CBSE Board Practice

CBSE Grade VIII - Rational Numbers
Question 1
1.
Find the sum of the rational numbers at the points labelled with letters N and O
  • (
    -81

    10
    )
  • (
    -33

    4
    )
  • (
    -17

    2
    )
  • (
    -83

    10
    )
  • (
    -67

    8
    )
Question 2
2.
Which of the following are true?
a)
7
÷
13
=
13
÷
7
b)
13
5
=
5
13
c)
5
+
17
=
17
+
5
d)
17
7
=
7
17
  • {a,d,b}
  • {a,c,b}
  • {d,c}
  • {b,c}
  • {a,b}
Question 3
3.
    • Which of the following decimal numbers lie between
    • 1069
    • and
    • 1070
    • ?
  • 10698
  • 1070.8
  • 1069.8
  • 107
  • 1068.6
Question 4
4.
The decimal number 237.28 lies between
  • {238,239}
  • {236,237}
  • {239,240}
  • {235,236}
  • {237,238}
Question 5
5.
    • 17
    • 9

      2
    • = ______
  • 153

    2
  • 153

    4
  • 155

    2
  • 153
  • 151

    2
Question 6
6.
Find the difference of the rational numbers at the points labelled with letters H and I
  • (
    -1

    4
    )
  • -1
  • (
    -3

    2
    )
  • 1

    2
  • (
    -1

    2
    )
Question 7
7.
    • Find the missing value in
    • 7

      18
    • +
    • ______ =
    • 41

      36
  • 3

    4
  • 2

    3
  • 6

    7
  • 7

    8
  • 5

    8
Question 8
8.
The decimal number -25.5 lies between
  • {-25,-24}
  • {-24,-23}
  • {-27,-26}
  • {-28,-27}
  • {-26,-25}
Question 9
9.
The decimal number 38.5 lies between
  • {40,41}
  • {38,39}
  • {36,37}
  • {37,38}
  • {39,40}
Question 10
10.
    • Which of the following decimal numbers lie between
    • 7039.0
    • and
    • 7039.1
    • ?
  • 70390.4
  • 7038.91
  • 703.9
  • 7039.04
  • 7039.18