This worksheet gives students an opportunity to apply the concepts of subtraction to subtract hundredths and thousandths less than 1 with regrouping. Students find the missing number while subtracting decimals by using the relationship between addition and subtraction. To reach the answer, they also use the relationship between ones, tenths, hundredths, thousandths, etc., To regroup the numbers in subtract hundredths and thousandths less than 1 with regrouping worksheet. 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.