Skills available for
Pennsylvania second-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
2.CC.2.1.2 Numbers and Operations
2.CC.2.1.2.A Counting & Cardinality
2.CC.2.1.2.B Number & Operations in Base Ten
2.CC.2.1.2.B.1 Use place-value concepts to represent amounts of tens and ones and to compare three digit numbers.
Comparing numbers up to 100 (Second grade - B.1)
Comparing numbers up to 1,000 (Second grade - B.2)
Put numbers up to 100 in order (Second grade - B.3)
Put numbers up to 1,000 in order (Second grade - B.4)
Greatest and least - word problems - up to 100 (Second grade - B.5)
Greatest and least - word problems - up to 1,000 (Second grade - B.6)
Inequalities with addition and subtraction - up to 100 (Second grade - L.14)
Place value models - tens and ones (Second grade - M.1)
Value of underlined digit - tens and ones (Second grade - M.4)
Regrouping tens and ones I (Second grade - M.7)
Regrouping tens and ones II (Second grade - M.8)
Convert to/from a number - tens and ones (Second grade - M.9)
2.CC.2.1.2.B.2 Use place-value concepts to read, write and skip count to 1000.
Skip-counting (Second grade - A.1)
Skip-counting sequences (Second grade - A.2)
Counting patterns - up to 100 (Second grade - A.3)
Number lines - up to 100 (Second grade - A.4)
Hundreds chart (Second grade - A.5)
Skip-counting stories (Second grade - A.11)
Skip-counting puzzles (Second grade - A.12)
Number lines - up to 1,000 (Second grade - A.13)
Counting patterns - up to 1,000 (Second grade - A.14)
Writing numbers up to 100 in words (Second grade - C.3)
Writing numbers up to 1,000 in words (Second grade - C.4)
2.CC.2.1.2.B.3 Use place-value understanding and properties of operations to add and subtract within 1000.
Add multiples of 100 (Second grade - I.1)
Add two three-digit numbers (Second grade - I.2)
Addition input/output tables - up to three digits (Second grade - I.3)
Addition word problems - up to three digits (Second grade - I.4)
Complete the addition sentence - up to three digits (Second grade - I.5)
Write the addition sentence - up to three digits (Second grade - I.6)
Balance addition equations - up to three digits (Second grade - I.7)
Subtract multiples of 100 (Second grade - J.1)
Subtract three-digit numbers (Second grade - J.2)
Subtraction input/output tables - up to three digits (Second grade - J.3)
Subtraction word problems - up to three digits (Second grade - J.4)
Complete the subtraction sentence - up to three digits (Second grade - J.5)
Write the subtraction sentence - up to three digits (Second grade - J.6)
Balance subtraction equations - up to three digits (Second grade - J.7)
2.CC.2.2.2 Algebraic Concepts
2.CC.2.2.2.A Operations and Algebraic Thinking
2.CC.2.2.2.A.1 Represent and solve problems involving addition and subtraction within 100.
Add multiples of 10 (Second grade - G.1)
Add a two-digit and a one-digit number - without regrouping (Second grade - G.2)
Add a two-digit and a one-digit number - with regrouping (Second grade - G.3)
Add two two-digit numbers - without regrouping (Second grade - G.4)
Add two two-digit numbers - with regrouping (Second grade - G.5)
Write addition sentences to describe pictures (Second grade - G.6)
Addition input/output tables - up to two digits (Second grade - G.7)
Ways to make a number using addition (Second grade - G.8)
Addition word problems - up to two digits (Second grade - G.9)
Complete the addition sentence - up to two digits (Second grade - G.10)
Write the addition sentence - up to two digits (Second grade - G.11)
Balance addition equations - up to two digits (Second grade - G.12)
Add three numbers up to two digits each (Second grade - G.13)
Add three numbers up to two digits each: word problems (Second grade - G.14)
Add four or more numbers up to two digits each (Second grade - G.15)
Subtract multiples of 10 (Second grade - H.1)
Subtract a one-digit number from a two-digit number - without regrouping (Second grade - H.2)
Subtract a one-digit number from a two-digit number - with regrouping (Second grade - H.3)
Subtract two two-digit numbers - without regrouping (Second grade - H.4)
Subtract two two-digit numbers - with regrouping (Second grade - H.5)
Write subtraction sentences to describe pictures - up to two digits (Second grade - H.6)
Subtraction input/output tables - up to two digits (Second grade - H.7)
Ways to make a number using subtraction (Second grade - H.8)
Subtraction word problems - up to two digits (Second grade - H.9)
Complete the subtraction sentence - up to two digits (Second grade - H.10)
Write the subtraction sentence - up to two digits (Second grade - H.11)
Balance subtraction equations - up to two digits (Second grade - H.12)
Add and subtract numbers up to 100 (Second grade - L.7)
Addition and subtraction - ways to make a number - up to 100 (Second grade - L.8)
Addition and subtraction word problems - up to 100 (Second grade - L.9)
Addition and subtraction - balance equations - up to 100 (Second grade - L.10)
Input/output tables - write the rule - up to 100 (Second grade - L.11)
2.CC.2.2.2.A.2 Use mental strategies to add and subtract within 20.