THE SERIES

Monstrous Problems at Hotel De Tenebris is a colorful and fun series of workbooks designed for primary school. Children must solve mathematical problems of consolidation and revision and discover the culprit of the crime along with the two protagonists Ombretta and Lupo.

What you will find in each volume:

The hotel map

The list of suspects

The sheet with the stickers

The grid in which to collect clues

THE CHARACTERS

Ombretta returns to Hotel De Tenebris.  She is already the protagonist of the successful series of workbooks for training mathematical skills in logic and problem solving: The mathematical mysteries of Villa Tenebra. Lupo will be accompanying her!

Ombretta

Lupo

THE VOLUMES IN THE SERIES

Monstrous problems at Hotel De Tenebris 1

Cleopatra’s Diadem

A new terrifying adventure begins at Hotel De Tenebris: who stole Cleopatra’s diadem?

Alternating a narrative part of a comic story with a part full of activities and exercises, this volume deals with the topics of the first grade teaching program:

• Addition and subtraction with number bonds;
• Addition and subtraction in stories;
• Problems and Venn diagrams;
• Number bonds of 10;
• Join, separate, add, remove, complete, find the difference, total and a part.
• Problems with geometric measurements;
• Skills underlying problem solving;
• Understanding, planning, executing and monitoring

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Monstrous problems at Hotel De Tenebris 2

The phantom cloak

A new terrifying adventure begins at Hotel De Tenebris: who stole Momo the phantom’s cloak?

Full of funny activities and exercises, and with a comic story, the second volume deals with the topics of the second-grade teaching programme:

• Number bonds
• Bar models
• Word problems involving the four operations and times tables
• Logic and flowchart-based problems
• Geometry problems
• Problems using non-standard units of measurement, euros, and time measurement
• Essential skills for problem-solving

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THE AUTHOR

Valeria Razzini primary school teacher, specialized in inclusive teaching. She was a trainer and teacher of Communication. She obtained her second degree in Primary Education Sciences from the University of Modena and Reggio Emilia and a master’s degree in Didactics and Psycho-pedagogy for specific learning disabilities. She has published essays and books on the many aspects of mathematics education.