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Coding · Grade 3

Loops and Patterns

Third graders draw regular shapes with loops (repeat the sides, turn 360 divided by the number of sides), predict number patterns made by loops, use repeat until loops that stop on a condition (and spot ones that never stop), and find repeating parts in robot paths.

  • 4 lessons
  • About 80 minutes
  • Loops and patterns check: 8 questions
  • Ways to answer: fill in the blanks, program with blocks, choose an answer, put code in order, trace code and match pairs
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What learners will discover

  • Draw a regular shape with a loop: repeat once per side and turn 360 divided by the number of sides.
  • Predict the number pattern a loop makes, such as counting by 5 or doubling.
  • Trace a repeat until loop, including one whose condition never becomes true.
  • Find the repeating part of a robot path and program it with one loop.

Lessons

  1. Draw shapes with loops 5 steps3 practiceabout 16 min
  2. Number patterns from loops 5 steps3 practiceabout 15 min
  3. Repeat until 5 steps3 practiceabout 15 min
  4. Robot patterns 5 steps3 practiceabout 15 min
  5. Loops and patterns 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.
  • Sorting FactoryTurn a work order into if/else rules and watch the conveyor sort every item.

More 3rd grade coding

Guide for grown-ups