Skills available for
Pennsylvania first-grade math standards
Standards
are in bold, followed by a list of the IXL math
skills that are aligned to that
standard.
Students can practice
these skills
online at www.ixl.com.
Standards: Pennsylvania Core Standards
1.CC.2.1.1 Numbers and Operations
1.CC.2.1.1.A Counting & Cardinality
1.CC.2.1.1.B Number & Operations in Base Ten
1.CC.2.1.1.B.1 Extend the counting sequence to read and write numerals to represent objects.
Counting review - 0 to 10 (1-A.1)
Counting review - up to 20 (1-A.3)
Counting - up to 30 (1-A.5)
Counting - up to 100 (1-A.6)
1.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)
Counting by tens - up to 100 (1-A.7)
Counting tens and ones - up to 99 (1-A.8)
Number lines (1-A.12)
Counting on the hundred chart (1-A.13)
Hundred chart (1-A.14)
Comparing - review (1-K.1)
Comparing numbers up to 10 (1-K.2)
Comparing numbers up to 100 (1-K.3)
Comparison word problems (1-K.4)
Place value models up to 20 (1-M.1)
Write numbers as tens and ones up to 20 (1-M.2)
Place value models up to 100 (1-M.3)
Convert between tens and ones (1-M.4)
Write numbers as tens and ones (1-M.5)
Put numbers in order (1-V.3)
1.CC.2.1.1.B.3 Use place value concepts and properties of operations to add and subtract within 100.
Add a one-digit number to a two-digit number - without regrouping (1-D.17)
Regrouping tens and ones I (1-D.18)
Regrouping tens and ones II (1-D.19)
Add a one-digit number to a two-digit number - with regrouping (1-D.20)
Add two multiples of ten (1-E.9)
Add a multiple of ten (1-E.10)
Subtract one-digit numbers from two-digit numbers (1-H.16)
Subtract multiples of 10 (1-I.3)
Subtract a multiple of 10 (1-I.4)
Ten more or less (1-J.8)
Add and subtract tens (1-J.9)
1.CC.2.2.1 Algebraic Concepts
1.CC.2.2.1.A Operations and Algebraic Thinking
1.CC.2.2.1.A.1 Represent and solve problems involving addition and subtraction within 20.
Add with pictures - sums up to 10 (1-B.1)
Addition sentences - sums up to 10 (1-B.2)
Adding zero (1-B.3)
Adding 1 (1-C.1)
Adding 2 (1-C.2)
Adding 3 (1-C.3)
Adding 4 (1-C.4)
Adding 5 (1-C.5)
Adding 6 (1-C.6)
Adding 7 (1-C.7)
Adding 8 (1-C.8)
Adding 9 (1-C.9)
Adding 0 (1-C.10)
Addition facts - sums up to 10 (1-D.1)
Addition sentences using number lines - sums up to 10 (1-D.2)
Ways to make a number - addition sentences (1-D.3)
Make a number using addition - sums up to 10 (1-D.4)
Complete the addition sentence (1-D.5)
Addition word problems - sums up to 10 (1-D.6)
Addition sentences for word problems - sums up to 10 (1-D.7)
Addition facts - sums up to 18 (1-D.8)
Addition sentences using number lines - sums up to 18 (1-D.9)
Addition word problems - sums up to 18 (1-D.10)
Addition facts - sums up to 20 (1-D.12)
Related addition facts (1-D.15)
Addition sentences: true or false? (1-D.16)
Add doubles - with models (1-E.1)
Add doubles (1-E.2)
Add doubles - complete the sentence (1-E.3)
Add using doubles plus one (1-E.4)
Add using doubles minus one (1-E.5)
Add three numbers (1-E.11)
Add three numbers - word problems (1-E.12)
Subtract with pictures - numbers up to 10 (1-F.1)
Subtraction sentences - numbers up to 10 (1-F.2)
Subtract zero and all (1-F.3)
Subtracting 1 (1-G.1)
Subtracting 2 (1-G.2)
Subtracting 3 (1-G.3)
Subtracting 4 (1-G.4)
Subtracting 5 (1-G.5)
Subtracting 6 (1-G.6)
Subtracting 7 (1-G.7)
Subtracting 8 (1-G.8)
Subtracting 9 (1-G.9)
Subtracting 0 (1-G.10)
Subtraction facts - numbers up to 10 (1-H.1)
Subtraction sentences using number lines - numbers up to 10 (1-H.2)
Ways to make a number - subtraction sentences (1-H.3)
Ways to subtract from a number - subtraction sentences (1-H.4)
Make a number using subtraction - numbers up to 10 (1-H.5)
Complete the subtraction sentence (1-H.6)
Subtraction word problems - numbers up to 10 (1-H.7)
Subtraction sentences for word problems - numbers up to 10 (1-H.8)
Subtraction facts - numbers up to 18 (1-H.9)
Subtraction sentences using number lines - numbers up to 18 (1-H.10)
Subtraction word problems - numbers up to 18 (1-H.11)
Related subtraction facts (1-H.14)
Subtraction sentences: true or false? (1-H.15)
Subtract doubles (1-I.2)
Addition and subtraction - ways to make a number (1-J.1)
Which sign makes the number sentence true? (1-J.2)
Addition and subtraction facts - numbers up to 10 (1-J.4)
Addition and subtraction facts - numbers up to 18 (1-J.5)
Addition and subtraction word problems (1-J.6)
Addition and subtraction sentences: true or false? (1-J.7)
1.CC.2.2.1.A.2 Understand and apply properties of operations and the relationship between addition and subtraction.
1.CC.2.3.1 Geometry
1.CC.2.3.1.A Geometry
1.CC.2.3.1.A.1 Compose and distinguish between two- and three-dimensional shapes based on their attributes.
Identify 2-dimensional shapes (1-O.1)
Identify 3-dimensional figures (1-O.2)
Geometry of everyday objects I (1-O.3)
Relate planar and solid figures (1-O.5)
Count sides and vertices (1-O.6)
Count edges, vertices, and faces (1-O.7)
Compare sides and vertices (1-O.8)
Compare edges, vertices, and faces (1-O.9)
Open and closed shapes (1-O.10)
Flip, turn, and slide (1-O.11)
Symmetry (1-O.12)
Same shape (1-O.13)
1.CC.2.3.1.A.2 Use the understanding of fractions to partition shapes into halves and quarters.
Halves, thirds, and fourths (1-N.1)
Equal parts (1-N.2)
Simple fractions: which shape matches the fraction? (1-N.4)
1.CC.2.4.1 Data Analysis and Probability
1.CC.2.4.1.A Measurement and Data
1.CC.2.4.1.A.1 Order lengths and measure them both indirectly and by repeating length units.
Compare objects: length and height (1-R.2)
Measure using objects (1-R.3)
1.CC.2.4.1.A.2 Tell and write time to the nearest half hour using both analog and digital clocks.
Match analog clocks and times (1-W.1)
Match analog and digital clocks (1-W.3)
Read clocks and write times (1-W.4)
1.CC.2.4.1.A.4 Represent and interpret data using tables/charts.
Record data with tally charts, picture graphs, tables (1-Q.1)
Interpret data in tally charts, picture graphs, tables (1-Q.2)