Friday, March 4, 2016

Maths class 6 WS

Q 1.Name the common arm of http://www.extramarks.com/stryde/uploadfiles/mathimage/29.gif DOE and http://www.extramarks.com/stryde/uploadfiles/mathimage/29.gifFOE.
http://www.extramarks.com/stryde/uploadfiles/Image/20090904328638001252060492_140207.JPG

Q 2. Name the point(s) lying in the interior of http://www.extramarks.com/stryde/uploadfiles/mathimage/29.gifDOE
http://www.extramarks.com/stryde/uploadfiles/Image/20090904676925001252060390_140205.JPG
Q 3 How many lines can be drawn through a given point?
Q 4 What is the starting point of a ray PQ?
Q 5 A polygon formed by four line segments is called a __________.
Q 6 _______ is the longest chord of a circle.
Q 7 All the radii of a circle are _____.
Q 8 Any part of a circle is called an _____ of the circle.
Q 9.Name the three vertices.
http://www.extramarks.com/stryde/uploadfiles/Image/20090904727483001252059868_140204.JPG
1)    Name the three vertices.
2)    Name the three sides.
3)    Name the three angles.
Q 10 For a quadrilateral MNOP,
 a) Name two pairs of opposite sides.
b) Name four pairs of adjacent sides.
c) Name two pairs of opposite angles.

Q 11 Which one is the right representation of ray AB,  a line segment AB?
http://www.extramarks.com/stryde/uploadfiles/Image/20100308337114001268032453_803.gif 
Q 13 Identify the open curves from the following.
http://www.extramarks.com/stryde/uploadfiles/Image/20090213153522001234515950_image002.jpg

Q 12.   Fill in the blanks                                                               
1) The boundary of a circle is__________.
2) The interior of a triangle along with its boundary is called _________.
3) A _____ has its end – point on the circle.
4) Lines, which never meet are _______ lines.

Q 13.  Write the measure of a straight angle.
Q 14 Is rectangle a quadrilateral?
Q 15 Can a triangle have two obtuse angles ?
Q 16 Can a right-angled triangle have two right angles ?
Q 17 State the following statements as true or false. Correct the statement if false.                   
(a)   An obtuse angle < 90º .
(b)   A measure of complete angle is 360º.

Q 18 With the help of protractor draw angles of
(i) 105° (ii) 60°
and identify the angles (whether it is obtuse or acute).

Q 19.  Name the types of following triangles:
a. Triangle with lengths of sides 7 cm, 8 cm and 9 cm.
b. 
http://www.extramarks.com/stryde/uploadfiles/mathimage/70.gifPQR such that PQ=QR=RP=5 cm.
c. 
http://www.extramarks.com/stryde/uploadfiles/mathimage/70.gifABC with AB=8.7 cm, AC=7 cm and BC= 6 cm.
d.
http://www.extramarks.com/stryde/uploadfiles/mathimage/70.gifDEF with http://www.extramarks.com/stryde/uploadfiles/mathimage/29.gifD=90°.
e.
http://www.extramarks.com/stryde/uploadfiles/mathimage/70.gifXYZ with http://www.extramarks.com/stryde/uploadfiles/mathimage/29.gifY=90° and XY=YZ.
f.  
http://www.extramarks.com/stryde/uploadfiles/mathimage/70.gifLMN with http://www.extramarks.com/stryde/uploadfiles/mathimage/29.gifL=30°, http://www.extramarks.com/stryde/uploadfiles/mathimage/29.gifM=70° and http://www.extramarks.com/stryde/uploadfiles/mathimage/29.gifN=80°. 

Q 20.   Define
a)    Obtuse-angled-triangle
b)    Right-angled-triangle
c)    Acute-angled-triangle
d)    Zero angle
e)    Isosceles triangle 







Q 21 Complete the following information (put √ if correct and X if not true).         
Quadrilaterals
Opposite sides
All sides Equal
Opp Angles Equal
Diagonals

Parallel
equal
Equal
Perpendicular
a)Parallelogram 






b)Rectangle






c)Square






d)Rhombus








Q 22 Match the following:                                                                               
http://www.extramarks.com/stryde/uploadfiles/Image/20090904265457001252078864_25021.jpg
Q 23 If a clock hand starts from 12 and stops at 12, what angle does it make?
Q 24 f a clock hand starts from 6 and stops at 9 what angle does it make?
Q 25 A line segment has _______  end-points.
Q 26 a) If a clock hand starts from ‘12’ and stops at 6, how many right angles has it moved?
b) Where will the hand of a clock stop if starts at 3 and makes
http://www.extramarks.com/stryde/uploadfiles/Image/20100308500485001268025548_803.gifof revolution clockwise.

Q 27. Fill in the blanks:                    
one revolution = _____ degrees
half revolution = _____ degrees
one-fourth revolution = _____ degrees
three-fourth revolution = _____ degrees

Q 28 Is a right angled equilateral triangle possible?

Q 29 Find the number of edges, faces and vertices in the figure given below.
http://www.extramarks.com/stryde/uploadfiles/Image/20100303542152001267607767_030310.gif
Q 30. 
Fill in the blanks
A cone has ____ edges & _____ faces


(Q.11)  The addition of two whole numbers always gives
(A) a natural number.
(B) an even number.
(C) an odd number.
(D) a whole number.
(1Mark)

(Q.12)  Three consecutive successors of 486399 are:
(A) 486400,486401,486402.
(B) 486789,486790,486791.
(C) 486234,486235,486236.
(D) 486397,486398,486399.
(1Mark)

(Q.13)  Additive identity element of 124 is
(A) - 124.
(B) 0.
(C) 1.
(D) 124.
(1Mark)

(Q.14)  38 + 83 = 83 + 38 is an example of
(A) commutative property.
(B) associative property.
(C) closure property.
(D) distributive property.
(1Mark)

(Q.15)  Which natural number has no predecessor
(A) 0.
(B) 1.
(C) -1.
(D) none of these.
(1Mark)

(Q.16)  Predecessor of 39 is

(A) 0
(B) 38
(C) -39
(D) 40
(1Mark)

(Q.17)  True or False: The sum of whole numbers is always a whole number.
(1Mark)

(Q.18)  True or False: The difference of two whole numbers is always a whole number.
(1Mark)

(Q.19)  Is (6 - 3) same as (3 - 6)?
(1Mark)

(Q.20)  A number remains unchaged when multiplied by _____.
(1Mark)

(Q.21)  True or False: The predecessor of a two digit number is always a two digit number.
(1Mark)

(Q.22)  Natural number that has no predecessor is
(A) 0.
(B) 1.
(C) 2.
(D) 3.
(1Mark)

(Q.23)  Product of two whole numbers is 1, if
(A)
only the first whole number is 1.
(B)
only the�second whole number is 1.
(C)
both the whole numbers are 1.
(D)
none of the whole number is 1.
(1Mark)

(Q.24)  A man purchased 26 buttons on one day and 14 on another day. Each button costs Rs. 12. The total cost of these buttons is
(A)
390
(B)
480
(C)
690
(D)
745
(1Mark)

(Q.25)  The product of a whole number and zero is
(A) 0.
(B) 1.
(C) a natural number.
(D) the number itself.
(1Mark)

(Q.26)  The sum of two natural numbers is _____
(A) only a natural number
(B) only a whole number
(C) both a natural number and a whole number
(D) neither
a natural numbernor a whole number
(1Mark)

(Q.27)  The number with which when 10 is multiplied product remains the same:
(A) 0
(B) -1
(C) 1
(D) 2
(1Mark)

(Q.28)  The multiplicative identity element of whole numbers is
(A) 2.
(B) 1.
(C) 0.
(D) -1.
(1Mark)

(Q.29)  2 http://14.141.58.228/stryde/uploadfiles/Image/20071116769773001195212369%20_image005.gif3 = 3 http://14.141.58.228/stryde/uploadfiles/Image/20071116769773001195212369%20_image005.gif2 is an example of
(A) Closure property.
(B) Commutative property.
(C) Associative property.
(D) Distributive property.
(1Mark)

(Q.30)  Product of two even numbers is:
(A) Odd
(B) Even
(C) Both
(D) None of them
(1Mark)

(Q.31)  Additive inverse of - 25 is
(A) 1
(B) 25
(C) 24
(D) 26
(1Mark)

(Q.32)  (2 + 5) + 6 = 2 + (5 + 6) is an example of:
(A) Commutative property
(B) Closure property
(C) Associative property of multiplication
(D) Associative property of addition
(1Mark)

(Q.33)  Three consecutive successors of 586399 are:
(A) 586400,586401,586402
(B) 586789,586790,586791
(C) 586234,586235,586236
(D) 586397,586398,586399
(1Mark)

(Q.34)  Product of an even number and an odd number is an
(A) odd
(B) even
(C) both (a) and (b)
(D) none
(1Mark)

(Q.35)  The least number which must be subtracted from 9753, to get a number exactly divisible by 76 is
(A) 23.
(B) 24.
(C) 25.
(D) 26.
(1Mark)

(Q.36)  The sum of all the possible factors of 500(including 1 and 500 itself) equals
(A) 784.
(B) 980.
(C) 1092.
(D) 1350.
(1Mark)
(Q.37)  Find 102 X�103 using distributivie
(Q.38)  The largest 3-digit number which is exactly divisible by 36 is:
(Q.39)  The difference between the greatest 6-digit number and the lowest 4-digit number is:
(Q.40)  (2 + 5) + 6 = 2 + (5 + 6) is an example of: 
(A) Commutative property 
(B) Closure property 
(C) Associative property of multiplication 
(D) Associative property of addition
(Q.41)  2 http://14.141.58.228/stryde/uploadfiles/Image/20071116769773001195212369%20_image005.gif�3 = 3 http://14.141.58.228/stryde/uploadfiles/Image/20071116769773001195212369%20_image005.gif�2 �is an example of 
(A) Closure property.
(B) Commutative property.
(C) Associative property.
(D) Distributive property.
(Q.42)  By suitable arrangements, find the value of the expression:
539 + 186 + 461 + 714
(Q.43)  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

(Q.44)  Which is the number that is equal to its additive inverse?
(Q45)  The cube of a negative integer is a 

(A) Positive integer.

(B) Negative integer.

(C) Neutral integer.

(D) None of them.

(Q.46)  The product of unlike signs is always
(A) positive.
(B) negative.
(C) neutral.
(D) zero.

Find Least Common Multiple (LCM). 1) 5 and 15 = ...