Give your little one some practice building addition and subtraction skills with this add and subtract tenths and hundredths less than 10 with regrouping worksheet. Students use the relationship between addition and subtraction to find the missing number while adding or subtracting decimals. To reach the answer, they must also regroup the numbers in add and subtract tenths and hundredths less than 10 with regrouping worksheet using the relationships between ones, tenths, hundredths, thousandths, etc.