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Math Drills
Math Drills: Subtraction Worksheets
Download these worksheets to sharpen your subtraction skills. Sheets focus on single and multi-digit subtraction, subtracting across zeros and calculating complements, and subtracting in other base number systems.
Better Lesson
Better Lesson: Solving Subtraction Number Stories in Space
Students will be able to solve subtraction word problems using objects.
Shodor Education Foundation
Shodor Interactivate: Arithmetic Four
Students try to connect four game pieces in a row by answering whole number and integer problems. They can choose the difficulty level as well as addition, subtraction, multiplication, or division.