In maths we have been practising adding two 4 digit numbers when an exchange is required. We started by understanding the structure of the maths by using base 10 and then place value counters to represent the maths but we are now all working in the abstract using just digits.
Across school, we all set our column addition out in the same way with the exchange underneath the sum. We also cross out the exchange when we have added it (see example below).
We use stem sentences to help us think about the procedure we are undertaking.
The instructions we have written (and follow) as a class are below. We have them on our working wall to refer to if we get stuck.
Help at home: Challenge your child to teach you how we add two 4 digit numbers using the instructions above.