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Common Core Mathematics K-2


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Kindergarten
 Know number names and the count sequence.
 Count to tell the number of objects.
 Compare numbers.
 Understand addition as putting together and adding to, and understand subtraction as taking apart and taking from.
 Work with numbers 11–19 to gain foundations for place value.
 Describe and compare measurable attributes.
 Classify objects and count the number of objects in each category.
 Identify and describe shapes (squares, circles, triangles, rectangles, hexagons, cubes, cones, cylinders, and spheres).
 Analyze, compare, create, and compose shapes.
Grade 1
 Represent and solve problems involving addition and subtraction.
 Understand and apply properties of operations and the relationship between addition and subtraction.
 Add and subtract within 20.
 Work with addition and subtraction equations.
 Extend the counting sequence.
 Understand place value.
 Use place value understanding and properties of operations to add and subtract.
 Measure lengths indirectly and by iterating length units.
 Tell and write time.
 Represent and interpret data.
 Reason with shapes and their attributes.
Grade 2
 Represent and solve problems involving addition and subtraction.
 Add and subtract within 20.
 Work with equal groups of objects to gain foundations for multiplication.
 Understand place value.
 Use place value understanding and properties of operations to add and subtract.
 Measure and estimate lengths in standard units.
 Relate addition and subtraction to length.
 Work with time and money.
 Represent and interpret data.
 Reason with shapes and their attributes.