OVERVIEW OF P4 MATHS

P4 MATHS

OVERVIEW OF P4 MATHS

I  Fill in the blanks

1)  A number is divisible by 2 if the last digit is -----, -------, --------,   ----------,--------

2)  A number is divisible by 5 if the last digit is  --------  OR, ------- 

3) A number is divisible by 10 if the last digit is ---------

4) A number is divisible by 3 if the -----------of the digits is divisible by 3.

5)  A number is divisible by ----------------- if the sum of the digits is divisible by 9.

6)  A number is divisible by 4  if the number formed by the last  ------------------ digits is divisible by 4   OR     ends with  ___________

7)  A number is divisible by 6  if the number is divisible by __________ and __________

8)  Numbers more than 1 that have only 2 factors are called _________________.

9)  Numbers more than 1 that have  more than factors are called_______________.

10) _____________ has only one factor .

11) __________ is neither prime nor composite

12)___________ is the only even prime  number,

13) The smallest prime number is _______________

14) The smallest composite number is ________________.

15) When the factors of a number  are all prime  are called _________________.

16) Common factor of 2,4, is ______________________.

17)  The _________of 2 numbers is the greatest  number that divides both the numbers without leaving       any remainder.

18) The HCF of given numbers can not be _______________ than any one of the numbers.

Circle the numbers

1) Divisible by 2-----  15, 28, 40,11,7,136

2 Divisible by 5-----    35, 60,151,184,200

3) Divisible by 10---   105, 210, 88, 90,125

4 Divisible by 3----    85, 90,162,180

5) Divisible by 9 -----     81,102,131,405

6) Divisible by 4---        60,82,98,106,400

7) Divisible by 6----      75,80,120,150,210

Use division method of find the prim factors of these composite number.

a) 51   b) 90   c) 32   d) 45

e) 62   f) 72    g) 80

Find the common factors of these numbers.

a)9,18  

b)4, 20  

c) 40 ,50 

d) 35 ,60

e) 16 ,40

Find the HCF of these numbers by using division method.

a) 16 ,20 

b) 25 ,30 

c) 28 ,33 

d) 30 40 

e) 32 ,48.

fill in the blanks

1)  A number is a multiple of_______________

2) Every number is a multiple of ________________

3) Every multiple of a number is ______________  than OR equal to the  number itself.

4) There is no end to the ___________________ of a number,

5) The _________ of 2 OR more numbers is the smallest number that can be divided by  those numbers without leaving a remainder.

6) LCM of 2,8,  is ______________

 Find  3 common multiples of the following numbers.

a) 8, 12    b) 5, 15   c) 3, 4, 6

Find the LCM of these numbers 

1) 16, 20   2) 15, 25   3) 45 ,60

4) 15, 56   5) 28 ,36

1) A 7-digit number begins at the ___________________ place.

2) An 8 digit number begins at the ___________________ place.

3) 1 core = _______________ lakhs

4)  The number with more digits is the ________________ number.

5) There are ________________   two digit numbers.

6) There are ________________   three digit numbers.

7) There are ________________    four digit numbers.

8) The place value of 6 in 4,36,728 is ______________

9) The international system has _________________ places in each period.

10)  In Indian system and international system the only period which has same number of places is _____________   

  11)   1 million = ______________ lakhs.

12)  One crore = _________________ lakhs.

13)  When we round a number to the nearest 10, we use the nearest ____________________

14)  When we round a number to the nearest 1000, we use the nearest ____________________

15)  7750 rounded to the nearest hundred is __________________ 

Give the word form and the expanded notation for these numbers 

A)  67,43,905,

 B) 8,27,10,513

C) 45, 00,908

Write in figures 

A)  Nine lakh thirty thousand six

B) Forty lakh two hundred sixteen   

C) Two hundred six thousand, five hundred 

D) Eight crore twenty seven lakh and seven

E) One million, three thousand and six hander four

IV Give the place value of the under lined digits

A)  70, 42,955

B) 4, 39,006

C) 9, 00,843

Compare using  < ,> , = sign

A)  7,48,396 _______   7,84,390

B) 6, 04,375 ________   9,04,955

C) 8, 20,40,819 ________ 80,40,820

D) 4,80,97,510 _________ 4,80,39,510

  Make the smallest possible 7 digit   number by repeating digits .

A) 6, 2, 0, 4, 9 

B) 8, 4, 5, 7, 3

Make the smallest and greatest possible  8 digits number by repeating the digits.

A) 3, 6 9, 8, 4, 0 , 5

B) 1 , 7 , 4 , 5, 8, 3

Give the number before 

A) 40,39,718

B) 14, 32,500

C) 10,39,700

Give the number after

A)  4, 29,399

B) 89, 99,009

C) 1, 98 ,17,200 

Round  to the nearest  10

A) 1349                                            B) 2842                                            C) 90235

Round  to the nearest  100

A) 7348                                                 B) 10244                                             C)56813

Round to the nearest 1000

A) 4428                                       B) 15396                                                      C)94582

1) The numbers we add are called -------------------------------------

2) The number we subtract from is called ----------------------------------------

3) The number we subtract is called ---------------------------------------

4) In 3456-1540 the minuend is --------------------------------

5) In 4545-3000 the subtrahend is ------------------------------------------------

6) 20450+0 = ------------------------

Compiled from the questions used over the years