The following videos may help you see the written methods in action.
New - video will be added shortly.
IXL written method questions that may support learning:
Year 3: Addition two digits G.1 to G.14, Addition three digits I.1 to I.14
Year 4: Addition C.1 to C.16
Year 5: Addition B.1 to B.9
Year 6: Addition and subtraction B.1 to B.9