Scholastic 40 cross-number puzzles : addition & subtraction /
Olenych, Bob
Scholastic 40 cross-number puzzles : addition & subtraction / Bob Olenych. - New York : Scholastic Teaching Resources, 2004. - 48 p. : ill.: 27 cm. - Scholastic grades 4-6 .
English
0-439-51904-7
793.74 Ol25
Scholastic 40 cross-number puzzles : addition & subtraction / Bob Olenych. - New York : Scholastic Teaching Resources, 2004. - 48 p. : ill.: 27 cm. - Scholastic grades 4-6 .
English
0-439-51904-7
793.74 Ol25