Subtracting 3-digit numbers in columns - K5 Learning These grade 3 math worksheets focus on subtracting 3-digit numbers in columns. Students will need to use regrouping. Worksheet #1 Worksheet #2 Worksheet #3 Worksheet #4 Worksheet #5 Worksheet #6 5 More Similar: Subtracting 4-digit numbers Subtracting - borrowing across two zeros More subtraction worksheets