## Problem Solving Strategies: Crossing the River with Dogs : and Other Mathematical Adventures |

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algebra ANGIE answer ball bowl cancel Carl Gauss chapter chart clues column cows coyotes denominator digits dimes dogs draw ducks easier related problem eliminating possibilities equation example feet figure finite differences fluid ounces fraction function gallons golf graph guess guess-and-check High School inches ISAAC Jane X look loop magic square manipulatives Martin Gardner match math mathematics matrix miles per hour minutes multiply nickels Okay one-n-oes organize information ounces outfielders Pascal's triangle passenger-miles pattern person play players problem before continuing Problem Set problem-solving strategy region represent scores sequence shown solution solve problems solve this problem space square started subproblems substrategy subtract switch hitters systematic list teacher term tic-tac-toe total number tree diagram triangle unit analysis Venn diagram write y-value