EduSahara™ Worksheet

EduSahara™ Assignment

Name : Product of Numbers using Algebraic Identities

Chapter : Special Products and Expansions

Grade : ICSE Grade VIII

License : Non Commercial Use

Question 1

1.

The value of
11
✕
11
is

(i)

120
(ii)

119
(iii)

124
(iv)

122
(v)

121

Question 2

2.

The value of
800

1
3
✕
800

1
3
is

(i)

640533

2
9
(ii)

640533

2
3
(iii)

640533

4
7
(iv)

640533

4
11
(v)

640533

4
9

Question 3

3.

The value of
297
✕
297
is

(i)

88207
(ii)

88210
(iii)

88208
(iv)

88209
(v)

88212

Question 4

4.

The value of
39

2
3
✕
39

2
3
is

(i)

1573

2
9
(ii)

1573

4
11
(iii)

1573

4
7
(iv)

1573

2
3
(v)

1573

4
9

Question 5

5.

The value of
703
✕
697
is

(i)

489989
(ii)

489991
(iii)

489994
(iv)

489992
(v)

489990

Question 6

6.

The value of
90

3
4
✕
89

1
4
is

(i)

8099

7
18
(ii)

8099

9
16
(iii)

8099

7
16
(iv)

8099

1
2
(v)

8099

5
16

Question 7

7.

The value of
609
✕
608
is

(i)

370275
(ii)

370270
(iii)

370271
(iv)

370273
(v)

370272

Question 8

8.

The value of
101

1
3
✕
100

1
3
is

(i)

10166

8
9
(ii)

10167

1
11
(iii)

10167

1
7
(iv)

10167

1
9
(v)

10167

1
3

Question 9

9.

The value of
297
✕
295
is

(i)

87614
(ii)

87613
(iii)

87615
(iv)

87616
(v)

87618

Question 10

10.

The value of
18

1
2
✕
19

2
3
is

(i)

363

5
6
(ii)

363

1
2
(iii)

364

1
4
(iv)

363

5
8
(v)

364

1
6

Question 11

11.

The value of
54
✕
49
is

(i)

2645
(ii)

2647
(iii)

2643
(iv)

2649
(v)

2646

Question 12

12.

The value of
301

1
2
✕
299

3
4
is

(i)

90374

5
8
(ii)

90374

1
2
(iii)

90374

7
8
(iv)

90374

3
8
(v)

90374

5
6

Question 13

13.

Evaluate :
975 2
−
25 2

(i)

950025
(ii)

9500000
(iii)

95000
(iv)

950975
(v)

950000

Question 14

14.

Find
908 3

(i)

748613312
(ii)

748613332
(iii)

748613292
(iv)

748613302
(v)

748613322

Question 15

15.

Find
492 3

(i)

119095508
(ii)

119095488
(iii)

119095478
(iv)

119095468
(v)

119095498

Question 16

16.

(i)

(-27000)
(ii)

64000
(iii)

27000
(iv)

(-31500)
(v)

(-64000)

Question 17

17.

(i)

2985.984
(ii)

-1259.712
(iii)

-2985.984
(iv)

-1469.664
(v)

1259.712

Assignment Key