Home Practice
For learners and parents For teachers and schools
Textbooks
Mathematics
Junior Secondary School 1 Junior Secondary School 2 Junior Secondary School 3
Full catalogue
Leaderboards
Learners Leaderboard Classes Leaderboard Schools Leaderboard
Pricing Support
Help centre Contact us
Log in

We think you are located in Nigeria. Is this correct?

We use this information to present the correct curriculum and to personalise content to better meet the needs of our users.

Chapter 7: Estimation and approximation