Fractions and Powers
Product: Book
Trim size in cm: 10 x 10 x 12 cm
ISBN: 9788859050186
Publication date: 01/03/2026
Suitable for: Lower secondary 1st level (ages 10-11), Lower secondary 2nd level (ages 12-13)
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The perfect game for turning calculations with fractions and powers into an engaging, interactive activity. Prof in a Jar is designed to help boys and girls aged 11 and over solve calculations involving powers and fractions in a dynamic and enjoyable way. With simple yet effective mechanics, it stimulates reflection and logical reasoning, making learning a hands-on and motivating experience. The game can be played individually or in teams, encouraging collaboration and discussion.
How do you play? Players take turns drawing two cards, rolling the die and completing the indicated operation within the time set by the sand timer. The game is divided into three levels of difficulty (Explorers, Adventurers, Heroes of Numbers) and two phases: quick calculations and a creative final challenge. Points are awarded based on accuracy, independence and speed of completion.
The player or team with the highest score at the end of the game wins.
Objectives:
Learning to calculate with natural numbers, simple and complex fractions, powers, roots, decimal numbers and rational numbers.
• 90 cards
• 1 die
• 1 sand timer
• Instructions

HOW TO PLAY
Take turns to draw two cards and roll the dice, then perform the indicated operation within the time allowed by the hourglass. The game has three levels of difficulty (Explorers, Adventurers and Heroes of Numbers) and two phases: quick calculations and a final creative test. Points are awarded based on accuracy, independence, and speed of completion.
30 EXPLORERS number-cards
30 ADVENTURERS number-cards
30 number-cards HEROES OF NUMBERS
1 dice
+ addition
– subtraction
× multiplication
÷ division
^2 raise to the 2nd power
? the player chooses the operation
THE AUTHOR
Lino Pinna is a social animator, musician, film maker, storyteller and game designer. He has various publications to his credit: books, short films, documentary films, musical productions and educational games.