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Coding · Grade 1

Loops Repeat Useful Work

First graders replace repeated blocks with repeat loops, trace programs with loops to predict what happens inside and after the loop, and use loops to do useful work for Bolt the robot: staircases, long snaking paths and rows of gems.

  • 3 lessons
  • About 60 minutes
  • Loops check: 6 questions
  • Ways to answer: program with blocks, choose an answer, put code in order, match pairs and type a number
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What learners will discover

  • Spot repeated blocks in a program and replace them with a repeat loop.
  • Predict what a program with a repeat loop does, including blocks inside and after the loop.
  • Use loops to solve robot tasks with few blocks.

Lessons

  1. Spot the repeat 4 steps2 practiceabout 14 min
  2. What will the loop do? 5 steps3 practiceabout 14 min
  3. Loops do useful work 5 steps3 practiceabout 16 min
  4. Loops check 6 questions at the end

Keep exploring

Games to practice with

  • Robot RoutesSnap together arrow, repeat and dance blocks to guide Bolt the robot home.

More 1st grade coding

Guide for grown-ups