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
207
✕
207
is

(i)

42852
(ii)

42848
(iii)

42850
(iv)

42846
(v)

42849

Question 2

2.

The value of
300

3
4
✕
300

3
4
is

(i)

90450

11
16
(ii)

90450

1
2
(iii)

90450

7
16
(iv)

90450

9
16
(v)

90450

9
14

Question 3

3.

The value of
393
✕
393
is

(i)

154448
(ii)

154450
(iii)

154449
(iv)

154446
(v)

154451

Question 4

4.

The value of
79

1
4
✕
79

1
4
is

(i)

6280

9
16
(ii)

6280

9
14
(iii)

6280

7
16
(iv)

6280

11
16
(v)

6280

1
2

Question 5

5.

The value of
702
✕
698
is

(i)

489994
(ii)

489995
(iii)

489999
(iv)

489996
(v)

489997

Question 6

6.

The value of
101

1
2
✕
98

1
2
is

(i)

9998

1
2
(ii)

9997

1
2
(iii)

9998

1
4
(iv)

9997

3
4
(v)

9997

1
4

Question 7

7.

The value of
87
✕
83
is

(i)

7222
(ii)

7220
(iii)

7219
(iv)

7221
(v)

7224

Question 8

8.

The value of
900

3
4
✕
900

1
2
is

(i)

811125

3
8
(ii)

811125

5
8
(iii)

811125

3
10
(iv)

811125

1
2
(v)

811125

1
8

Question 9

9.

The value of
72
✕
77
is

(i)

5544
(ii)

5545
(iii)

5542
(iv)

5543
(v)

5546

Question 10

10.

The value of
59

2
3
✕
59

3
4
is

(i)

3565

1
4
(ii)

3564

11
12
(iii)

3565

1
10
(iv)

3565

1
12
(v)

3565

1
14

Question 11

11.

The value of
43
✕
33
is

(i)

1419
(ii)

1422
(iii)

1418
(iv)

1420
(v)

1417

Question 12

12.

The value of
80

2
3
✕
79

3
4
is

(i)

6433

1
4
(ii)

6433

1
8
(iii)

6433

1
2
(iv)

6432

5
6
(v)

6433

1
6

Question 13

13.

Evaluate :
995 2
−
5 2

(i)

990005
(ii)

99000
(iii)

990995
(iv)

990000
(v)

9900000

Question 14

14.

Find
608 3

(i)

224755702
(ii)

224755732
(iii)

224755712
(iv)

224755722
(v)

224755692

Question 15

15.

Find
193 3

(i)

7189077
(ii)

7189057
(iii)

7189067
(iv)

7189047
(v)

7189037

Question 16

16.

(i)

8000
(ii)

(-8000)
(iii)

64000
(iv)

(-18000)
(v)

(-64000)

Question 17

17.

(i)

-6644.672
(ii)

6229.504
(iii)

-4825.584
(iv)

6644.672
(v)

-6229.504

Assignment Key