Firefly & Fern

Alan G. Foster

Ages 12–15problem-solvingmathematical thinking

Suzanne H. Chapin, Mark Illingworth, Marsha S. Landau, Joanna O. Masingila, Leah McCracken

Ages 9–12problem-solvingmathematical thinking

Ages 8–10problem-solvingmathematical thinking

Ages 9–12problem-solvinglogical thinking

Ages 9–12problem-solvinglogical thinking

Ages 9–12problem-solvinglogical thinking

Kylene Beers

Ages 9–12literacylearning

Roberta N. Parker, Harvey C. Parker

Ages 7–13learning differencesacademic success

Ages 7–9problem-solvingnumeracy

Robyn Silbey, Ann Stein

Ages 8–10mathematicsproblem-solving

Randall I. Charles, Warren Crown, Francis Fennell

Ages 9–12problem-solvinglogical thinking

building confidence