Children practice adding and subtracting tenths less than 100 without regrouping with this worksheet. While adding and subtracting decimals, students use the relationship between addition and subtraction to find the missing number. They do not need to regroup numbers in add and subtract tenths less than 100 without regrouping worksheet. In each problem, the numbers are laid out in the vertical format. In this format, pair of digits in each successive place are tackled one by one. This helps students follow a structured approach.