Add Hundredths and Thousandths less than 10 with Regrouping: Horizontal Addition Worksheet

Here students add decimals by aligning the decimal points and using zero as a placeholder. To find the sum, they must additionally regroup the numbers. 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.