Column form, 3 terms, #'s < 10,000
These column form addition questions have 3 addends and numbers up to 10,000. For "calculator practice, ask your student to check their answers using a calculator instead of the answer sheet.
Download Worksheet #1
Download Worksheet #2
Download Worksheet #3
Download Worksheet #4
Download Worksheet #5
Download Worksheet #6
Source: k5learning