Interpretation of the compulsory questions of mathematics in grade three
An engineering team is going to build a road, and it is planned to start construction in June 2009 1 and complete it in April next year 1. How many days does this project take?
20 11April 1 -2009 10/month/
=20 10 16 1 -2009 10 1.
= 1 June
This step requires vertical subtraction.
One year =365 days
June =6×30= 180 days
Add and subtract big month and leap month = 1×5-2=3 days.