Let's recap the basic method for column addition with this video ... As always, start by adding the ones column. 4 + 6 = 10. Place a 0 in the ones column and carry 10 over to the tens column.

Fact families - addition and subtraction bonds to 20 Learn ... Subtracting more than 4-digit numbers Learn about the column method with this Maths guide to subtract more than 4-digit numbers.