EduSahara™ Worksheet

EduSahara™ Assignment

Name : Finding Product of Numbers Using Special Products

Chapter : Special Products As Identities

Grade : ICSE Grade VII

License : Non Commercial Use

Question 1

1.

The value of
702
✕
702
is

(i)

492807
(ii)

492804
(iii)

492803
(iv)

492805
(v)

492801

Question 2

2.

The value of
80

3
4
✕
80

3
4
is

(i)

6520

9
16
(ii)

6520

9
14
(iii)

6520

1
2
(iv)

6520

11
16
(v)

6520

7
16

Question 3

3.

The value of
698
✕
698
is

(i)

487204
(ii)

487207
(iii)

487205
(iv)

487203
(v)

487201

Question 4

4.

The value of
69

3
4
✕
69

3
4
is

(i)

4865

1
14
(ii)

4865

1
16
(iii)

4865

3
16
(iv)

4865

1
18
(v)

4864

15
16

Question 5

5.

The value of
85
✕
75
is

(i)

6373
(ii)

6374
(iii)

6376
(iv)

6375
(v)

6378

Question 6

6.

The value of
700

1
2
✕
699

1
2
is

(i)

490000

1
2
(ii)

489999

1
2
(iii)

490000

1
4
(iv)

489999

1
4
(v)

489999

3
4

Question 7

7.

The value of
52
✕
59
is

(i)

3071
(ii)

3069
(iii)

3068
(iv)

3067
(v)

3066

Question 8

8.

The value of
700

2
3
✕
701

1
2
is

(i)

491518

1
3
(ii)

491517

2
3
(iii)

491517

2
5
(iv)

491517
(v)

491519

Question 9

9.

The value of
699
✕
696
is

(i)

486506
(ii)

486503
(iii)

486502
(iv)

486504
(v)

486505

Question 10

10.

The value of
199

1
2
✕
199

2
3
is

(i)

39834
(ii)

39833

1
2
(iii)

39833

1
4
(iv)

39832

1
2
(v)

39834

1
2

Question 11

11.

The value of
73
✕
64
is

(i)

4674
(ii)

4672
(iii)

4673
(iv)

4671
(v)

4670

Question 12

12.

The value of
400

1
4
✕
399

1
4
is

(i)

159799

13
14
(ii)

159799

15
16
(iii)

159799

13
16
(iv)

159799

13
18
(v)

159799

11
16

Question 13

13.

Evaluate :
980 2
−
20 2

(i)

960000
(ii)

9600000
(iii)

96000
(iv)

960020
(v)

960980

Assignment Key