VI SAI REVISION

REVISION FOR SA1

PLAYING WITH NUMBERS

FIND THE COMMON FACTORS OF

A)56 AND 120         B)35 AND 50

2.EXPRESS EACH OF THE FOLLOWING NUMBERS AS THE SUM OF TWIN PRIME

A)24    B)120

3.EXPRSS EACH OF THE FOLLOWING NUMBERS AS THE SUM OF TWO ODD PRIMES

A)84       B)98

4. REPLACE    *   BY THE SMALLEST AND GREATEST NUMBER FORMED DIVISIBLE BY 3     A)4756*2

5)USING THE DIVISIBILITY RULE CHECK 85479512 IS DIVISIBLE BY 6 OR 8 OR 15

6)FIND THE PRIME FACTORISATION OF THE FOLLOWING NUMBERS

A) 27830       B)4725     C)72

7)WRITE ALL THE PRIME FACTORS OF 1729 AND ARRANGE THEM IN ASCENDING ORDER .NOW STATE THE RELATION .IF ANY ,BETWEEN TWO CONSECUTIVE PRIME NUMBERS.

8)THREE BOYS STEP OFF TOGETHER FROM THE SAME SPOT.THEIR STEP MEASURE 63CM,70CM,AND 77CM RESPECTIVELY. WHAT IS THE MAXIMUM DISTANCE EACH SHOULD COVER SO THAT ALL CAN COVER THE SAME DISTANCE IN COMPLETE STEPS.

9)FIND THE L.C.M OF 36,48,266

INTEGERS

1)EVALUATE  THE FOLLOWING

A)(-203)+501    B)-1083+(-3974)     C)-190-(-3512)

   D)-121-(-78)+(-193)+576     E)31+(-23)-35+18-4-(-3)

F)71-(-25)+37-18+(-11)

2)WRITE EACH OF THE FOLLOWING USING APPROPRIATE INTEGER

A)20̊C BELOW FREEZING POINT  B)DEPOSITING ₹2500 IN ABANK

C)240M BELOW SEA LEVEL

3)WHICH INTEGER LIES BETWEEN -2 AND 3?

4)WRITE THREE CONSECUTIVE INTEGER JUST GREATER THAN 8?

V REVISION 1 AND 2 PAPERS FOR SA-1

 Revision 1 (Large Numbers)                                                               

                                                                                                                                   

I. Seema brought 7 flash cards of digits  4 5 9 8 2 9 1                                                   in the school. Teacher told

Do the following using the digits

                                                                    i.            Make the greatest and smallest numbers using the above digits.

                                                                  ii.            Place the greatest number in Indian place value chart.

                                                                iii.            Place the smallest number in International place value chart.

                                                                iv.            Write the number names of both the number according to Indian place value system.

                                                                  v.            Make expanded form of greatest number.

                                                                vi.            Write successor of greatest number and predecessor of smallest number

             II. Fill in the blanks:

                                                i.            Predecessor of MXC is __________.

                                              ii.            1 crore is equivalent to ____________ million.

                                            iii.            Numerals I, X and C can be repeated more than ____ times.

                                            iv.            If 138790 rounded to nearest thousand we get _______.

                                              v.            Smallest seven digit number subtracted by 9 is ______.

                                            vi.            Greatest five digit number is added by smallest four digit number is ______.

                                          vii.            7 ten lakhs+ 3 ten thousands+ 8 thousands + 10 ones = _______.

                                        viii.            Continue the pattern:

67,21,057    ,67,22,058  , ___________,  ___________

REVISION-2

DATA HANDLING

I FILL IN THE BLANKS

1. The study of numerical data through pictures or graphs is called the _________.

2. The study of numerical data through table is called _________representation of the data.

3.___________ means a collection of numbers which give us some information.

4. The number of times, a particular observation occurs in data ,is known as _________________.

5. Circle graph is also called __________.

II Do the following

1.     Draw a bar graph to represent the numbers of children who play different games in army public school.

Games played	Hockey	Football	Cricket	Volleyball
Number of students	15	40	45	20

B) 40 flowers are sold in a day. Represent the following data in the circle graph.

Lotus-20, Rose-10, Orchid-5, Jasmine-5

IV CLASS REVISION PAPER-1,2 FOR SAI

REVISION – SYMMETRY AND PATTERNS

NAME:

CLASS:                                                                                   TIME: 40 mins

I.                  Complete the following:

                   i.            4, 8, 10, 20, 22, __, __, __, __.

                 ii.            100, 90, 80, ___, 60, 50, 40.

              iii.            1, 3, 9, 27, __, __, __.

              iv.            1, 2, 4, 7, 11, __, __, __.

II.               Fill in the blanks:

i.                   A square has ________ axes of symmetry.

ii.                 The letter D is _____________.

iii.              The dotted line divides the figure into ______ identical parts.

iv.              The line that divides the figure into two identical parts is called the ___________________.

III.           Read the question carefully. Decode the message below using the number/letter key.

A	B	C	D	E	F	G	H	I	J	K	L	M
1	2	3	4	5	6	7	8	9	10	11	12	13

N	O	P	Q	R	S	T	U	V	W	X	Y	Z
14	15	16	17	18	19	20	21	22	23	24	25	26

i.                   Using the first code:

          9  12-15-22-5   9-3-5  3-18-5-1-13

ii.                 Using the second code:

ZOO GSV YVHG

REVISION 2

SUBTRACTION

NAME:                                                                                      TIME: 40mins

CLASS:4

1.     Subtract:

i.                   18236 from 700000.

ii.                 537524 from 825302.

2.     Fill in the blanks:

i.                   394502 - _____ = 394502.

ii.                  Minuend- subtrahend= ___________.

iii.              5 tens + 9 ones = 4 tens + ______ ones.

iv.              2586 – 1200 = 1200 - _________.

v.                 8  3   4  2  5

           -      ___  3___    3 __

            __________

3.     Estimate:

i.                   8534 - 2588 to the nearest 100.

ii.                 487 – 434 to nearest 10.

4.     What is the difference between the smallest six-digit whole number and the greatest 4-digit whole number?

5.     A free medical camp was conducted in Mexico. 1278 males participated in the camp. The entry book shows 4012 people participated in the camp. Find the number of females who participated.