Question

I have read 21 pages of the 100 pages in my book. How many pages do i have left before i complete the book?

Answer 1

You have two numbers. Do you think you should
add?
subtract?
multiply?
divide?

What is your answer?

Answer 2

79?

Answer 3

Subtract

Answer 4

Yeah that is correct. 100 - 29 = 79.

Answer 5

Yes, 79.