Class - 4 || Unit - 1 || Among Four Digit Numbers || Mathematics || Whiteboardweb

 

 

Touch here 👆
 

 

 

 

Unit - 1

 

Among Four Digit Numbers

 

 

 

 

 

1) Biggest one digit number ---9

 

 

2)Smallest two digit number---10

 

 

3)Biggest two digit number---99

 

 

4)Smallest three digit number---100

 

 

5)Biggest three digit number---999

 

 

6)Smallest four digit number---1000

 

 

  When we add one to the biggest three digit number(999) we get smallest  four  digit number(1000)

How many hundreds are in thousand?

10 hundreds are in 1000

 

 

100

 

 

100+100=200

 

 

100+100+100=300

 

 

100+100+100+100=400

 

 

100+100+100+100+100=500

 

 

100+100+100+100+100+100=600

 

 

100+100+100+100+100+100+100=700

 

 

100+100+100+100+100+100+100+100=800

 

 

100+100+100+100+100+100+100+100+100=900

 

 

 100+100+100+100+100+100+100+100+100+100=1000

Ammu's father bought two  umbrellas for 300 rupees each,15 notebooks at 10 rupees each and other items for 250 rupees.What is the total cost?

 

 

 Cost of an umbrella : 300 rupees

Cost of two umbrellas :

300 + 300 = 600

 

 

Cost of 15 notebooks :

 

10 x 10 = 100

 

10 x 5 = 50

 

100 + 50 =150 rupees

 

 

Cost of other items =250 rupees

 

 

Total cost = ------ 

 

Father has only 100 rupee notes with him.How many notes should he give?

How many ?