Browse by Stream
Discuss Doubts
Home
Search for Exam, Articles, Questions
get app
Go To Your Study Dashboard
  1. Home
  2. Estimate each of the following using general rule

Filters

Select Stream
Select Type
Select Exam
Select Subject
Select Chapter
Select Exercise
Q&A - Ask Doubts and Get Answers
Q
NCERT

Estimate each of the following using general rule

1. Estimate each of the following using general rule:
(a) 730 + 998      (b) 796 – 314       (c) 12,904 +2,888       (d) 28,292 – 21,496

Answers (1)
Views
H Harsh Kankaria

(a) 730 + 998     
By rounding off to hundreds,

730 rounds off to 700,

998 rounds off to 1000.

Required sum = 700+1000

= 1700

 

(b) 796-314

By rounding off to hundreds,

796 rounds off to 800,

314 rounds off to 300.

Required difference = 800-300

= 500

 

(c) 12904+2822

By rounding off to thousands,

2904 rounds off to 13000,

2822 rounds off to 3000.

Required sum = 13000+3000

= 16000

 

(d) 28,296 - 21, 496

By rounding off to nearest thousands,

28,296 rounds off to 28000,

21,496 rounds off to 21,000

Required difference = 28,000 - 21,000

= 7,000

Similar Questions

Related Chapters

Exams
Articles
Questions