Curated OER
Addition - Three Digit Addends
For this addition worksheet set, students find the sums in 480 horizontal addition problems. They work with three digit addends and some of the problems require regrouping.
Curated OER
Adding Two-and Three-Digit Numbers
In this addition worksheet, 4th graders solve word problems as well as add two and three digit numbers together to solve 23 problems.
Curated OER
Addition of Three And Four Digit Numbers
In this addition worksheet, students focus on adding three and four digit numbers. Students complete 12 problems with some regrouping.