Does your child know how to add and subtract different decimal places less than 10? Invite them to practice this concept here. When adding or subtracting decimals on this worksheet, students align the decimal points and use zero as a placeholder. Then to find the missing number in the add and subtract different decimal places less than 10 worksheet, students then apply the relationship between addition and subtraction. 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.