4.INTEGERS
I. Choose the Correct answer. (Each 1M)
1.Find
the sum of -315, 114 and -36
(A) 237
(B)-237
(C)327
(D)0
2.The
successor and predecessor of -20 is ________
(A) -21 and -19
(B) -19 and -18
(C) -19 and -21
(D) -22 and -21
3.The
correct sequence of the numbers in ascending order is _________
(A) 0 < -1 < -2
(B) 1 < -1 < 0
(C) -1 < 0 < 1
(D) -2 < -3 < -4
4.According
to the number line, -20 will be placed ___________
(A) Towards the right of 0
(B) Towards the left of 0
(C) Anywhere on the number line
(D) No-where on the number line
5.What
do we find when we move towards the left of the number line?
(A) Numbers of increasing order
(B) Numbers of decreasing order
(C) Numbers of the same value as the preceding ones
(D) There are no numbers before 0
6.The
correct sequence in descending order is _______.
(A) 0 > 1 > 2
(B) 0 > -1 > 1
(C) -1 > 1 > 2
7.Which
(D) 2 > -2 > -3
numbers lie between -3 and -9 and which is the greatest and the smallest among
them?
(A) -3, -4, -5, -6, -7, -8; Greatest number = -8; Smallest number = -3
(B) -4, -5, -6, -7, -8; Greatest number = -8; Smallest number = -7
(C) -4, -5, -6, -7, -8, -9; Greatest number = -4; Smallest number = -9
(D) -4, -5, -6, -7, -8; Greatest number = -4; Smallest number = -8
8.Which
of following options represents situation given below, using appropriate signs (+/-)
'First a withdrawal of Rs 2,000, then a deposit of Rs 1,000 and then a deposit of Rs 5,000.'
(A) + Rs 2,000, - Rs 1,000, -Rs 5,000
(B) - Rs 2,000, - Rs 1,000, + Rs 5,000
(C) - Rs 2,000, + Rs 1,000, + Rs 5,000
(D) None of them
9.Given
a pair of numbers '-14, -15', we know that _______________
(A) -14 is on the left side of -15
(B) -15 is on the left side of -14
(C) The numbers can be anywhere on the number line.
(D) The following situation depends
on which side of 0
10.The
solution to '(-31) + (-56)' is _____.
(A) -87
(B) 87
11.What
(A) 1
(C) 24
(D) -24
is the sum of '(+9)+(-6)+(-3)+(+5)+(-6)'?
(B) -1
(C) -29
(D) 29
12.What
happens when we add positive and a negative integer?
(A) We add the numbers and put the sign of the bigger number
(B) We subtract the numbers and put the sign of the smaller number
(C) We subtract the numbers and put the sign of the any number
(D) We subtract the numbers and put the sign of the bigger number
13.Find
(A) 1
the value (-8) - (-10)
(B) 6
(C) 9
14.What
(A) +89
is the additive inverse of 89?
(B) -89
(C) +98
15.Which
(A) 1
16.The
(A) -70
(D) 2
(D) -98
is the number that is equal to its additive inverse?
(B) -1
(C) 0
(D) 100
integer which is 15 more than -55 is ______.
(B) +70
(C) -40
(D) +40
17.If
we are at -6 in number line, in which direction should we move to reach -1?
(A) Left
(B) Right
(C) Upwards (D) Downwards
18.Fill
in the box
(A) >
(B) <
19.Subtract
(A) -7
(C) =
(D) None of them
from
(B) 7
(C) -8
(D) +8
20.The
predecessor and successor of -123 are ……and……..respectively.
(A) -124, -125
(B) -124, -122
(C) -124, -123
(D) -125, -126
21.The
product of (-3) (-5) (-8)
(A) -720
(B) 720
6 is………
(C) 710
(D) -710
22.1+3-5+7-9+11-13=?
(A) -5
(B) -6
subtracting -17 from -25, we get(A) 8
(B) -8
(C) -4
(D) -7
(C) 7
(D) -7
23.On
24.Which
of the following statements is false?
(A) Every positive integer is greater than zero.
(C) 1 is the smallest positive integer.
(B) Every negative integer is less than zero.
(D) Zero is a positive integer.
25.Which
of the following statement is true?
(A) (positive integer)x (positive integer) = negative integer
(B) (negative integer) x (positive integer) = positive integer
(C) (negative integer) x (negative integer) = positive integer
(D) (negative integer) - (positive integer) = positive integer
26.Which
(A) 4 > -5
of the following statements is true?
(B) -3 > -2
(C) 0 < -1
x -4 = …….
(A) -20
(D) 3 > 4
27.5
(B) 20
(C) Both of them.
the following integers in decreasing order.
-4, 7, 0, -2, 3, -6
(A) 7, 3, 0, -2, -4, -6 (B) -6, -4, -2, 0, 3, 7 (C) 7, 3, 0, -1, -2, -4
(D) None of them.
28.Arrange
value of 12/(-3) is(A) -4
(B) -3
(D) -6, -4, -2, 0, 1, 2
29.The
30.The
(A) -1
(C) 4
(D) 3
least negative integer among the following is(B) 0
(C) -2
(D) -7
31.The
additive inverse of -29 is………
(A) 28
(B) 27
(C) 29
(D) 26
32.Which
is greater between (9 -10) x11 and ( 9- 10) x-11 ?
(A) (9 - 10) x11
(B)( 9 – 10) x-11
(C) Both of them.
(D) None of them.
33.Fill
in the blank:
10+8+…….= -32
(A) 14
(B) -14
34.Which
(C) 50
(D) -50
numbers lie between -5 and -9 and which is the greatest and the smallest among
them?
(A) -6, -7 and -8 lie between -5 and -9. Among them, -6 is the greatest and -8 is the smallest.
(B) -5, -6 and -7 lie between -5 and -9. Among them, -6 is the greatest and -7 is the smallest.
(C) -7, -8 and-9 lie between -5 and -9. Among them -7 is the greatest and -9 is the smallest.
(D) -5, -6, -7 and-8 lie between -5 and -9. Among them -5 is the greatest and -8 is the smallest.
II. Solve the following problems. (Each 2M)
1.Fill
in the blank with >, < or = sign.
2.Subtract
from
3.Find
the sum of
(a) -315, 14 and 36
(b) -52, 17 and 32
4.Draw
a number line and represent the following numbers
(a) +8
(b) -10
b)-300 X
5.Simplify a)
III. Solve the following problems. (Each 3M)
1.Fill
in the blanks
(i)
(ii)
(iii)
IV. Solve the following problems. (Each 4M)
1.Find
(i)
the value of a in each of the following
(ii)
(iii)
(iv)
(v)
2.For
the statements, write true (T) and (F)
1) The smallest integer is zero ( )
2) -18 is greater than -5 ( )
3) A positive integer is greater than its negative ( )
4) The successor of -297 is -298 ( )
5) The predecessor of -193 is -194 ( )
3.Find
the absolute value of the following.
a)│57│
b) │-31│
c) │+12│
d) │-1491│