Screen-free puzzles about how computers think, plus math and science.
Stop 1
Beginner robot
Divide and conquer
A hands-on, screen-free CS Unplugged lesson for ages 5-7 (about 30 minutes), part of the 'Searching algorithms' unit.
Stop 2
Beginner robot
Growing into a butterfly
A classroom activity linking the 'Sorting networks' unit with biology (ages 5-7). For an adult to run with children.
Stop 3
Beginner robot
How many guesses?
A hands-on, screen-free CS Unplugged lesson for ages 5-7 (about 30 minutes), part of the 'Searching algorithms' unit.
Stop 4
Beginner robot
Investigating variations using the Sorting Network
A hands-on, screen-free CS Unplugged lesson for ages 5-7 (about 30 minutes), part of the 'Sorting networks' unit.
Stop 5
Beginner robot
Reinforcing numeracy through a Sorting Network
A hands-on, screen-free CS Unplugged lesson for ages 5-7 (about 45 minutes), part of the 'Sorting networks' unit.
Stop 6
Beginner robot
Retelling a story
A classroom activity linking the 'Sorting networks' unit with speaking (ages 5-7). For an adult to run with children.
Stop 7
Beginner robot
Searching algorithms (unit)
A CS Unplugged unit with several hands-on, screen-free lessons about searching algorithms.
Stop 8
Beginner robot
Sorting networks (unit)
A CS Unplugged unit with several hands-on, screen-free lessons about sorting networks.
Stop 9
Beginner robot
Divide and conquer
A hands-on, screen-free CS Unplugged lesson for ages 8-10 (about 30 minutes), part of the 'Searching algorithms' unit.
Stop 10
Beginner robot
Drama or video activity
A classroom activity linking the 'Searching algorithms' unit with drama, art (ages 8-10). For an adult to run with children.
Stop 11
Beginner robot
How many guesses?
A hands-on, screen-free CS Unplugged lesson for ages 8-10 (about 30 minutes), part of the 'Searching algorithms' unit.
Stop 12
Beginner robot
Investigating variations using the Sorting Network
A hands-on, screen-free CS Unplugged lesson for ages 8-10 (about 30 minutes), part of the 'Sorting networks' unit.
Stop 13
Beginner robot
Music activity
A classroom activity linking the 'Searching algorithms' unit with music (ages 8-10). For an adult to run with children.
Stop 14
Beginner robot
Reinforcing numeracy through a Sorting Network
A hands-on, screen-free CS Unplugged lesson for ages 8-10 (about 45 minutes), part of the 'Sorting networks' unit.
Stop 15
Beginner robot
The Great Number Hunt (Sorted)
A hands-on, screen-free CS Unplugged lesson for ages 8-10 (about 45 minutes), part of the 'Searching algorithms' unit.
Stop 16
Beginner robot
The Great Number Hunt (Unsorted)
A hands-on, screen-free CS Unplugged lesson for ages 8-10 (about 30 minutes), part of the 'Searching algorithms' unit.
Stop 17
Beginner robot
Where is my hat?
A classroom activity linking the 'Searching algorithms' unit with writing (ages 8-10). For an adult to run with children.
Stop 18
Intermediate alien
Binary search trees
A hands-on, screen-free CS Unplugged lesson for ages 11-13 (about 45 minutes), part of the 'Data structures for searching' unit.
Stop 19
Intermediate alien
Data structures for searching (unit)
A CS Unplugged unit with several hands-on, screen-free lessons about data structures for searching.