Karen Economopoulos

• Arrays and shares
• Coins, coupons, and combinations
• How Many in All?; Counting and the Number System; Grade Level K (Investigations in Number, Data, and Space)
• Investigations in Number, Data and Space
• Investigations in number, data, and space
• Investigations in Number, Data, and Space (Grades K, 1 and 2)
• Making shapes and building blocks
• Packages and groups
• Putting together and taking apart
• Coins, Coupons, and Combinations (Investigations in Number, Data, and Space)
• Collecting, Counting, and Measuring
• Collecting, Counting, and Measuring (Developing Number Sense, Kindergarten)