Intermediate
40 mins
Teacher/Student led
+100 XP
Teacher-led from the board. Pupils do not need a device, but can follow on one.

ScratchJr: a Sequence with a Repeat

Pupils explore repeating patterns in dances and apply the idea in ScratchJr by building a sequence with a repeat block. They plan their actions first, test the program and explain the effect of the repeat.

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    1 - Getting Started ~3 mins

    The ScratchJr screen and its coding blocks, the thing the class will handle todayThink of a dance you know — hop, hop, hop, clap. Which part happens again and again?

    Key point

    Today we will put that same idea into ScratchJr with a special block called a repeat.

    2 - Today's Coding Word ~3 mins

    Close-up of the star word's object: the repeat block and its number windowOur star word today is repeat block.

    Key point

    A repeat block runs an action a set number of times. The number on the block tells it how many.

    We will also test: run the program and watch what happens.

    3 - Watch the Repeat Block ~6 mins

    How the hop block sits inside the repeat block after the start blockWatch the board. We will build a short hop sequence, then put the hop block inside a repeat block. Predict: how many times will the character hop?

    Then we will try a turn inside a repeat too, so you can choose hop or turn later.

    4 - Plan Our Hop or Turn ~4 mins

    Sit with the partner you are given. Tablets stay closed. Choose together: will your character hop or turn? Decide how many times the repeat should run. Say your plan out loud before anyone touches the tablet.

    Pupil practice · Investigation Journal
    Module 4 · Technology: Using Tech, Algorithms, Scratchjr and Robots
    Lesson 27 · ScratchJr: a Sequence with a Repeat
    Download Investigation Journal sheet (PDF)
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