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
201
✕
201
is

(i)

40398
(ii)

40401
(iii)

40400
(iv)

40402
(v)

40404

Question 2

2.

The value of
100

1
3
✕
100

1
3
is

(i)

10066

5
9
(ii)

10066

7
11
(iii)

10067
(iv)

10066

7
9

Question 3

3.

The value of
38
✕
38
is

(i)

1445
(ii)

1447
(iii)

1443
(iv)

1444
(v)

1442

Question 4

4.

The value of
99

1
3
✕
99

1
3
is

(i)

9867

1
9
(ii)

9867

1
11
(iii)

9866

8
9
(iv)

9867

1
3
(v)

9867

1
7

Question 5

5.

The value of
22
✕
18
is

(i)

397
(ii)

395
(iii)

393
(iv)

396
(v)

399

Question 6

6.

The value of
900

3
4
✕
899

1
4
is

(i)

809999

1
2
(ii)

809999

7
16
(iii)

809999

9
16
(iv)

809999

5
16
(v)

809999

7
18

Question 7

7.

The value of
106
✕
107
is

(i)

11344
(ii)

11340
(iii)

11341
(iv)

11342
(v)

11343

Question 8

8.

The value of
70

1
2
✕
70

1
3
is

(i)

4958

1
4
(ii)

4959

1
2
(iii)

4958

1
2
(iv)

4957

1
2
(v)

4959

Question 9

9.

The value of
498
✕
494
is

(i)

246012
(ii)

246014
(iii)

246013
(iv)

246010
(v)

246011

Question 10

10.

The value of
89

2
3
✕
89

2
3
is

(i)

8040

1
3
(ii)

8040

1
9
(iii)

8040

1
7
(iv)

8040

1
11
(v)

8039

8
9

Question 11

11.

The value of
201
✕
199
is

(i)

39999
(ii)

39998
(iii)

40000
(iv)

39997
(v)

40001

Question 12

12.

The value of
300

1
3
✕
298

2
3
is

(i)

89699

1
3
(ii)

89699

5
11
(iii)

89699

5
7
(iv)

89699

5
9
(v)

89699

7
9

Question 13

13.

Evaluate :
995 2
−
5 2

(i)

990995
(ii)

990000
(iii)

990005
(iv)

99000
(v)

9900000

Question 14

14.

Find
807 3

(i)

525557943
(ii)

525557963
(iii)

525557933
(iv)

525557923
(v)

525557953

Question 15

15.

Find
894 3

(i)

714517004
(ii)

714516984
(iii)

714516974
(iv)

714516964
(v)

714516994

Question 16

16.

(i)

(-343000)
(ii)

343000
(iii)

(-1000000)
(iv)

(-446250)
(v)

1000000

Question 17

17.

(i)

-575.28
(ii)

-314.432
(iii)

1728
(iv)

314.432
(v)

-1728

Assignment Key