Year 4 CGP 10 Minute Weekly Workouts book, pages 18-19 and CGP Mental Workout book, page 10.

If you have the Year 3 books, please do pages 14-15 in the 10 Minute Weekly Workouts book and page 7 in the Mental Workout book.

If you have the Year 1`books, please do pages 8-9 in the 10 Minute Weekly Workouts book and page 4 in the Mental Workout book.