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The Case Review
Goblin Detective Agency · halfway check-in
Detective
Date
Goblin says
Halfway, detective. Look at you. Same deal as our very first week: just you and me, no hints, voice memo on, talking out loud the whole time.
These cases are cousins of the ones you met in Week 1. You have learned a lot of detective moves since then, so notice when one feels familiar. And remember, I am listening for your thinking, not your answers. Dead ends are still clues. Off we go.
Case 1🎙️ talk out loud
Ava is doing a reading challenge that needs 60 stars. She already has 12 stars, and she earns 4 stars for every book she finishes. She joined the library on Monday. How many more books does she need to finish to reach 60 stars?
My working
Answer:
Case 2🎙️ talk out loud
A phone battery is at 80%. It drops 6% for every hour Kelcy games on it. After how many hours of gaming will it be at 20%?
My working
Answer:
Case 3🎙️ talk out loud
At a bakery, one large loaf costs the same as two small rolls. Sam buys three large loaves and four small rolls for $40 in total. How much does one small roll cost?
My working
Answer:
Case 4🎙️ talk out loud
A game console costs $120. It is reduced by 30% in a sale. A voucher then takes another $10 off. How much is paid in the end?
My working
Answer:
Case 5🎙️ talk out loud
The perimeter of a rectangle is 48 cm. The length is three times the width. Find the length and the width.
My working
Answer: