What is the estimated value of (5,420 – 1,246), if each number is rounded off to the nearest 100?

What is the estimated value of (2,354 – 546), if each number is rounded off to the nearest 10?

Deepti subtracts 0 from 3,456 to get 3,456. Priya subtracts 1 from 1,839 to get 1,838. Who gets the correct answer?

Which of the following will give the predecessor of 8,564 as the answer?

In a school, 235 out of 436 students are boys. Type the total number of girls in the school.

Library A has 2,754 books. Library B has 3,263 books. Type the name of the library having more books and the number of extra books it has.

Type a word problem for 4,750 – 2,375.

Type the difference between 6,875 and 3,256 using estimation method by rounding off each number to the nearest 100.