This subtract hundredths and thousandths less than 100 with regrouping worksheet consists of tasks to help your young mathematician develop fluency with subtraction. Students use the relationship between addition and subtraction to find the missing number while subtracting decimals. To reach the answer, they must also regroup the numbers in subtract hundredths and thousandths less than 100 with regrouping worksheet using the relationships between ones, tenths, hundredths, thousandths, etc.