Question

tomorrow is a test plz answer
questions
1. The smallest positive integer is…………………
2. Give the opposite of :
(a) increase in population ………………
(b) 300 BC ………………
3. Indicate the following by using integers.
(a) 5°C above zero ………………
(b) 500 Rupees profit ………………
(c) A loss of ₹ 300 ………………
4. Mention all integers lying between –4 and 2 ?
5. Represent –7, 10, 0, 4, –5 on the number line ?
6. Use the number line and add –3 and –8 ?
7. Compare the following:
(a) 0 ………..5 (b) 7 …………….. –17 (c) – 81 ……………….. 18
8. Write any 5 integers less than –12 ?
9. The successor of –100 is………………
10. Arrange 0, –3, 5, –7,1, –2 in Ascending order ?
Level 2 (Intermediate)
11. A car was driven 50 km due north of Delhi and then 70 km due south. How far from Delhi
was the car finally ?
12. Write the integer corresponding to each labeled point.

13. Discover an integer “a” such that a + (–4) = 0. ?
14. Find 1 – 2 + 3 – 4 + 5 – 6 + 7 – 8 + 9 – 10 + 11 – 12 + 13 – 14 + 15 –16 + 17 – 18 + 19 – 20
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15. Identify two integers whose sum is 2 and difference is 8 ?
16. Vinod chose a number that is smaller than –7, larger than –10 and is even. What number did
Vinod choose ?
17. The sum of two integers is 45. If one of the integers is –23, find the other ?
18. Which sum is not negative?
(a) –38 + (–24) (b) – 61 + 43 (c) – 53 + 72 (d) –25 + 0
19. Subtract the sum of –340 and 170 from –45.
20. Solve

Level 3 (Advanced)
21. Paper was invented in China about one thousand nine hundred years ago. Explain which
integer represents this date ? ( Hint : consider present year as “ 0 ” )
22. A driver is at a depth of 8 m below sea level and a balloon is at a height of 8 m above sea
level. Who is closer to sea level ?
23. Which set of integers is written in descending order ?
(a) 12, –12, –15, –18 (b) –8, –7, –6, –5 (c) 0, –6, –4, –2 (d) 4, –8, 10, –15
24. The following were the scores of Red House in five rounds of an Inter House Quiz
competition: –10, +5, –4, –3, + 15. Compile and find the final score ?
25. The construction dates of significant landmarks are given below. AD is represented by
positive integers and BC by negative integers

P

Answer 1

Answer:1) +1

2)a) decrease in population

b)300AD

3)a) +5

b)+500

c)-300

4)-3,-2,-1,0,1

5)

Step-by-step explanation: