In this addition worksheet, students complete a set of 30 problems, adding 4-digit numbers to 3-digit numbers. A website reference for additional activities is given.

In this finding the sums learning exercise, students add three-digits and four-digit numbers with regrouping on a page with fun clip art next to each problem. Students solve 15 problems.

In this finding the sums worksheet, students add three-digits and four-digit numbers with regrouping on a page with fun clip art next to each problem. Students solve 15 problems.