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# Investigations and the Common Core:

Choose a grade level for information related to the Common Core State Standards at that grade. Resources include a correlation of the CCSS to the Investigations curriculum, a scope and sequence, information about changes to content and pacing, and sample materials from one Unit. Examples include a new Session, written to address CCSS-specific content, and a complete set of instructional plans from the same Unit, that detail the Session-by-Session changes in content and pacing in each Investigation.

## Kindergarten

Learn more about Investigations and the Common Core State Standards at Kindergarten. The sample Session, Roll and Record: Teen Numbers, is one of several Sessions focused on helping students see the teen numbers as one group of ten and some number of ones. It is designed to be incorporated at the end of the sixth Kindergarten unit, How Many Do You Have?: Addition, Subtraction, and the Number System. The instructional plans layout Session-by-Session changes to each Investigation in that unit.

Learn more about Investigations and the Common Core State Standards at first grade. The sample Session, How Many Cubes?, is one of several Sessions that focus on the place value of two-digit numbers. It is designed to be incorporated at the end of the eighth Grade 1 unit, Twos, Fives, and Tens: Addition, Subtraction, and the Number System 4. The instructional plans layout Session-by-Session changes to each Investigation in that unit.

Learn more about Investigations and the Common Core State Standards at second grade. The sample Session, How Many Hundreds?, is one of several Sessions that focus on the place value of three-digit numbers and on adding or subtracting 10 or 100 to/from a given number. It is designed to be incorporated at the end of the sixth Grade 2 unit, How Many Tens? How Many Ones?: Addition, Subtraction, and the Number System 3. The instructional plans layout Session-by-Session changes to each Investigation in that unit.

Learn more about Investigations and the Common Core State Standards at third grade. The sample Session, Same Area, Different Perimeter; Same Perimeter, Different Area, makes explicit ideas about area and perimeter that students have been encountering. It is designed to be incorporated in the fourth Grade 3 unit, Perimeter, Angles, and Area: 2-D Geometry and Measurement. The instructional plans layout Session-by-Session changes to each Investigation in that unit.

Learn more about Investigations and the Common Core State Standards at fourth grade. The sample Session, Multiplicative Comparison, introduces multiplication situations where one factor is a certain number of times larger, or smaller, than the other factor. It is designed to be incorporated in the first Grade 4 unit, Factors, Multiples, and Arrays: Multiplication and Division 1. The instructional plans layout Session-by-Session changes to each Investigation in that unit.