ORAL QUESTIONS
CLASS VII
TOPIC: INTEGERS
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?
Q16. Are integers commutative under subtraction ?
Q17. Are integers commutative under multiplication?
Q18. Are integers commutative under division?
Q19. What is the product of two negative integers : Positive or negative ?
Q20. What is the quotient of two negative integers : Positive or negative ?
Q21. What do you mean by absolute value ?
Q22. What is the result of divisibility of an integer by zero?
Q23. What is the result of divisibility of zero by an integer?
Q24.
If 2 + 5 = 5 + 2, name the property used.
Q 25. What is the sum of 12 and -10 ?
Q 26. What is sum of -3 and -7 ?
ENRICHMENT MATERIAL (MATHEMATICS ORALS)
Page 1 of 21
Q27. What is the sum of -20 and 17 ?
Q 28 . What is 5 X ( -3) equal to ?
Q 29 . What is ( -10) X ( -6) equal to ?
Q 30 . What is (-20) X 15 equal to ?
Q 31. What is the product of (-3) and 0 ?
Q 32 . What is the opposite of – 31 ?
Q 33 . What is the absolute value of – 23 ?
Q 34 . What is the sum of -10 and 10 ?
Q 35. What is the product of of -3 ,-2 and 5 ?
Q 36. What is the value of : 10 X -5 X 0 ?
Q 37. What is the value of -18 ÷ 9 ?
Q38. What is the value of 0 ÷10 ?
Q 39 . Is 7 – 2 = 2 – 7 ?
Q 40 . Tell the multiplicative inverse of 7 ?
ENRICHMENT MATERIAL (MATHEMATICS ORALS)
Page 2 of 21
ANSWER KEY
Q.
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Answer
Q.
No.
their 21
Whole numbers and
negatives
Right side
Left side
Left side
Right side
Positive
Negative
Same numerical
value with
opposite sign
Yes
Yes
Yes
No, e.g. division by zero is not
defined
0
1
Yes
No
Yes
No
Positive
Positive
ENRICHMENT MATERIAL (MATHEMATICS ORALS)
Answer
22
23
24
25
26
27
28
It is the distance of an integer from
zero
Not defined
Zero
Commutative
2
- 10
-3
-15
29
30
31
32
60
-300
0
31
33
34
35
36
37
38
39
40
23
0
30
0
-2
0
no
Page 3 of 21
ORAL QUESTIONS
CLASS VII
TOPIC: FRACTION AND DECIMALS
1.
What is the fraction?
2.
The upper part of the fraction is called --------
3.
The lower part of the fraction is called --------
4.
What is the denominator in
5.
What is the numerator in
6.
What is the proper fraction?
7.
What is an improper fraction?
8.
7
is proper or improper fraction?
4
9.
3
is proper or improper fraction?
8
10.
What is a mixed fraction ?
11.
Can we write
12.
Give one example of proper fraction ?
13.
Give one example of improper fraction ?
14.
The equivalent fraction of
15.
Give one example of equivalent fraction?
16.
Which is greater
2
3
or ?
7
7
17.
Which is smaller
5
5
or ?
3
2
18.
1
3
4
5
6
3
as mixed fraction?
8
4
is ---------5
2
can be written in improper fraction as--------3
ENRICHMENT MATERIAL (MATHEMATICS ORALS)
Page 4 of 21
19.
Give one example of like fraction
20.
Give one example of unlike fraction
21.
What is the reciprocal of
22.
What is the reciprocal of 2
23.
What is the place value of 2 in10.25
24.
What is the place value of 7 in 11.527
25.
Which one is greater between 0.5 and 0.05
26.
Which one is smaller between 0.7 and 7
27.
What is the value of
28.
Write a proper fraction with denominator 5
29.
Write a proper fraction with numerator 7
30.
Write an improper fraction with denominator 3
31.
Write an improper fraction with numerator 4
32.
By what value
2
is to be multiplied so that numerator become 6
7
33.
By what value
3
is to be multiplied so that numerator become 30
8
34.
By what value
5
is to be multiplied so that denominator become 12
3
35.
By what value
7
is to be multiplied so that denominator become 72
12
36.
What is the value of
37.
Give one example of mixed fraction
38.
The reciprocal of
39.
Which one is greater Rs 7.70 or Rs 7.07
40.
Which one is more 0.330 Kg or 0.303 Kg
1
10
2
7
1
10
1
2
1
is
3
ENRICHMENT MATERIAL (MATHEMATICS ORALS)
Page 5 of 21
ANSWER KEY
1. Fraction is a number which represent a part of a whole.
2. Numerator
3. Denominator
4. 4
5. 5
6. A fraction in which the denominator is greater than numerator is called a proper
fraction.
7. A fraction in which the numerator is greater than denominator is called an
improper fraction.
8. Improper fraction.
9. Proper fraction.
10. A fraction which consists of a whole and a part.
11. No
12. Proper fraction is ¾ .
13. 7/5 is an improper fraction.
14. 8/10
15. ½ and 2/4 are equivalent fractions.
16. 3/7
17. 5/2
18. 5/3
19. 5/13 and 7/13
20. 7/15 and 8/13
21. 7/2
22. ½
23. Tenth
24. Thousandth
25. 0.5
26. 0.7
ENRICHMENT MATERIAL (MATHEMATICS ORALS)
Page 6 of 21
27. 0.01
28. 2/5
29. 7/9
30. 5/3
31. 4/3
32. 3/3
33. 10/10
34. 4
35. 6
36. 0
37. 1 2/3
38. 3
39. 7.70
40. 0.330kg
ENRICHMENT MATERIAL (MATHEMATICS ORALS)
Page 7 of 21
ORAL QUESTIONS
CLASS VII
TOPIC: DATA HANDLING
Q1
What is the formula to find out the mean or arithmetic mean ?
Q2
What is mode ?
Q3
Can a data have more than one mode ?
Q4
What is range ?
Q5
Name three measures of central tendency ?
Q6
The mode is always one of the number in a data . T/F
Q7
The mean is always one of the number in a data . T/F
Q8
The median is always one of the number in a data . T/F
Q9
What are the outcomes when a coin is tossed ?
Q10
What are the outcomes when a die is thrown ?
Q11
In our day to day life , the information usually collected in the context of a situation is
known as __________ .
Q12
Data available in an unorganized form is called _____________ .
Q13
Name any ways by which data can be represented .
Q14
In a bar graph the bars are always horizontal . T/F
Q15
In a bar graph the space between the rectangles is _______________.
Q16
If we change the position of any bar of a bar graph , would it change the information
being conveyed ?
Q17
In a bar graph the width of the rectangle is ___________ .
Q18
Frequency gives the number of times that a particular entry occur .T/F
Q19
What is the formula to find out the probability of an event ?
Q20
Each outcome of an experiment is known as __________________ .
ENRICHMENT MATERIAL (MATHEMATICS ORALS)
Page 8 of 21
ANSWER KEY
Q.
NO.
1.
ANSWER
Mean =
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
The observations which occur most often .
Yes
The difference between the highest and lowest observation
Mean, mode ,median
True
No
Yes
Head, Tail
1,2,3,4,5,6
Data
Raw
Bar graph, histogram etc
False
Equal
No
Equal
18. True
19.
P(E) =
20. Event
ENRICHMENT MATERIAL (MATHEMATICS ORALS)
Page 9 of 21
ORAL QUESTIONS
CLASS VII
TOPIC: GEOMETRY
1. What are complementary angles ?
2. What are Supplementary angles?
3. Find the complement of 63o?
4. Find the supplement of 105o?
5. Is the pair 80o, 10o complementary?
6. Is the pair 110o, 60o supplementary?
7. Find the angle which is equal to its complement ?
8. Find the angle which is equal to its supplement ?
9. What is the measure of angle if two angles form a linear pair ?
10. What is the measure of Complementary angles?
11. What is the measure of Supplementary angles?
12. If two angles are vertically opposite angles and measure of one is 55o then what is
measure of other angle?
13. If transversal cuts parallel lines, then what is relation between corresponding angles?
14. What is the median?
15. What is an altitude?
16. State exterior angle property of a triangle.
17. What is angle sum property of a triangle?
18. What is an equilateral triangle?
19. What is an isosceles triangle?
20. What is an scalene triangle?
21. Name the side opposite to right angle in a right angled triangle.
22. State Pythagoras property.
ENRICHMENT MATERIAL (MATHEMATICS ORALS)
Page 10 of 21
23. When two line segments are said to be congruent?
24. Tell four congruent criterion.
25. When two triangles are said to be congruent?
ENRICHMENT MATERIAL (MATHEMATICS ORALS)
Page 11 of 21
ANSWER KEY
1. When the sum of measure s of two angles is 900 , the angles are called complementary
angles.
2. When the sum of measure s of two angles is 1800 , the angles are called supplementary
angles.
3. 270
4. 750
5. Yes
6. No
7. 450
8. 900
9. 1800
10. 900
11. 1800
12. 550
13. They are equal.
14. A median connects a vertex to the mid. point of the opposite side in a triangle
15. An altitude has one end point at a vertex of a triangle and the other on the line
containing the opposite side.
16. An exterior angle of a triangle = sum of its interior opposite angles.
17. The sum of three angles of a triangles is 1800
18. A triangle in which all the three sides are of equal lengths is called an equilateral
triangle.
19. A triangle in which all the two sides are of equal lengths is called an isosceles
triangle.
20. A triangle in which no two sides are of equal lengths is called a scalene triangle.
21. Hypotenuse.
22. In right triangle, the square on the hypotenuse = sum of square on its legs.
23. When they have same lengths.
ENRICHMENT MATERIAL (MATHEMATICS ORALS)
Page 12 of 21
24. SSS, SAS, ASA, RHS.
25. When corresponding angles and corresponding sides of a triangles are equal
to each other.
ENRICHMENT MATERIAL (MATHEMATICS ORALS)
Page 13 of 21
ORAL QUESTIONS
CLASS VII
TOPIC: ALGEBRAIC EXPRESSIONS
TIME: 30 MINUTES
Q1.
TOTAL QUESTIONS = 40
Give expression for the statement : The sum of three times x and 11 .
Q2. If Raju’s age is ‘y’ years and his father’s age is 3 times of Raju’s age then what is
father’s age.
Q3.
What is coefficient of x in expression 2 –x.
Q4.
What are number of terms in the expression 2m – n + 8.
Q5.
Form an expression for sum of numbers ‘p’ and ‘q’ added to their product.
Q6.
What is constant term in the expression 1+x2+x.
Q7.
What is coefficient of m in the expression m+n –m2.
Q8.
Define algebraic expression.
Q9.
What is monomial?
Q10. Give some examples of monomial.
Q11. How many terms are there in the expression ‘abc’.
Q12. Terms of the expression are separated by Which sign.
Q13. State binomial.
Q14. Is x+y a binomial?
Q15. How many terms are there in the trinomial?
Q16. Give some examples of trinomial.
Q17. Define likes and unlikes terms.
Q18. Can you add a like and a unlike term?
Q19. If the length of each side of a regular pentagon is ‘ m’ unit then what is the
perimeter of pentagon.
Q20. What are the factors of the expression 15 x2.
Q21. Find the sum of 2x and 5x.
Q22. What is the sum of x+1 , and y.,
Q23.
Subtract –y from 5y.
ENRICHMENT MATERIAL (MATHEMATICS ORALS)
Page 14 of 21
Q24. If we subtract x from –x then what will be the result .
Q25. Find the value of n -2 at n =2.
Q26. If ‘a’ =2, ‘b’= -2 then what is the value of
a2 +
b2
Q27. If the side of a square is ‘p’ unit then what is the area of a square?
Q28. Is the subtraction of unlike terms possible?
Q29. Find the factors of the terms p2q in the expression p2q + p q2
Q30. What are polynomials?
Q31. Is the value of variable remains fixed?
Q32. Define coefficients.
Q33. Form an algebraic expression for the statement : one half of the sum of numbers x
and y.
Q34. Give an algebraic expression for the statement : product of numbers’ a ‘and ‘b’
subtracted from 10.
Q35. Identify like terms in the expression x, 2x,x2, x3
Q36. Find the value of the expression 2x at x= -1
Q37. Get the algebraic expression for the statement : number ‘l’ multiplied by itself.
Q38. Identify unlike terms
l2, 2l2, m2, 2m2,
Q39. What is the result of 2x subtracted from 2y?
Q40. Find the value of m+n at m=1, n=2.
ENRICHMENT MATERIAL (MATHEMATICS ORALS)
Page 15 of 21
ANSWER KEY
QUESTIONS
Q1
Q2
Q3
Q4
Q5
Q6
Q7
Q8
Q9
Q10
Q11
Q12
Q13
Q14
Q15
Q16
Q17
Q18
Q19
Q20
Q21
Q22
Q23
Q24
Q25
Q26
Q27
Q28
Q29
Q30
Q31
Q32
Q33
Q34
Q35
Q36
Q37
Q38
Q39
Q40
ANSWERS
3x+11
3y
-1
2
p+q+pq
1
1
1
±
Yes
3
No
5m
15,x,x
7x
X+y+1
6y
-2x
0
A
P2
No
P,p,q
No
(x+y)
10-ab
X,2x
-2
L2
L2,m2
2y-2x
3
ENRICHMENT MATERIAL (MATHEMATICS ORALS)
Page 16 of 21
ORAL QUESTIONS
CLASS VII
TOPIC: PERIMETER AND AREA
Q.1.
What is the formula for finding perimeter of regular polygon?
Q.2.
What area will be required to paint a door of dimension 3 m x 2 m?
Q.3.
If the length of rope is 5 m and from this rope, a regular pentagon is made. What
will be the length of each side of pentagon?
Q.4.
What is the formula for finding area of parallelogram?
Q.5.
What will be the area of parallelogram of base 7 cm & corresponding height 3 cm?
Q.6.
What is the formula for finding area of triangle?
Q.7.
Find the area of triangle whose length is 10 cm & breadth is 3 cm?
Q.8.
If the area of parallelogram is 32 cm2 and its base is 8 cm. What is the length of
corresponding altitude?
Q.9.
If the area of parallelogram is 50 cm2 and its altitude is 8 cm. What is the length
of corresponding base?
Q.10. What is the formula for finding base of a triangle?
Q.11. What is the formula for finding height of a triangle?
Q.12. What is the formula for finding area of circle?
Q.13. What is the formula for finding area of circle?
Q.14. Find the perimeter of a circle of radius 7 cm.
Q.15. If the radius of circle is 2 cm, what will be its diameter?
Q.16. If the diameter of circle is 8 cm, what will be its radius?
Q.17. What is the approximate value of
Q.18. 1 m2 =
(pi)?
_______ cm2
Q.19. 1 hectare = _________ m2
Q.20. Which has greater area : A circle of area 88 m2 or a square of side 10 m.
ENRICHMENT MATERIAL (MATHEMATICS ORALS)
Page 17 of 21
ANSWER
KEY
PERIMETER AND AREA
CLASS VII
QUESTIONS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
CORRECT ANSWERS
No. of side x length of one side
6 m2
1m
Base x altitude
21 cm2
½xbxh
30 cm2
4 cm
5 cm
2 area/height
2 area/base
2 r
r2
44 cm
4 cm
4 cm
22/7 or 3.14
10000 cm2
10,000m2
Square (100m2)
ENRICHMENT MATERIAL (MATHEMATICS ORALS)
Page 18 of 21
ORAL QUESTIONS
CLASS VII
TOPIC: EXPONENTS AND POWERS
Q 1. ( -1 )
Even number
= -------------
( Ans . Always +Ve )
Q 2.
What is the base of 35
Q 3.
Say true or false :- a2b3 and b3a2 are same .
( Ans. 3 )
(Ans. true)
Q 4. What is the value of the exponent in 107
Q 5. What is the expension of b3.
(Ans. 7)
(Ans . b x b xb )
Q 6. How can we expand 16.
( Ans. 2 x 2 x 2 x 2 )
Q 7. How can we write 3 x3 x a x a in exponential form .
Q 8. What is the Value of 23.
(Ans .
(3a)2 )
( Ans . 8)
Or 32.
( Ans. 32 )
Q 10. What is the Value of 32 X 33.
(Ans. 35)
Q 9.
Which is greater
22
23 / 22
Q 11. What is the value of
(Ans. 2)
(12)2.
Q 12. What is the Value of
(Ans . 1 )
Q 13. What is the Value of 20 +30 + 40
( Ans . 3 )
Q 14. What is the value of 20 X 30 X 40
(Ans .
Q 15. What is the value of ( -1 )3.
16. What is the exponential form of 1000.
Q 17.
What is the base of 87
1)
( Ans. -1 ) Q
( Ans . 103)
( Ans. 8 )
Q 18. What is the Value of 15.
(Ans. 1)
Q 19. What is the value of the exponent in 2132
Q 20. What is the expension of b4.
(Ans. 32)
(Ans . b x b xb x b )
Q 21. How can we expand 16.
( Ans. 2 x 2 x 2 x 2 )
Q 22. How can we write 3 x3 x 3 x 3 xm x m xm x m in exponential form . (Ans . (3m)4 )
Q 23. What is the Value of -14.
Q 24.
Which is greater
160
ENRICHMENT MATERIAL (MATHEMATICS ORALS)
( Ans . -1)
Or 016.
( Ans. 160 )
Page 19 of 21
Q 25. What is the Value of -12 X -23.
(Ans. -8)
30 / 14
(Ans. 1)
Q 26. What is the value of
Q 27. What is the Value of
(-32)1.
(Ans . 9 )
Q 28. What is the Value of 10 +(-3)0 + 50
( Ans . 3 )
Q 29. What is the value of 60 X 20 X 71
(Ans .
1)
Q 30. What is the value of ( -1 ) x 16.
( Ans. -16 )
Q 31 What is the exponential form of 1000.
( Ans . 103)
Q 32.
( -1 ) Odd number = ---------------
( Ans. Always -Ve )
Q 33. What is the Value of -32.
(Ans. 9)
Q 34. What is the value of the exponent in -7 5
(Ans. 5)
Q 35. What is the Value of 32 ÷ 32.
(Ans . 1 )
Q 36. Express t x t in exponential form.
Q 37. Find out
( Ans.
(1)5 & ( -1 )3 .
Q 38.
Say true or false : 30 = (1000)0.
Q 39.
Which is smaller
23
(Ans .
1 & -1 )
( Ans . true)
Or 32.
( Ans. 23 )
Q 40. What is the Value of 0 X 26.
ENRICHMENT MATERIAL (MATHEMATICS ORALS)
t2 )
(Ans. 0)
Page 20 of 21
ANSWER KEY
Question No.
Q 1.
Q 2.
Q 3.
Q 4.
Q 5.
Q 6.
Q 7.
Q 8.
Q9
Q 10.
Q 11.
Q 12.
Q 13.
Q 14.
Q 15.
Q 16.
Q 17.
Q 18.
Q 19.
Q 20.
Answers
Always +Ve
3
2
7
bxbxb
2 x 2 x2 x 2
( 3a)2
8
32
35
2
1
3
1
-1
103
8
1
32
b x b x b xb
Question No.
Q 21.
Q 22.
Q 23.
Q 24.
Q 25.
Q 26.
Q 27.
Q 28.
Q 29.
Q 30.
Q 31.
Q 32.
Q 33.
Q 34.
Q 35.
Q 36.
Q 37.
Q 38.
Q 39.
Q 40
****
ENRICHMENT MATERIAL (MATHEMATICS ORALS)
Page 21 of 21
Answers
2x 2x 2x 2
(3m)4
-1
160
-8
1
9
3
1
-16
103
Always –Ve
9
5
1
t2
1 & -1
True
23
0