Based on the description, it can be seen that the reasoning ability is very important for students. If students are able to use their reasoning abilities to the maximum, students can easily understand, abstract, classify, and associate concepts that exist in mathematics. Conversely, if students have not used their reasoning abilities to the fullest, students will have difficulty understanding, abstracting, classifying, and associating concepts that exist in mathematics.
The abilities that must be achieved in mathematics learning are 1) mathematical reasoning ( reasoning and proof), 2) mathematical representation (representation ), 3) mathematical communication (communication), 4) mathematical connections (connections), and 5) problem solving (problem-solving). Of the five standards, there are mathematical reasoning. One of the goals of mathematics learning in schools is so that students are able to use reasoning on patterns and traits, make mathematical manipulations in generalizing, compiling evidence, or explaining mathematical ideas and statements.
Seeing the development of the world ‘s advanced science and technology, each individual must be able to balance and adjust to existing conditions. Through education, humans become more qualified and virtuous, so that they are useful for other humans. Therefore, education plays an important role in the survival of the nation and state.
Fun learning strategy (joyful learning ) is a learning system that seeks to arouse interest, full involvement, and the creation of meaning, understanding, happy values for students, joyful learning strategies there are 4 stages: 1. Preparation, 2. Submission, 3. Training, 4. Cover. Humor in learning is communication carried out by educators using the insertion of words, language, and images that are able to tickle students to laugh, in the stage of delivery and training on joyful learning strategies used cartoon humor, images and teaching materials that are inserted or used in the subject matter.