Home
Practice
For learners and parents
For teachers and schools
Textbooks
Full catalogue
Leaderboards
Learners Leaderboard
Classes/Grades Leaderboard
Schools Leaderboard
Pricing
Support
Help centre
Contact us
Sign up
Log in
Log in
We think you are located in
United States
.
Is this correct?
Yes, I reside in United States
Change country/curriculum
Chapter 9: Using symbols
Textbooks
Mathematics JSS-1
Using symbols
Chapter 9: Using symbols
9.1 Open and closed number sentences
9.2 Solving open sentences that have variables
9.3 Using open sentences to solve problems