The Common Core in Pennsylvania

CC.2.1.K Numbers and Operations

• CC.2.1.K.A Counting & Cardinality

  • CC.2.1.K.A.1 Know number names and write and recite the count sequence.

    • Identify numbers - up to 3 (K-A.1)
    • Choose the number that you hear - up to 3 (K-A.)
    • Identify numbers - up to 5 (K-B.1)
    • Choose the number that you hear - up to 5 (K-B.)
    • What number comes next? - up to 5 (K-B.)
    • Identify numbers - up to 10 (K-C.1)
    • Choose the number that you hear - up to 10 (K-C.)
    • What number comes next? - up to 10 (K-C.)
    • Count up - up to 10 (K-C.22)
    • Number lines - up to 10 (K-C.26)
    • Before, after, and between - up to 10 (K-C.27)
    • Count forward - up to 10 (K-C.28)
    • Names of numbers - up to 10 (K-C.30)
    • Complete a sequence - up to 10 (K-C.31)
    • Identify numbers - up to 20 (K-D.1)
    • Count up - up to 20 (K-D.7)
    • Number lines - up to 20 (K-D.10)
    • Before, after, and between - up to 20 (K-D.11)
    • Count forward - up to 20 (K-D.12)
    • Names of numbers - up to 20 (K-D.14)
    • Complete an increasing sequence - up to 20 (K-D.15)

  • CC.2.1.K.A.2 Apply one-to-one correspondence to count the number of objects.

    • Learn to count to 3 (K-A.2)
    • Count pictures - up to 3 (K-A.3)
    • Count shapes - up to 3 (K-A.4)
    • Count on ten frames - up to 3 (K-A.7)
    • Represent numbers with pictures - up to 3 (K-A.9)
    • Represent numbers with shapes - up to 3 (K-A.10)
    • Learn to count to 5 (K-B.2)
    • Count pictures - up to 5 (K-B.3)
    • Count shapes in rows - up to 5 (K-B.4)
    • Count scattered shapes - up to 5 (K-B.5)
    • Count cubes - up to 5 (K-B.7)
    • Count dots - 0 to 5 (K-B.8)
    • Count on ten frames - up to 5 (K-B.10)
    • Represent numbers with pictures - up to 5 (K-B.12)
    • Represent numbers with pictures - 0 to 5 (K-B.)
    • Represent numbers with shapes - up to 5 (K-B.13)
    • Learn to count to 10 (K-C.2)
    • Count pictures - up to 10 (K-C.3)
    • Count dots - up to 10 (K-C.4)
    • Count shapes in rows - up to 10 (K-C.5)
    • Count scattered shapes - up to 10 (K-C.6)
    • Count shapes in rings - up to 10 (K-C.7)
    • Count blocks - up to 10 (K-C.8)
    • Count cubes - up to 10 (K-C.10)
    • Count on ten frames - up to 10 (K-C.12)
    • Represent numbers - up to 10 (K-C.14)
    • Tally marks - up to 10 (K-C.25)
    • Count to 20 (K-D.2)
    • Count dots - 0 to 20 (K-D.3)
    • Count on ten frames - up to 20 (K-D.4)
    • Represent numbers - up to 20 (K-D.6)
    • Tally marks - up to 20 (K-D.9)
    • Count blocks - up to 20 (K-D.17)

  • CC.2.1.K.A.3 Apply the concept of magnitude to compare numbers and quantities.

    • One more with pictures - up to 5 (K-B.14)
    • One more on frames - up to 5 (K-B.15)
    • One more - up to 5 (K-B.16)
    • One less with pictures - up to 5 (K-B.17)
    • One less on frames - up to 5 (K-B.18)
    • One more with pictures - up to 10 (K-C.15)
    • One more on frames - up to 10 (K-C.16)
    • One more - up to 10 (K-C.17)
    • One less with pictures - up to 10 (K-C.18)
    • One less on frames - up to 10 (K-C.19)
    • One more and one less with pictures - up to 10 (K-C.20)
    • One more and one less on frames - up to 10 (K-C.21)
    • Fewer and more - compare by matching (K-H.1)
    • Fewer and more - compare by counting (K-H.2)
    • Fewer and more - compare in a mixed group (K-H.3)
    • Fewer, more, and same (K-H.4)
    • Compare two numbers - up to 10 (K-H.6)
    • Put numbers up to 10 in order (K-R.11)
    • One less - up to 10 (K)
    • One more and one less - up to 10 (K)

• CC.2.1.K.B Number & Operations in Base Ten

  • CC.2.1.K.B.1 Use place value to compose and decompose numbers within 19.

    • Count blocks - up to 10 (K-C.8)
    • Count blocks - up to 20 (K-D.17)
    • Count tens and ones - up to 20 (K-E.1)
    • Write tens and ones - up to 20 (K-E.2)
    • Make teen numbers: words (K-E.3)
    • Take apart teen numbers: words (K-E.4)
    • Make teen numbers: addition sentences (K-E.5)
    • Take apart teen numbers: addition sentences (K-E.6)
    • Make and take apart teen numbers: addition sentences (K-E.7)

CC.2.2.K Algebraic Concepts

• CC.2.2.K.A Operations and Algebraic Thinking

  • CC.2.2.K.A.1 Extend the concepts of putting together and taking apart to add and subtract within 10.

    • Put together numbers using cubes - sums up to 5 (K-J.1)
    • Add with cubes - sums up to 5 (K-J.4)
    • Build cube trains to add up to 5 - addition sentences (K-J.5)
    • Add with pictures - sums up to 5 (K-J.6)
    • Addition sentences up to 5 - which model matches? (K-J.7)
    • Addition sentences up to 5 - what does the model show? (K-J.8)
    • Write addition sentences for pictures - sums up to 5 (K-J.)
    • Add two numbers - sums up to 5 (K-J.10)
    • Make a number using addition - sums up to 5 (K-J.11)
    • Complete the addition sentence - sums up to 5 (K-J.12)
    • Addition word problems with pictures - sums up to 5 (K-J.13)
    • Write addition sentences for word problems with pictures - sums up to 5 (K-J.)
    • Build cube trains to solve addition word problems - sums up to 5 (K-J.)
    • Addition word problems - sums up to 5 (K-J.14)
    • Model and write addition sentences for word problems - sums up to 5 (K-J.)
    • Put together numbers using cubes - sums up to 10 (K-K.1)
    • Decompose a number up to 10 (K-K.5)
    • Add with cubes - sums up to 10 (K-K.6)
    • Build cube trains to add up to 10 - addition sentences (K-K.7)
    • Add with pictures - sums up to 10 (K-K.8)
    • Addition sentences up to 10 - which model matches? (K-K.9)
    • Addition sentences up to 10 - what does the model show? (K-K.10)
    • Write addition sentences for pictures - sums up to 10 (K-K.)
    • Add two numbers - sums up to 10 (K-K.13)
    • Make a number using addition - sums up to 10 (K-K.14)
    • Complete the addition sentence - make 10 (K-K.15)
    • Complete the addition sentence - sums up to 10 (K-K.16)
    • Addition word problems with pictures - sums up to 10 (K-K.18)
    • Write addition sentences for word problems with pictures - sums up to 10 (K-K.)
    • Build cube trains to solve addition word problems - sums up to 10 (K-K.)
    • Addition word problems - sums up to 10 (K-K.19)
    • Model and write addition sentences for word problems - sums up to 10 (K-K.)
    • Take away cubes - numbers up to 5 (K-L.1)
    • Subtract with cubes - numbers up to 5 (K-L.2)
    • Subtract with pictures - numbers up to 5 (K-L.3)
    • Subtraction sentences up to 5 - which model matches? (K-L.4)
    • Subtraction sentences up to 5 - what does the model show? (K-L.5)
    • Subtraction sentences up to 5 - what does the cube train show? (K-L.)
    • Subtract - numbers up to 5 (K-L.6)
    • Make a number using subtraction - numbers up to 5 (K-L.7)
    • Complete the subtraction sentence - numbers up to 5 (K-L.8)
    • Subtraction word problems with pictures - numbers up to 5 (K-L.9)
    • Write subtraction sentences for word problems with pictures - up to 5 (K-L.)
    • Use cube trains to solve subtraction word problems - up to 5 (K-L.)
    • Subtraction word problems - numbers up to 5 (K-L.10)
    • Model and write subtraction sentences for word problems - up to 5 (K-L.)
    • Take away cubes - numbers up to 10 (K-M.1)
    • Subtract with cubes - numbers up to 10 (K-M.2)
    • Subtract with pictures - numbers up to 10 (K-M.3)
    • Subtraction sentences up to 10 - which model matches? (K-M.4)
    • Subtraction sentences up to 10 - what does the model show? (K-M.5)
    • Subtraction sentences up to 10 - what does the cube train show? (K-M.)
    • Subtract - numbers up to 10 (K-M.6)
    • Make a number using subtraction - numbers up to 10 (K-M.7)
    • Complete the subtraction sentence - numbers up to 10 (K-M.8)
    • Subtraction word problems with pictures - numbers up to 10 (K-M.10)
    • Write subtraction sentences for word problems with pictures - up to 10 (K-M.)
    • Use cube trains to solve subtraction word problems - up to 10 (K-M.)
    • Subtraction word problems - numbers up to 10 (K-M.11)
    • Model and write subtraction sentences for word problems - up to 10 (K-M.)

CC.2.3.K Geometry

• CC.2.3.K.A Geometry

  • CC.2.3.K.A.1 Identify and describe two- and three-dimensional shapes.

    • Name the two-dimensional shape (K-W.1)
    • Circles (K-W.2)
    • Triangles (K-W.3)
    • Squares (K-W.4)
    • Rectangles (K-W.5)
    • Select two-dimensional shapes (K-W.7)
    • Curved parts (K-W.8)
    • Count corners (K-W.9)
    • Square corners (K-W.10)
    • Count sides (K-W.11)
    • Equal sides (K-W.12)
    • Count sides and corners (K-W.13)
    • Sort circles (K-W.)
    • Sort two-dimensional shapes (K-W.)
    • Name the three-dimensional shape (K-X.2)
    • Spheres (K-X.3)
    • Cubes (K-X.4)
    • Cones (K-X.5)
    • Cylinders (K-X.6)
    • Select three-dimensional shapes (K-X.7)
    • Shapes of everyday objects I (K-X.9)
    • Shapes of everyday objects II (K-X.10)

  • CC.2.3.K.A.2 Analyze, compare, create, and compose two- and three-dimensional shapes.

    • Compare sides and corners (K-W.14)
    • Compose two-dimensional shapes (K-W.17)
    • Flat and solid shapes (K-X.1)
    • Identify shapes traced from solids (K-X.8)

CC.2.4.K Measurement, Data, and Probability

• CC.2.4.K.A Measurement and Data

  • CC.2.4.K.A.1 Describe and compare measurable attributes of length, area, weight, and capacity of everyday objects.

    • Long and short (K-U.1)
    • Tall and short (K-U.2)
    • Light and heavy (K-U.4)
    • Holds more or less (K-U.5)
    • Compare size, weight, and capacity (K-U.6)
    • Measure length with objects (K-U.7)

  • CC.2.4.K.A.4 Classify objects and count the number of objects in each category.

    • Fewer and more - compare in a mixed group (K-H.3)
    • Classify shapes by color (K-R.4)
    • Sort shapes into a Venn diagram (K-R.10)