Learners hone their math skills with this add 5-digit and 3-digit numbers without regrouping worksheet. To find the missing number on this worksheet, students can utilize the count-on strategy or the connection between addition and subtraction. In add 5-digit and 3-digit numbers without regrouping worksheet, they do not need to regroup numbers to reach the solution. 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.