Weight Mystery Case File
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⚖️ Weight Mystery Case File
Top Secret — Group 3 Investigators Only
🕵️ The Mystery Briefing
A secret package has arrived at headquarters. Inside are four mystery items labelled Item A, Item B, Item C, and Item D. Nobody knows what they are or how heavy they are — except for the clues left behind by the sender!
Your mission: Use the scales, your measuring skills, and the clues below to identify the weight of each item and solve the mystery. Record all measurements carefully. Good luck, investigators!
🔍 Part 1: Measure & Record
Weigh each item using the scales. Record the weight in both grams and kilograms.
Item A: _________ g = _________ kg
Item B: _________ g = _________ kg
Item C: _________ g = _________ kg
Item D: _________ g = _________ kg
Our estimates were:
Very close Somewhat close Not very close🧩 Part 2: Crack the Clues
Use your measurements and the clues below to answer each question. Show your working!
Do they match?
Yes No Difference: _________ gIs the clue correct?
Yes NoHeaviest item: _______ Lightest item: _______ Does the clue check out?
Yes NoTotal weight: _________ g = _________ kg Is this between 2.5 kg and 3 kg?
Yes NoLightest → _______ _______ _______ _______ → Heaviest
📝 Part 3: Our Conclusion
a) Convert: 2,450 g = _________ kg 3.75 kg = _________ g
b) A parcel weighs 1.2 kg. A second parcel weighs 850 g. What is their combined weight in grams?
Answer: _________ g
c) One item weighs 1,100 g and another weighs 650 g. What is the difference in weight?
Answer: _________ g
⭐ Well done, investigators! Hand your Case File to your teacher when complete.
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