This worksheet challenges young mathematicians to hone their math skills by solving a set of problems on subtracting 2 within 20. Students should learn how to subtract numbers once they have a solid understanding of addition. Subtract 2 within 20 worksheet offers a tonne of subtraction practice. In each problem, the numbers are laid out in the horizontal format. Students should try to use different strategies involving composing and decomposing numbers to solve these problems. This will help them develop flexibility and fluency.