Pyramid Math Puzzle Challenge: Can you fill in the missing

Condition - Very Good
The item shows wear from consistent use, but it remains in good condition and functions properly. Item may arrive with damaged packaging or be repackaged. It may be marked, have identifying markings on it, or have minor cosmetic damage. It may also be missing some parts/accessories or bundled items.

Pyramid Math Puzzle Challenge: Can you fill in the missing numbers?
Country USA
Brand Zishka Publishing
Manufacturer Zishka Publishing
Binding Paperback
UnitCount 1
EANs 9781941691274
ReleaseDate 0000-00-00

Pyramid Math Puzzle Challenge: Can you fill in the missing numbers?