Ann Roper
Funtastic Frogs Beginning Algebraic Thinking
Funtastic Frogs Beginning Problem Solving (Funtastic Frogs Activity Books)
Metric recipes for the classroom
Pegboard Math
Surface area & volume
The pattern factory : elementary problem solving through patterning
They Changed the World
Cooperative problem solving with animal attribute tiles
Cooperative problem solving with calculators
Cooperative problem solving with coins
Cooperative problem solving with dinosaur counters
Cooperative problem solving with fraction pieces