Add and Subtract Thousandths less than 100 with Regrouping: Horizontal Worksheet

Students understand that when adding or subtracting decimals, it is important to align the decimal points and use zeros as placeholders. In this worksheet, they also need to regroup numbers to get the result. 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.