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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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