CLASS-7 SLOT 1 MATHS REVISION QUESTIONS

 

EVENTS CONVENT HIGH SCHOOL

70,LALA LAJPAT RAI COLONY, BAGH DILKUSHA
SLOT 1 MATHS REVISION QUESTIONS
CLASS-7

 

 

          1.Choose the Correct options:-

1.      Additive inverse of an integer 8 is.

a.       1/8                                                       b.-8(√)

2.      Associative property is.

a.       a+(b+c)=(a+b)+c (√)                             b.a+b=b+a

3.      Determine(-22) whose produt with (-1) is

a.       22(√)                                                    b.-22

4.      11 ÷(-1) = _________?

a.       11                                                        b.-11(√)

5.      In which fraction numerator is bigger than denominator?

a.       Proper fration(√)                                  b.Improper fraction

6.      Express 7 rupees 7 paisa as rupees.

a.       7.70                                                     b.7.07(√)

7.      4.8 ÷10= _________?

a.       48                                                        b.0.48(√)

8.      Find the mode of data :35,32,32,42,38,32,34

a.       32(√)                                                    b.35

9.      What is range of the data : 90,85,39,48,56,95,81.

a.       134                                                      b.56(√)

10.  Which has two end points       

a.       Line segment (√)                                  b.Line

11.  Sum of supplementary angles

a.       180°(√)                                                            b.90°

12.  Complement angle of 63°

a.       27°(√)                                                  b.117°

13.  How many elements of a triangle

a.       Three                                                   b.Six(√)

14.  The line segment joining a vertex of a triangle to the mid point of its opposite side is called ______of the triangle.

a.       Median            (√)                                            b.Altitude

15.  The total measure of the three angles of a triangle

a.       360°                                                     b.180°(√)

 

      2. Fill in the blanks by choosing the answer given below:-

1.      [13+(-12)] + (-7) = 13+[(1-12) + (-7)].

2.      20 ÷ (-10) = -2.           

3.      9 × (-3)  ×  (-6) = 162.

4.      3.62   × 100 = 362.

5.      272.23 ÷ 10 = 27.223.

6.      Arithmetic mean is one of the representative values of data

7.      The mode of a set of observations is the observation that occurs most often.

8.      Two angles forming a linear pair supplementary.

9.      If two lines intersect at a point then the vertically opposite angles are always equal

10.   A ray has only one end point.

11.   A transversal is a line that intersects two or more lines at distinct points.

12.   If the Pythagoras property holds the triangle must be right angled.

13.  An exterior angle of a triangle is equal to the sum of its interior opposite              angles

14.  A triangle in which two sides are of equal lengths is called an isosceles              triangle.

15.  Ax(b-c) =  a x b – a x c

    

         3. Write True or False:-

    1.On a number line when we subtract a negative integer, we move to the left [False].

    2. When a positive integer and a negative integer are added, we always get a negative              integer [True].

    3. Multiplication is cumulative for integers i.e  a x b = b x a [True].

    4.  A reciprocal of a fraction is obtained by inverting it not upside down [False].

    5.  In 0.5 or 0.05 is greater [False].

    6. 0.04 X 7 = 0.28 [True].

    7.  A bar graph is a representative of number using bars of uniform widths [True].

    8. The data 6,4,3,8,9,12,13,9 has mean 9 [False].

    9.  The difference between the highest and the lowest observation of data are called                      range [True].

    10.  If two angles are supplementary the sum of their measure is 90°[False].

    11.  if two parallel lines are cut by a transversal each pair of corresponding angles are                equal in measure [True].

    12.  Sum of lengths of any two sides of a triangle is greater than the length of the third                 side [True].

    13.  If a triangle whose all angles are equal so its each angle measure is 30° [False].

    14.  112°  and 68° pairs of supplementary angles [True].

    15.  Sum of lengths of any two sides of a triangle is greater than the length of the third                  side[True].

 

                                              SOLVE THE FOLLOWING
4. Find the product using suitable property: (a) 15×(-25)×(-4)×(-10)     (b) (-41) × 102
5. Evalute the following: (a) 13÷[(-2) +1]    (b) [(-6)+5] ÷ [(-2)+1]
6. Express in Kg :3470g
7.Find the mean of the first five whole numbers?
8.The runs scored in a cricket match by 11 players is as follows 9,15,120,50,100,80,10,15,8,10,15 Find the mean, mode and median of this data are the three same.
10.PQR is a triangle right angled at P. If PQ=10cm and PR-=24cm Find QR.