Oral question for Class VII

ORAL QUESTIONS

CLASS VII  

Q1.      What are integers ?

Q2.      When we add a positive integer , to which side on the number line should we move?

Q3.      When we add a negative integer , to which side on the number line should we move?

Q4.      When we subtract a positive integer , to which side on the number line should we move?

Q5.      When we subtract a negative integer , to which side on the number line should we move?

Q6.      What will be the sum of two positive integers . positive or negative ?

Q7.      What will be the sum of two negative  integers . positive or negative?

Q8.      How do we find the  additive inverse of an integer?

Q9.      Are integers closed under addition?

Q10.    Are integers closed under subtraction ?

Q11.    Are integers closed under multiplication?

Q12.    Are integers closed under division?

Q13.    Which integer is the additive identity?

Q14.    Which integer is the multiplicative  identity?

Q15.    Are integers commutative under addition?

ANSWERS:

1	Whole numbers and their negatives
2	Right side
3	Left side
4	Left side
5	Right side
6	Positive
7	Negative
8	Same numerical  value with opposite sign
9	Yes
10	Yes
11	Yes
12	No, e.g. division by zero is not defined
13	0
14	1
15	Yes

  

Practice MCQ for class VII ( Integers)

Q 1 The additive inverse of – 11 is:

(a) 1\11 (b) 11 (c) -1/11 (d) 1

Q 2 Sum of integers is always:

(a) positive ( b) negative (c) 0 (d) 1

Q 3 Which of the following statements is false?

(a) -7 +(-6) = -13 (b) - 5 +1 = 4 (c) 2 + (-1) = 1 (d ) 8 + (-9) =-1

Q 4 Sum of (- 19 ) and (-21) is:

            (a) -40 ( b) 40 (c) 2 (d) -2

Q5. What does the shaded region represent ?

(a) ¼  (b) 2/4 (c) ¾ (d) 4/3

Q6. The range of the data 1,2,2,2,7,5,9,3 is:

            (a) 1 ( b) 9 (c) 8 (d) 2

Q7. If x+3 = 0 , then x is equal to:

           (a) 3 ( b) 0 (c)-3 (d) not defined

Q8. The complement of 47⁰ is:

(a) 3⁰ ( b) 133⁰ (c) 43⁰ (d) 53⁰

Q9. Which of the following are the possible sides of a triangle?

            (a) 2,3,5 ( b) 3,6,7 (c) 6,3,3 (d) 3,6,10

Q10. Value of ‘x’ in the following figure is

         (a) 50⁰ ( b) 80⁰ (c) 70⁰ (d) 290⁰

Q11. . Value of ‘x’ in the following figure is

(a) 70⁰ ( b) 20⁰ (c) 110⁰ (d) 30⁰

Q12. Sum of three times x and 11 is 32. Which of the following represent this statement

             (a) x + 3+ 11 = 32 (b) 3x +11= 32 (c) 3(x + 11) = 32 (d) x+11 = 32