Developmental Continuum for Understanding Addition.

Students Name

Counting all with models


Counting on by ones.(Number Line)


Counting on.

(Hundreds Chart)

1's    10's 

Addition using the Jump Strategy.

(Partial Sums)

1's    10's    100's

Addition using the W Method. 

(Partial Sums)

1's  10's 100's

Column addition working Left to Right 

(Partial Sums)

1's  10's 100's

Traditional Column Algorithm working Right to Left.