Skill updates

IXL is continually adding new skills and improving existing ones to offer fresh and exciting ways to learn. To accurately reflect the curriculum improvements, skill names and skill listings may be adjusted, but the permanent skill ID always stays the same. Use this page to discover new skills and find old favorites!

Math
Language arts
Science
Social studies
Spanish
Spanish language arts
Pre-K
Kindergarten
First
Second
Third
Fourth
Fifth
Sixth
Seventh
Eighth
Algebra 1
Geometry
Algebra 2
Precalculus
Calculus
Listing
Skill name and permanent skill ID
F.
→
F.5
Compare and order rational and irrational numbers EED
F.5
→
F.6
Checkpoint: Rational and irrational numbers SNE
F.6
→
F.7
Checkpoint: Approximate irrational numbers JHR
M.15
Solve equations with the distributive property
→
Solve equations using the distributive property 8RP
M.21
Create equations with no solutions or infinitely many solutions
→
Solve equations using the distributive property 7TY
S.
→
S.9
Determine if two figures are similar: justify your answer CWB
S.9
→
S.10
Similar triangles and indirect measurement 88W
S.10
→
S.11
Find missing side lengths in proportional triangles P5W
S.11
→
S.12
Checkpoint: Similarity transformations DYW
S.12
→
S.13
Checkpoint: Transformations on the coordinate plane WPB
CC.
→
CC.5
Rate of change of a linear function: tables 8FE
CC.5
→
CC.6
Rate of change of a linear function: graphs ZPF
CC.6
→
CC.7
Interpret the slope and y-intercept of a linear function H5B
CC.7
→
CC.8
Write a linear function from a table UYY
CC.8
→
CC.9
Compare linear functions: graphs and equations BQQ
CC.9
→
CC.10
Compare linear functions: tables, graphs, and equations N7D
CC.10
→
CC.11
Write linear functions: word problems YK6
CC.11
→
CC.12
Evaluate a linear function: word problems DA6
CC.12
→
CC.13
Checkpoint: Construct and interpret linear functions 3K7
CC.13
→
CC.14
Checkpoint: Compare linear functions XQJ