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 (First grade - A.1)
Counting review - up to 20 (First grade - A.2)
Counting - up to 30 (First grade - A.4)
Counting - up to 100 (First grade - A.5)
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 (First grade - A.3)
Counting by tens - up to 100 (First grade - A.6)
Counting tens and ones - up to 99 (First grade - A.7)
Number lines (First grade - A.11)
Counting on the hundred chart (First grade - A.12)
Hundred chart (First grade - A.13)
Comparing - review (First grade - G.1)
Comparing numbers up to 10 (First grade - G.2)
Comparing numbers up to 100 (First grade - G.3)
Comparison word problems (First grade - G.4)
Place value models up to 20 (First grade - I.1)
Write numbers as tens and ones up to 20 (First grade - I.2)
Place value models up to 100 (First grade - I.3)
Convert between tens and ones (First grade - I.4)
Write numbers as tens and ones (First grade - I.5)
Put numbers in order (First grade - R.2)
1.CC.2.1.1.B.3 Use place value concepts and properties of operations to add and subtract within 100.
Add tens I (First grade - B.24)
Add tens II (First grade - B.25)
Add a one-digit number to a two-digit number - without regrouping (First grade - B.26)
Regrouping tens and ones I (First grade - B.27)
Regrouping tens and ones II (First grade - B.28)
Add a one-digit number to a two-digit number - with regrouping (First grade - B.29)
Subtract tens I (First grade - D.18)
Subtract tens II (First grade - D.19)
Subtract one-digit numbers from two-digit numbers (First grade - D.20)
Ten more or less (First grade - F.8)
Add and subtract tens (First grade - F.9)
1.CC.2.1.1.C Number & Operations - Fractions
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.
Addition with pictures - sums to 10 (First grade - B.1)
Addition sentences - sums to 10 (First grade - B.2)
Addition sentences to 10 using number lines (First grade - B.3)
Addition word problems - sums to 10 (First grade - B.4)
Word problems - write the addition sentence (First grade - B.5)
Ways to make a number using addition (First grade - B.6)
Ways to make a number - addition sentences (First grade - B.7)
Adding zero (First grade - B.8)
Adding doubles using models (First grade - B.9)
Adding doubles (First grade - B.10)
Adding doubles - complete the sentence (First grade - B.11)
Addition facts - sums to 10 (First grade - B.12)
Addition sentences to 18 using number lines (First grade - B.13)
Addition facts - sums to 18 (First grade - B.14)
Addition word problems - sums to 18 (First grade - B.15)
Complete the addition sentence (First grade - B.16)
Adding three numbers (First grade - B.17)
Word problems - adding three numbers (First grade - B.18)
Related addition facts (First grade - B.19)
Add using doubles plus 1 (First grade - B.20)
Add using doubles minus 1 (First grade - B.21)
Addition facts - sums to 20 (First grade - B.22)
Addition sentences: true or false? (First grade - B.23)
Adding 0 (First grade - C.1)
Adding 1 (First grade - C.2)
Adding 2 (First grade - C.3)
Adding 3 (First grade - C.4)
Adding 4 (First grade - C.5)
Adding 5 (First grade - C.6)
Adding 6 (First grade - C.7)
Adding 7 (First grade - C.8)
Adding 8 (First grade - C.9)
Adding 9 (First grade - C.10)
Subtraction with pictures - numbers up to 10 (First grade - D.1)
Subtraction sentences - numbers up to 10 (First grade - D.2)
Subtraction sentences within 10 using number lines (First grade - D.3)
Subtraction word problems - one-digit numbers (First grade - D.4)
Word problems - write the subtraction sentence (First grade - D.5)
Ways to make a number using subtraction (First grade - D.6)
Ways to make a number - subtraction sentences (First grade - D.7)
Ways to subtract from a number - subtraction sentences (First grade - D.8)
Subtracting zero and all (First grade - D.9)
Subtracting doubles (First grade - D.10)
Subtraction facts - numbers up to 10 (First grade - D.11)
Subtraction sentences within 18 using number lines (First grade - D.12)
Subtraction facts - numbers up to 18 (First grade - D.13)
Subtraction word problems - numbers up to 18 (First grade - D.14)
Complete the subtraction sentence (First grade - D.15)
Related subtraction facts (First grade - D.16)
Subtraction sentences: true or false? (First grade - D.17)
Subtracting 0 (First grade - E.1)
Subtracting 1 (First grade - E.2)
Subtracting 2 (First grade - E.3)
Subtracting 3 (First grade - E.4)
Subtracting 4 (First grade - E.5)
Subtracting 5 (First grade - E.6)
Subtracting 6 (First grade - E.7)
Subtracting 7 (First grade - E.8)
Subtracting 8 (First grade - E.9)
Subtracting 9 (First grade - E.10)
Addition and subtraction - ways to make a number (First grade - F.1)
Which sign makes the number sentence true? (First grade - F.2)
Addition and subtraction facts - numbers up to 10 (First grade - F.4)
Addition and subtraction facts - numbers up to 18 (First grade - F.5)
Addition and subtraction word problems (First grade - F.6)
Addition and subtraction sentences: true or false? (First grade - F.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.