Question

Worksheet 6
Write the appropriate sign of the product.
(a) (
-3) x (+5) =
15
(b) (+ 8) × (- 6) =
48
(c) (-15) × (-3) =
45
(d) (+ 8) × (- 1) =
8
(e) (+ 9) * (- 9) =
81
(f) (- 100) * (- 6) =
600
(h) 1000 (- 100)
100000
2.
(g) (-11) × (+ 11) = 121
Find the product of the following:
(a) (-5) x 6 =
(b) (-19) × (-3) =
(c) 15 x (- 4) =
(d) (-16) × (-2) =
(e) (-5) x 10 x (100) =
(f) (-25) * 4 * (- 4) =
(g) 7(- 4) * (- 12) =
(h) (-1) × (- 1) × (- 1) =
(i) (
-14) × (- 10) x 6 (- 1) =
(i) (-19) ~ 7 x 0 (-5) x 2 =
3.
Find the value of the following:
(a) 1234 x 567 - 234 x 567 (b) 739 x 99 - (- 739)
(c) (70) x (10 - 5 - 22 - 83) (d) 861 x (- 3) + (-861) 7
(e) 326 x (- 108) + 326 x 8 (f) 242 (- 95) + 242 x (- 4) – 242
4. Write the integer which when multiplied by (-1) gives,
(a) - 3
(b) 19
(c) 0
(d) 74
(e) - 69
(f) - 100
5. Compare the following:
(a) (7 + 6) x 10
7 + 6 x 10
(b) (11 - 9) * 8 11 - 9 x 8
What will be the sign of the product of the following:
6.
(a) 7 negative and 3 positive integers.
(b) 26 negative and 10 positive integers.
65​

Answer 1

Answer:

1.

a) -15 b) - 48 c) 45 d) - 8 e) - 81 f) - 400 g) - 121 h) - 100000

2. a) - 30 b) 57 c) - 60 d) 32 e) - 5000 f) 400 g) 336 h) - 1 i) - 840 j) 0

3.a) 567000 b) 34300 c) - 5827 d) -8610

Answer 2

Answer:

1.)

a)-15

b)-48

c)45

d)-8

e)-81

f)600

g)-121

h)-100000

2.

a)-30

b)57

c)-60

d)32

e)-5000

f)400

g)336

h)-1

i)-840

3.

1)5,78,106

2)73,900

3)590

4)-8,610

5)-32,600

6)-24,200

4.

a)3

b)-19

c)1

d)-74

e)69

f)100

6.

a) The sign of the product is Negative as what will the positive integer it will not affect the sign of the negative integer.

b) the sign of the product is positive as what will be the positive integer it will not affect the sign of the negative integer there are 26 negative number as the number is even so the sign is positive.

5.

a) L.H.S:-

(7+6)*10=13*10=130.

R.H.S:-

7+6*10=60+7=130.

L.H.S=R.H.S

b)L.H.S:-

(11-9)*8=2*8=16

R.H.S:-

11-9*8=72-11=61

L.H.S not equal to R.H.S