中1正負の数 計算問題

中1正負の数 計算問題 is an educational Android app designed for first-grade junior high school students to master the basics of positive and negative number calculations. With over 1000 challenging questions, it helps improve calculation skills across addition, subtraction, multiplication, division, and exponentiation. Unlike multiple-choice formats, this app requires manual input, enhancing learning. It serves as a strong foundation for future studies and prepares students for high school mathematics exams.