Herr, Ted,.
Problem solving strategies : crossing the river with dogs and other mathematical adventures / Crossing the river with dogs Ted Herr, Ken Johnson. - Berkeley, Calif. : Key Curriculum Press, c1994. - viii, 370 pages : ill. ;.
Math text focusing on problem solving techniques.
1-55953-069-3 9781559530682
Problem solving.
Mathematics.
QA63 / .H37 1994
Problem solving strategies : crossing the river with dogs and other mathematical adventures / Crossing the river with dogs Ted Herr, Ken Johnson. - Berkeley, Calif. : Key Curriculum Press, c1994. - viii, 370 pages : ill. ;.
Math text focusing on problem solving techniques.
1-55953-069-3 9781559530682
Problem solving.
Mathematics.
QA63 / .H37 1994