Children use their math skills to complete this subtract hundredths and thousandths less than 10 without regrouping worksheet. In this worksheet, students subtract decimals by aligning the decimal points and using zero as a placeholder. They do not need to regroup to find the difference. This worksheet is about practicing with the horizontal format in which numbers are written side by side. To develop flexibility with numbers and operations, students need to have enough practice in this format and not just rely on the vertical/column method.