Sharpen your mind with the challenge of adding and subtracting positive and negative numbers! This fast-paced knockout-style maths quiz is designed for students of Standards 5–8 to strengthen their understanding of integers and sign rules. You’ll face 100 randomly generated questions involving numbers between −100 and +100. Each question must be solved within a 12-second timer — get one wrong, and the game ends! Keep playing to beat your best score and build longer streaks of correct answers. With its dynamic interface and instant feedback, this game helps learners master tricky negative-number operations through speed and accuracy.