BrainSpark Lab Free Resource
Your Free Mystery Is Ready!
The Case of the Missing Spark Key is a 15–20 minute multiplication + division adventure for Grades 3–4.
For the cleanest printable copy, open each page image and print at full page size. Keep the educator answer key separate until students finish the case.
Page 1 — Case File
Page 2 — Multiplication Code
Page 3 — Division Trays
Page 4 — Final Investigation
Educator Answer Key — Click to Open
Keep the Spark Going ⚡
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