A strategic way of understanding column addition...
Setting out addition into columns requires knowledge of place value.
This video will show you how to see place value as you add up.
When adding larger numbers up in a column, it is often difficult to understand why digits are carried over from units to tens, tens to hundreds and so on. Here is a commonly used strategy which has expanded column addition and place value at its core. Allowing quick column addition to be fully understood.
BBC Bitsze tips to help with adding up.
Interactive column addition from TopMarks.
Name & Registered Office: ED2ME LTD, CORNWALL, ENGLAND Company No. 09111713