Coding · Grade 2
Create a Simple Puzzle
Second graders become puzzle designers for Bolt the robot. They plan a puzzle (start, pad, hedges, gems and a goal), check it is solvable and find its par (the fewest blocks), tune it to be harder or easier, and test it with a player, using feedback to improve it.
- 4 lessons
- About 75 minutes
- Puzzle design check: 8 questions
- Ways to answer: program with blocks, choose an answer, match pairs, type a number, put in order and sort into groups
What learners will discover
- Plan a robot puzzle with a start, a pad, hedges, gems and a clear goal for the player.
- Check that a puzzle can be solved and find its par, the fewest blocks a solution needs.
- Make a puzzle harder or easier on purpose by changing the map, the gems, the blocks or the block limit.
- Test a puzzle with a player and improve it using their feedback.
Lessons
-
Plan a puzzle 5 steps3 practiceabout 15 min
-
Is it solvable? 5 steps3 practiceabout 16 min
-
Make it harder or easier 5 steps3 practiceabout 15 min
-
Test with a player 6 steps2 practiceabout 14 min
-
Puzzle design check 8 questions at the end
Keep exploring
Games to practice with
- Robot RoutesSnap together arrow, repeat and dance blocks to guide Bolt the robot home.
- Bug DetectiveA robot program almost works. Run it, spot the buggy block, and fix it.
- Mini-Game StudioMake a tiny game with rule blocks, test-play it, and share it once it can be won.
More 2nd grade coding
- 2nd Grade Coding Worksheets10 printable worksheets
Guide for grown-ups
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