Bridging the decade is a term used when counting across a multiple of ten (decade).

It is a useful strategy for mental addition and subtraction which builds on the knowledge of number bonds to 10 which is typically taught at Early Level.

This helpful video explains the process.

 

CURRICULUM LINK:

I can use addition,
subtraction, multiplication
and division when solving
problems, making best
use of the mental
strategies and written
skills I have developed.
MNU 1-03a

You may wish to find out more about:

Number Bonds