Description
CARLOS AND THE OGRE OF THE SUBTRACTION SWORD
Book Summary
This educational story introduces children to the mathematical concept of subtraction in a visual and playful way. Through the story of Carlos and an ogre, young readers will associate the subtraction symbol with the ogre's sword and the action of taking away. A pedagogical resource created from teaching experience to facilitate early math learning.
What is it about?
Carlos faces an ogre carrying a horizontal sword, whose design resembles the subtraction symbol. Throughout the adventure, the ogre causes Carlos to lose several of his balls, thus associating the action of "taking away" with the function of subtraction. The story is designed so that the child visually recognizes the minus sign and understands its meaning through a simple and engaging narrative.
Main themes
- Early learning of subtraction as a mathematical operation.
- Recognition of the subtraction symbol through a visual image (the ogre's sword).
- Understanding subtraction as the action of taking away or decreasing a quantity.
- Use of children's narrative as a pedagogical resource in the classroom.
Who is it recommended for?
This book is aimed at children in preschool and early primary grades who are beginning to learn mathematics. It is also a useful resource for teachers, especially those specializing in therapeutic pedagogy, hearing, and language, who are looking for visual and practical materials to teach basic numerical concepts.
What this book provides
- Facilitates the visual association between the subtraction symbol and its function of taking away.
- Offers a playful and narrative approach to learning math.
- Helps children overcome initial difficulties in recognizing arithmetic operations.
- Provides a teaching resource validated by the author's teaching experience.
Technical data sheet
- Author: CAMACHO HURTADO, CRISTINA
- Publisher: DIEGO MARIN LIBRERO EDITOR SL
- Language: Spanish
- Subject: CHILDREN'S AND YOUNG ADULT FICTION AND TRUE STORIES
- Collection: O.VARIAS
- Binding: Paperback
- Publication date: February 2019
- Number of pages: 15
- Weight: 100 g
Editorial review
A short and functional story, specifically designed to support the learning of subtraction in the early stages of education. Its visual approach, by associating the mathematical symbol with a narrative element like the ogre's sword, makes it a practical tool for teachers and families looking to reinforce basic concepts in an enjoyable and accessible way.