Single Digit Subtraction QuizOnline version Quick single-digit subtraction challenges. by Arnab Biswas 1 What is 7 - 4? a 2 b 4 c 3 d 5 2 What is 9 - 5? a 4 b 6 c 3 d 5 3 What is 6 - 2? a 3 b 2 c 4 d 5 4 What is 8 - 3? a 6 b 4 c 5 d 7 5 What is 5 - 1? a 4 b 3 c 6 d 2 6 What is 9 - 9? a 3 b 0 c 2 d 1 7 What is 4 - 0? a 4 b 6 c 3 d 5 8 What is 3 - 1? a 1 b 3 c 0 d 2 9 What is 2 - 2? a 3 b 1 c 0 d 2 10 What is 7 - 0? a 6 b 8 c 5 d 7