Computing · Stage 5

Challenge: Trace a Flowchart

Programs & Judgement · computational thinking · read a flowchart, follow the arrows through every box and diamond, and predict where it ends

✦ Computing📘 Stage 5 · S5⏱ ~11 min🧒 Ages 9–10★ Free to start

I can follow a flowchart to predict the result.

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Kavi Traces the Robot's Flowchart

Kavi found a flowchart taped to the robot's back — a little map of boxes, diamonds and arrows that tells the robot exactly what to do. "I won't guess where it leads," Kavi hooted. Starting at ▶ START, Kavi followed one arrow at a time — doing each box and answering each diamond with Yes or No — until a single arrow pointed at the answer. "A flowchart never changes its mind," Kavi smiled. "Follow it carefully and you can always predict the result!"

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What your child will learn

1The four shapes in every flowchartA flowchart is a map of a plan. The shape of each part tells you its job, and the arrows show the order. Tap each shape to hear what it does — then you can follow any flowchart.

2Follow every arrow to the outputHere is a flowchart for a number machine. Press ▶ Run and do each part in order. At the diamond, answer the question and take the matching arrow — then read the OUTPUT at the end.

3Predict where the flowchart endsYour turn. Read each flowchart, start at START, and follow the arrows — do every box and answer every diamond — until you reach the result. Work it out in your head, then choose and reveal.

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A peek inside

A sorting flowchart: INPUT the number 8 → DECISION 'is it even?' → if Yes put it in Box A, if No put it in Box B. Which box does 8 end up in?

start → input 8 → at the diamond, 8 is even, so answer Yes → follow the YES arrow

Try this at home: In a flowchart, which shape asks a Yes/No question and has two arrows coming out of it?

Ready to play and learn?

Start the free interactive lesson, or print the handout for screen-free play.

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Part of Computing · Stage 5 · S5 on KAVI Academy — a secular, whole-child learning platform for ages 5–12.