Interactive 3D world for level 2.4. Hold Control or Command and drag to orbit or scroll to zoom. Touch users can drag or pinch.

Ctrl / ⌘ + drag to orbit · Ctrl / ⌘ + scroll to zoomDrag to orbit · Pinch to zoom

LESSON 2.4

Numbers and Text Add Differently

+ adds numbers but joins text: 40 + 2 and "40" + "2" are different operations.

Goal Predict what the program prints.

Write a Zirk program, then run it to see the world react.
Predict the program output
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