#### Class 7 maths important question for chapter one in state board english medium syllabus

7th Standard EM

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Maths

Use blue pen only
Time : 00:20:00 Hrs
Total Marks : 20

Part - A

Answer each of the following questions

5 x 1 = 5
1. (-10)+(+7)=____

(a)

+3

(b)

-3

(c)

-17

(d)

+17

2. 20+(-9)+(9)

(a)

20

(b)

29

(c)

11

(d)

38

3. Which property is illustrated by the equation:(5×2)+(5×5)=5×(2+5)

(a)

commutative

(b)

closure

(c)

distributive

(d)

associative

4. Which of the following does not represent an Integer?

(a)

0÷(-7)

(b)

20÷(−4)

(c)

(-9)÷3

(d)

(12)÷5

5. (−16)÷4 is the same as

(a)

-(-16÷4)

(b)

−(16)÷(-4)

(c)

16÷(-4)

(d)

−4÷16

6. Part - B

Answer each of the following questions

5 x 1 = 5
7. Fill in the blanks
(i) -80$\times$__ =-80

()

1

8. ____$\times$ 75=0

()

0

9.  (−40) ÷____=40

()

-1

10. 20+80+___=0

()

-100

11. 75+(-25)=__

()

50

12. Part - C

Answer each of the following questions

5 x 1 = 5
13. (-675)-(-400)=-1075

(a) True
(b) False
14. (-15)×5=75

(a) True
(b) False
15. (-100)×0×20=0

(a) True
(b) False
16. (−64)÷(-64) IS 0

(a) True
(b) False
17. The sum of two integers can never be zero

(a) True
(b) False
18. Part - D

Answer each of the following questions

5 x 1 = 5
19. For any two integers 72 and 108, 72+108 is an also an integer

20. (1)

Commutative property under multiplication.

21. For any three integers 68, 25 and 99
68 × ( 25 + 99) = ( 68 × 25 ) + ( 68x 9

22. (2)

23. 0 + (−138) = (−138) = (−138)+0

24. (3)

25. For any two integers (−5) and 10
(−5) × 10 = 10 ×(−5)

26. (4)

Distributive property of multiplication over addition

27. 1 × (-1098) = (–1098) = (–1098) × 1

28. (5)

Multiplicative identity