Academy · French-speaking Switzerland · 3P · Mathematics
Le Mystère des quinze chats
Twelve cats yesterday, fifteen today—yet no cat has arrived. Count the portraits and help Sacha and Inès uncover what changed at the shelter.
The story
A mystery to solve
At the Tilleuls shelter, Sacha and Inès are preparing a board of cat portraits. Amira tells them that there are three more cats this morning, although none arrived overnight. Follow the clues, compare the groups and help them solve the surprise.
See 9 sample pagesInside the pack
What children practise
- Count groups and compare quantities.
- Compose and decompose numbers up to 20.
- Solve short addition and subtraction problems.
- Explain a method using pictures and numbers.
Learning scope
Curriculum and level
Selected Swiss PER 3P practice in counting and addition/subtraction problems within 0–20 (MSN 12 and MSN 13). An adult may read the story with the child. This is focused practice, not the complete mathematics curriculum.
Source guidelines
Formats and delivery
What does the digital PDF include?
38 pages in A4 + US Letter, with six missions and adult answers. Download the files through Gumroad and print them at home. This purchase does not include a physical book or shipping.
Three teacher documents included with the PDF
Alongside the illustrated book, this Academy PDF pack includes three separate classroom documents, all in French:
- The story and reading texts, without the activity questions.
- Illustrated questions and activities, with space for pupils to respond.
- A teacher guide with hints, worked answers and PER curriculum references.
The two pupil documents use Century Gothic 12 with generous spacing. These documents accompany the digital PDF purchase; they are not included with the printed book.
How is the printed book different?
The printed edition is a separate A5 colour paperback with 42 pages, ordered through Lulu. Its pagination differs from the PDF. Shipping charges and delivery estimates are confirmed by Lulu at checkout.
MystMind
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