WORKSHEET - 1
CLASS - VII
MATHEMATICS
INTEGERS
1.
Find the value of (5)  (4)  (3)  (2)  (1)
(a) – 14
2.
(b) – 15
(d) – 12
(b) – 1
(c) – 2
(d) 1
(b) – 50
(c) 0
(d) – 10
Find the value of 100 – 1 – 99
Simplify: – 100 + 48 + 2
(a) 50
5.
(c) – 9
(b) – 10
(a) 0
4.
(d) – 17
Find the value of (–25) + 13 + 1
(a) – 11
3.
(c) – 16
There are exactly 5 prime numbers between 2000 and 2030. Note 2021 = 43 × 47 is not prime number.
The difference between the largest and the smallest among these is
(a) 16
6.
Find the value of
(a) – 200
11.
(b) – 12
(c) – 11
(d) – 6
(b) 10
(c) 9
(d) 8
(b) 16
(c) 3
(d) – 3
(c) 200
(d) 0
(2)  (2)  ...(2)
100 times
(b) 100
(b) 78
(c) –79
(d) 80
What should be subtracted from – 9876 to obtain –9512?
(a) –363
13.
(d) – 20
What is the value of (22)  [( 23)  (17)  (61)]
(a) –77
12.
(c) – 10
Simplify: 2(5  2)  3(2  5)
(a) 15
10.
(b) – 30
Simplify: [5  {28  (29  7)}]
(a) 11
9.
(d) 26
The difference of an integer P and (–7) is 5. Find the value of P?
(a) – 2
8.
(c) 24
The sum of two integers is – 15. If one of them – 5. Find the other
(a) – 5
7.
(b) 20
(b) 363
(c) –364
(d) 365
The temperature of a city is 4°C. Next day the temperature by falls by 5°C. What is the temperature of
the city next day?
(a) 1°C
14.
(c) 2°C
(d) 3°C
Sum of an integer and its additive inverse is ________.
(a) 0
15.
(b) –1°C
(b) 1
(c) 2
(d) 3
(c) 65
(d) 66
Sum of (–22) and (–44) is ________.
(a) 66
(b) –66
WS-2
16.
17.
Which property is reflected in this equation: 7 × 5 = 5 × 7
(a) Commutative property of multiplication
(b) commutative property of addition
(c) associative property of multiplication
(d) associative property of addition
Which of the following is different from the others?
(a) 20 + (–25)
18.
(d) 45  ( 9)
(b) 1377
(c) –1376
(d) 1376
(c) 22
(d) 23
Find the sum of –8, –23, –5, –8, 23
(a) 20
20.
(c) (–5) × (–1)
Add: (–2056) + 679
(a) –1377
19.
(b) (–37) – (–32)
(b) – 21
If a and b are two integers, then which of the following may not be an integer?
(a) a + b
(b) a – b
(d) a  b
(c) a × b
ANSWERS
1. (b)
6. (c)
11. (a)
16. (a)
2. (a)
7. (a)
12. (c)
17. (c)
3. (a)
8. (a)
13. (b)
18. (a)
4. (b)
9. (d)
14. (a)
19. (b)
5. (d)
10. (a)
15. (b)
20. (d)
WS-3