EduSahara™ Worksheet
Name : Chapter Based Worksheet
Chapter : Algebraic Expressions and Identities
Grade : CBSE Grade VIII
License : Non Commercial Use
Question
1
1.
The expanded form of
(
2
3
a
b
)
3
is
(i)
2
3
a
b
(ii)
2
3
a
b
✕
2
3
a
b
✕
2
3
a
b
(iii)
2
3
a
b
✕
2
3
a
b
✕
2
3
a
b
✕
2
3
a
b
✕
2
3
a
b
(iv)
2
3
a
b
✕
2
3
a
b
(v)
2
3
a
b
✕
2
3
a
b
✕
2
3
a
b
✕
2
3
a
b
Question
2
2.
The value of
1
5
a
✕
1
3
✕
1
4
is
(i)
1
60
a
(ii)
1
58
a
(iii)
1
62
a
(iv)
(
−
1
60
a
)
(v)
1
20
a
Question
3
3.
The value of
1
4
c
d
+
3
4
c
d
is
(i)
2
c
d
(ii)
c
d
(iii)
0
(iv)
(
−
c
d
)
(v)
3
c
d
Question
4
4.
The value of
1
2
h
2
−
1
4
h
2
−
2
3
h
2
is
(i)
(
−
7
12
h
2
)
(ii)
(
−
5
12
h
2
)
(iii)
(
−
5
14
h
2
)
(iv)
(
−
1
4
h
2
)
(v)
(
−
1
2
h
2
)
Question
5
5.
The value of
1
2
i
5
−
1
2
i
5
−
2
5
i
5
is
(i)
(
−
2
7
i
5
)
(ii)
(
−
2
5
i
5
)
(iii)
0
(iv)
(
−
2
3
i
5
)
(v)
(
−
4
5
i
5
)
Question
6
6.
The value of
2
n
2
+
8
n
2
+
7
n
2
is
(i)
19
n
2
(ii)
17
n
2
(iii)
18
n
2
(iv)
15
n
2
(v)
16
n
2
Question
7
7.
Which of the following terms can be subtracted from
(
−
5
m
2
n
l
)
?
(i)
9
l
2
m
n
(ii)
2
l
m
n
(iii)
8
l
m
2
n
2
(iv)
l
m
2
n
(v)
5
l
2
m
n
2
Question
8
8.
The value of
(
6
q
−
6
s
+
8
)
−
(
2
q
r
s
−
2
s
+
8
)
is
(i)
(
−
2
q
r
s
+
6
q
−
4
s
)
(ii)
(
−
2
q
r
s
+
4
q
−
4
s
)
(iii)
(
−
3
q
r
s
+
6
q
−
4
s
)
(iv)
(
−
2
q
r
s
+
9
q
−
4
s
)
(v)
(
−
q
r
s
+
6
q
−
4
s
)
Question
9
9.
(
a
−
b
)
2
(i)
(
a
2
−
2
a
b
+
b
2
)
(ii)
(
a
2
+
a
b
+
b
2
)
(iii)
(
−
2
a
b
+
b
2
)
(iv)
(
a
2
−
4
a
b
+
b
2
)
(v)
(
2
a
2
−
2
a
b
+
b
2
)
Question
10
10.
The value of
(
−
7
g
3
+
5
g
2
−
3
g
)
+
(
4
g
2
+
5
g
+
4
)
+
(
7
g
5
−
3
g
3
+
5
g
)
+
(
−
2
g
4
+
2
g
3
+
6
g
2
)
is
(i)
(
8
g
5
−
2
g
4
−
8
g
3
+
15
g
2
+
7
g
+
4
)
(ii)
(
4
g
5
−
2
g
4
−
8
g
3
+
15
g
2
+
7
g
+
4
)
(iii)
(
6
g
5
−
2
g
4
−
8
g
3
+
15
g
2
+
7
g
+
4
)
(iv)
(
7
g
5
−
2
g
4
−
8
g
3
+
15
g
2
+
7
g
+
4
)
(v)
(
9
g
5
−
2
g
4
−
8
g
3
+
15
g
2
+
7
g
+
4
)
Question
11
11.
The constant term in polynomial
(
−
4
m
+
5
)
is
(i)
5
(ii)
7
(iii)
6
(iv)
2
(v)
4
Question
12
12.
The sum of the expressions
(
−
2
j
k
−
7
k
+
4
)
,
(
3
j
+
k
−
6
)
,
(
4
j
+
6
k
+
4
)
,
(
5
j
k
−
4
k
−
4
)
,
(
7
j
k
+
k
−
7
)
is
(i)
(
10
j
k
+
10
j
−
3
k
−
9
)
(ii)
(
9
j
k
+
7
j
−
3
k
−
9
)
(iii)
(
10
j
k
+
4
j
−
3
k
−
9
)
(iv)
(
11
j
k
+
7
j
−
3
k
−
9
)
(v)
(
10
j
k
+
7
j
−
3
k
−
9
)
Question
13
13.
The expanded form of
(
3
x
+
5
)
(
2
x
+
5
)
is
(i)
(
7
x
2
+
25
x
+
25
)
(ii)
(
3
x
2
+
25
x
+
25
)
(iii)
(
6
x
2
+
25
x
+
25
)
(iv)
(
8
x
2
+
25
x
+
25
)
(v)
(
5
x
2
+
25
x
+
25
)
Question
14
14.
The value of
3
b
c
✕
b
✕
4
✕
(
−
8
c
)
is
(i)
(
−
97
b
2
c
2
)
(ii)
(
−
94
b
2
c
2
)
(iii)
(
−
98
b
2
c
2
)
(iv)
(
−
95
b
2
c
2
)
(v)
(
−
96
b
2
c
2
)
Question
15
15.
The value of
1
4
r
s
−
1
3
r
s
−
1
2
r
s
−
1
4
r
s
is
(i)
(
−
7
6
r
s
)
(ii)
(
−
5
8
r
s
)
(iii)
(
−
1
2
r
s
)
(iv)
(
−
5
6
r
s
)
(v)
(
−
5
4
r
s
)
Question
16
16.
The value of
(
−
2
t
5
)
−
(
−
7
t
5
)
−
8
t
5
is
(i)
(
−
5
t
5
)
(ii)
(
−
t
5
)
(iii)
(
−
3
t
5
)
(iv)
(
−
4
t
5
)
(v)
(
−
2
t
5
)
Question
17
17.
The sum of the expressions
(
3
s
+
8
)
,
(
−
7
r
s
−
6
r
)
,
(
9
r
s
+
6
s
)
,
(
−
r
s
−
2
)
,
(
3
r
s
−
2
s
)
is
(i)
(
5
r
s
−
6
r
+
7
s
+
6
)
(ii)
(
4
r
s
−
8
r
+
7
s
+
6
)
(iii)
(
4
r
s
−
6
r
+
7
s
+
6
)
(iv)
(
3
r
s
−
6
r
+
7
s
+
6
)
(v)
(
4
r
s
−
3
r
+
7
s
+
6
)
Question
18
18.
The value of
29
✕
29
is
(i)
841
(ii)
842
(iii)
843
(iv)
840
(v)
838
Question
19
19.
The value of
4
p
✕
(
−
5
)
✕
(
−
2
p
)
✕
5
p
is
(i)
200
p
3
(ii)
201
p
3
(iii)
199
p
3
(iv)
202
p
3
(v)
197
p
3
Question
20
20.
The expanded form of
(
3
g
)
3
is
(i)
3
g
✕
3
g
✕
3
g
✕
3
g
(ii)
3
g
(iii)
3
g
✕
3
g
✕
3
g
✕
3
g
✕
3
g
(iv)
3
g
✕
3
g
(v)
3
g
✕
3
g
✕
3
g
Question
21
21.
(
−
a
−
5
b
)
2
(i)
(
a
2
+
13
a
b
+
25
b
2
)
(ii)
(
2
a
2
+
10
a
b
+
25
b
2
)
(iii)
(
a
2
+
10
a
b
+
25
b
2
)
(iv)
(
10
a
b
+
25
b
2
)
(v)
(
a
2
+
8
a
b
+
25
b
2
)
Question
22
22.
The value of
794
✕
794
is
(i)
630435
(ii)
630436
(iii)
630438
(iv)
630433
(v)
630437
Question
23
23.
The value of
92
✕
83
is
(i)
7639
(ii)
7636
(iii)
7637
(iv)
7635
(v)
7633
Question
24
24.
Which of the following is a like term of
5
k
l
2
j
?
(i)
(
−
9
j
k
l
2
)
(ii)
(
−
2
j
2
k
2
l
)
(iii)
9
j
k
2
l
(iv)
2
j
k
l
(v)
(
−
5
j
2
k
l
2
)
Question
25
25.
The value of
299
1
4
✕
299
1
4
is
(i)
89550
9
16
(ii)
89550
1
2
(iii)
89550
9
14
(iv)
89550
7
16
(v)
89550
11
16
Assignment Key
1) (ii)
2) (i)
3) (ii)
4) (ii)
5) (ii)
6) (ii)
7) (iv)
8) (i)
9) (i)
10) (iv)
11) (i)
12) (v)
13) (iii)
14) (v)
15) (iv)
16) (iii)
17) (iii)
18) (i)
19) (i)
20) (v)
21) (iii)
22) (ii)
23) (ii)
24) (i)
25) (i)
