• Front Matter R1-R10

• Introduction 1-3

• The Challenge 4-4

• The Criteria 5-6

• The Caveats 7-7

• The Audience 8-8

• The Prototypes 9-11

• The Tryouts 12-12

• The Format 13-13

• The Protorubrics 14-15

• The Standards 16-18

• The Future 19-20

• The Prototypes 21-22

• Mystery Graphs 23-30

• The Checkers Tournament 31-42

• Bridges 43-52

• Hexarights 53-64

• Bowl-A-Fact 65-74

• Point of View 75-84

• The Quilt Designer 85-94

• How Many Buttons? 95-100

• The Taxman 101-114

• Lightning Strikes Again 115-124

• Comparing Grizzly Bears and Black Bears 125-132

• The Towers Problem 133-140

• The Hog Game 141-156

• Resources 157-160

• Mathematical Sciences Education Board 161-164

• Credits 165-166

" The Towers Problem ." Measuring Up: Prototypes for Mathematics Assessment . Washington, DC: The National Academies Press, 1993 .

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