Join+Result+Unknown

= Join Result Unknown =

Modeling:
Strategy: Join all 5 + 8 = ? media type="file" key="Movie on 2010-10-28 at 08.58.mov" width="300" height="300"

Counting:
Strategy: Count on from first 5 + 8 = ? media type="file" key="Movie on 2010-10-28 at 09.19.mov" width="300" height="300"

Strategy: Count on from largest 8 + 5 = ? media type="file" key="Movie on 2010-10-28 at 09.28.mov" width="300" height="300"

Derived Facts:
Strategy: Number Facts 8 = 5 + 3 (decompose the 8) 5 + 5 --->10 + 3 ---> 13

media type="file" key="Movie on 2010-10-28 at 09.33.mov" width="300" height="300"