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Coding · Grade 2

Decisions and Conditions

Second graders learn that a condition is a true-or-false question, trace if-then-else programs where only one part runs, use conditions to build sorting machines (including a two-question sort), and write their own if-then-else rules.

  • 4 lessons
  • About 70 minutes
  • Decisions check: 7 questions
  • Ways to answer: fill in the blanks, choose an answer, put code in order, trace code, type a number and sort into groups
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What learners will discover

  • Tell whether a condition is true or false in a given situation.
  • Trace an if-then-else program: the then part runs when the condition is true, otherwise the else part.
  • Use conditions to sort things into groups, including with two questions in a row.
  • Write an if-then-else rule for an everyday or game situation.

Lessons

  1. True or false? 4 steps2 practiceabout 14 min
  2. If-then-else 6 steps4 practiceabout 16 min
  3. Sorting machines 4 steps2 practiceabout 15 min
  4. Write your own rules 5 steps2 practiceabout 15 min
  5. Decisions check 7 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

Guide for grown-ups