The Common Core in Pennsylvania

CC.2.1.1 Numbers and Operations

• CC.2.1.1.B Number & Operations in Base Ten

  • CC.2.1.1.B.1 Extend the counting sequence to read and write numerals to represent objects.

    • Counting review - up to 10 (1-A.1)
    • Counting review - up to 20 (1-A.3)
    • Count on ten frames - up to 40 (1-A.5)
    • Counting - up to 100 (1-A.10)
    • Counting forward - up to 120 (1-A.15)
    • Counting on the hundred chart (1-A.19)
    • Counting on a number chart - up to 120 (1-A.20)
    • Writing numbers in words - convert words to digits (1-A.30)
    • Writing numbers in words - convert digits to words (1-A.31)

  • CC.2.1.1.B.2 Use place value concepts to represent amounts of tens and ones and to compare two digit numbers.

    • Counting tens and ones - up to 20 (1-A.4)
    • Skip-counting by tens (1-A.8)
    • Counting tens and ones - up to 99 (1-A.11)
    • Number lines - up to 100 (1-A.17)
    • Counting on the hundred chart (1-A.19)
    • Hundred chart (1-A.21)
    • Comparing: more or fewer? (1-L.1)
    • Compare numbers up to 10 using words (1-L.2)
    • Use place value to compare numbers up to 100 (1-L.)
    • Compare numbers up to 100 using symbols (1-L.5)
    • Compare numbers up to 100: word problems (1-L.6)
    • Place value models up to 20 (1-N.1)
    • Write numbers as tens and ones up to 20 (1-N.2)
    • Place value models up to 100 (1-N.3)
    • Convert between tens and ones - multiples of ten (1-N.4)
    • Write numbers as tens and ones (1-N.5)
    • Put numbers in order - up to 100 (1-U.3)

  • CC.2.1.1.B.3 Use place value concepts and properties of operations to add and subtract within 100.

    • Use models to add a two-digit and a one-digit number - without regrouping (1-D.17)
    • Add a one-digit number to a two-digit number - without regrouping (1-D.18)
    • Regroup tens and ones - ways to make a number (1-D.19)
    • Regroup tens and ones (1-D.20)
    • Use models to add a two-digit and a one-digit number - with regrouping (1-D.21)
    • Add a one-digit number to a two-digit number - with regrouping (1-D.22)
    • Use models to add two-digit numbers - without regrouping (1-D.25)
    • Add two-digit numbers without regrouping - sums to 100 (1-D.26)
    • Use models to add two-digit numbers - with regrouping (1-D.27)
    • Add two-digit numbers with regrouping - sums to 100 (1-D.28)
    • Use models to add a multiple of ten and a one-digit number (1-E.11)
    • Add two multiples of ten (1-E.13)
    • Add a multiple of ten and a two-digit number (1-E.15)
    • Subtract one-digit numbers from two-digit numbers (1-H.18)
    • Subtract multiples of ten (1-I.5)
    • Subtract a multiple of ten (1-I.6)
    • Ten more or less (1-J.7)
    • Add and subtract tens (1-J.8)

CC.2.2.1 Algebraic Concepts

• CC.2.2.1.A Operations and Algebraic Thinking

  • CC.2.2.1.A.1 Represent and solve problems involving addition and subtraction within 20.

    • Addition word problems with pictures - sums up to 10 (1-D.5)
    • Write addition sentences for word problems with pictures - sums up to 10 (1-D.)
    • Build cube trains to solve addition word problems - sums up to 10 (1-D.)
    • Addition word problems - sums up to 10 (1-D.6)
    • Model and write addition sentences for word problems - sums up to 10 (1-D.)
    • Addition sentences for word problems - sums up to 10 (1-D.7)
    • Addition word problems - sums up to 20 (1-D.12)
    • Addition sentences for word problems - sums up to 20 (1-D.13)
    • Subtraction word problems with pictures - up to 10 (1-H.6)
    • Write subtraction sentences for word problems with pictures - up to 10 (1-H.)
    • Use cube trains to solve subtraction word problems - up to 10 (1-H.)
    • Subtraction word problems - up to 10 (1-H.7)
    • Model and write subtraction sentences for word problems - up to 10 (1-H.)
    • Subtraction sentences for word problems - up to 10 (1-H.8)
    • Subtraction word problems - up to 20 (1-H.13)
    • Subtraction sentences for word problems - up to 20 (1-H.14)
    • Word problems with one addend unknown - up to 10 (1-K.3)
    • Word problems with both addends unknown - up to 10 (1-K.4)
    • Word problems involving addition and subtraction - up to 10 (1-K.5)
    • Word problems involving addition and subtraction - up to 20 (1-K.6)
    • Comparison word problems up to 10 (1-K.11)
    • Comparison word problems up to 20 (1-K.)

  • CC.2.2.1.A.2 Understand and apply properties of operations and the relationship between addition and subtraction.

    • Add in any order (1-D.)
    • Complete the addition sentence - make ten (1-E.8)
    • Make ten to add (1-E.9)
    • Add three numbers - make ten (1-E.10)
    • Relate addition and subtraction sentences (1-I.1)
    • Use ten to subtract (1-I.)
    • Fact families (1-J.3)

CC.2.3.1 Geometry

• CC.2.3.1.A Geometry

  • CC.2.3.1.A.1 Compose and distinguish between two- and three-dimensional shapes based on their attributes.

    • Name the two-dimensional shape (1-W.1)
    • Select two-dimensional shapes (1-W.2)
    • Count sides and corners (1-W.4)
    • Compare sides and corners (1-W.5)
    • Open and closed shapes (1-W.8)
    • Flip, turn, and slide (1-W.9)
    • Compose two-dimensional shapes (1-W.11)
    • Two-dimensional and three-dimensional shapes (1-X.1)
    • Name the three-dimensional shape (1-X.2)
    • Cubes and rectangular prisms (1-X.3)
    • Select three-dimensional shapes (1-X.4)
    • Count vertices, edges, and faces (1-X.5)
    • Compare vertices, edges, and faces (1-X.6)
    • Identify shapes traced from solids (1-X.7)
    • Identify faces of three-dimensional shapes (1-X.8)
    • Shapes of everyday objects I (1-X.9)
    • Shapes of everyday objects II (1-X.10)

  • CC.2.3.1.A.2 Use the understanding of fractions to partition shapes into halves and quarters.

    • Equal parts - halves and fourths (1-Y.1)
    • Identify halves (1-Y.3)
    • Identify fourths (1-Y.5)
    • Identify halves and fourths (1-Y.6)
    • Make halves (1-Y.8)
    • Make fourths (1-Y.10)
    • Make halves and fourths (1-Y.11)
    • Make halves and fourths in different ways (1-Y.13)

CC.2.4.1 Measurement, Data, and Probability

• CC.2.4.1.A Measurement and Data

  • CC.2.4.1.A.1 Order lengths and measure them both indirectly and by repeating length units.

    • Compare objects: length and height (1-Q.2)
    • Measure length with objects (1-Q.7)
    • Measure length with cubes (1-Q.8)

  • CC.2.4.1.A.2 Tell and write time to the nearest half hour using both analog and digital clocks.

    • Match digital clocks and times (1-V.1)
    • Match analog clocks and times (1-V.2)
    • Match analog and digital clocks (1-V.3)
    • Read clocks and write times (1-V.4)

  • CC.2.4.1.A.4 Represent and interpret data using tables/charts.

    • Which picture graph is correct? (1-P.1)
    • Interpret picture graphs (1-P.2)
    • Which tally chart is correct? (1-P.3)
    • Interpret tally charts (1-P.4)
    • Which table is correct? (1-P.5)
    • Interpret data in tables (1-P.6)
    • Count shapes in a Venn diagram (1-U.1)
    • Sort shapes into a Venn diagram (1-U.2)