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INTEGERS #4
1. At midday of June the temperature was 27 0C . Two hours later it was 5 0C warmer. What
was the temperature then ?
2. At midnight of january the temperature was -2 0C . Two hours later it was 3 0C colder.
What was the temperature then ?
In questions 3 to 8 use positive or negative numbers to describe the given quantities.
3. A soccer ball thrown down a distance of
45 cm
4. 5 minutes before the bus leaves the station.
5. 8 minutes after the plane takes off the air port.
6. Walking backward
three paces.
7. The top of peak of selvili is 1023m above sea level.
8. Walking forward seven paces.
9. At midnight the temperature was -4 0C. Four hours later it was 5 0C warmer.
What was the temperature then ?
10. Find all integers having absolute values less than or equal to 3 ?
11.
In a certain addition operation what number must be added
as (+5)
Minuend
to (-9) to get the result
- subtrahend = difference
Minuend = difference + subtrahend
Subtrahend = Minuend
- difference
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12. In a certain subtraction operation the difference is (+12) and minuend is (-9). Find the
subtrahend.
13. In a certain subtraction operation the difference is (-8) and minuend is (+98). Find the
subtrahend.
14. In a subtraction operation, the minuend is (+25) and the difference is (-4). Find the subtrahend.
15. What number must be subtracted from (-8) to get the result as the smallest natural number?
16. Simplify
17. Simplify
- 3 + 12 : 4 x 3 – 2 – 22 = ?
4  (3) x (9)  7 ?
18. Simplify (4) x(5)  (20) : 4  (6)  ?
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