 2, 3, 4,

Whole numbers0,1, 3,

4,

Integers , -2, -1, 0, 1, 2,

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We can use a Venn Diagram to

represent thee 3 sets of numbersand their relationship to one

another

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DO YOU UNDERSTAND?

Answer the following.

1. On the number line, what integer is 4 units to

the left of 0? ___

2. On the number line, what integer is 3 units tothe right of 2? ___

3. What two numbers in the number line are a

dis

tanc

e of 4un

its

aw

ay from

5? ____ & _____4. Which number iscloser to 5 on the number

line, 2 or -8? ____

5. Does every integer have an opposite?

-8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8

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DO YOU KNOW HOW?

Graph the number 6 and 2 on a number line. Use the

graph to explainwhy 6 is less than 2 and to explain

why 2 is greater than -6.

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1) Due north _________

2) Up _________

3) Gain _________

4) Income _________

5) Deposit _________

6) Elevation _________

7) Sunrise _________

8) Clockwise _________

9) Accelerating _________

10) Underweight __________ 10

Find the opposite of each term real life situation.

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Represent each of these situations with a signednumber.

1. 3 steps to the left __________

2. 20 meters above sea level __________

3. 30 degrees below 0 __________

4. Spending P 15.00 in snacks __________

5. 25 minutes late __________

6. Salary increase of P 200.00 __________

7. 13 point less __________ 8. Increase by 2 points __________

9. A profit of P 20000.00 __________

10. Gained 25 points __________ 11

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Name the coordinates of each point.

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1. F ______

2. H ______

3. D ______

4. C ______ 5. A ______

-11 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10 11 12

A B C D E F G H I J K L

6. L ______ 7. B ______

8. I ______

9. K ______

10. E ______

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Insert >, < or = on the blanks.

1. - 5 _____ 5 6. -8 _____ 3

2. 0 _____ - 1 7. 3 _____ 43. -1 _____ 1 8. 4 _____ - 9

4. - 4 _____ 4 9. 3 _____ -3

5. - 2 _____ 8 10. - 7 _____ 2

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