Lesson 1 Practice Quizzes RED Quiz 1 RED Quiz 2 AMBER Quiz 3 GREEN Quiz 4 BLUE Extra Quiz Lesson 1 Practice Challenges Don’t log in to do the practice challenges Year 7 Year 7 1st Challenge Year 7 2nd Challenge Alt Challenge Year 8 Year 8 1st Challenge Year 8 2nd Challenge Alt Challenge Year 9 Year 9 1st Challenge Year 9 2nd Challenge Alt Challenge Lesson 2 National Challenge 2025 Bebras 2025