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!

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Listing
Skill name and permanent skill ID
B.3
Add and subtract whole numbers up to billions
→
Add and subtract whole numbers 6J2
E.9
Divide by 2-digit numbers: estimate and adjust GZR
E.9
→
E.10
Divide by 2-digit numbers using models AJA
E.10
→
E.11
Divide by 2-digit numbers using partial quotients ASM
E.11
→
E.12
Divide 2-digit and 3-digit numbers by 2-digit numbers HMA
E.12
→
E.13
Divide 2-digit and 3-digit numbers by 2-digit numbers: word problems AJW
E.13
→
E.14
Divide 4-digit numbers by 2-digit numbers 35K
E.14
→
E.15
Divide 4-digit numbers by 2-digit numbers: word problems J8L
E.15
→
E.16
Adjust quotients 5FH
E.16
→
E.17
Relate multiplication and division VA6
E.17
→
E.18
Complete the division sentence: 2-digit divisors HMZ
E.18
→
E.19
Choose numbers with a particular quotient FBX
H.8
Evaluate numerical expressions with fractions 5S7
H.8
→
H.9
Missing operators
→
Numerical operations: find the missing sign 8TJ
H.10
Comparison statements with numerical expressions Q63
H.9
→
H.11
Make the largest possible quotient QMF
I.2
Use numerical expressions to solve multi-step word problems RLE
I.3
Represent multi-step problems using equations FZX
I.2
→
I.4
Multi-step word problems Z76
I.3
→
I.5
Multi-step word problems involving remainders XGE
I.4
→
I.6
Multi-step word problems: identify reasonable answers NNJ
I.5
→
I.7
Multi-step word problems: multiplicative comparison V59
L.
→
L.6
Add and subtract fractions with unlike denominators XHE
L.6
→
L.7
Add and subtract fractions with unlike denominators: word problems TCD
L.7
→
L.8
Add 3 or more fractions with unlike denominators PBF
L.8
→
L.9
Add 3 or more fractions: word problems BFQ
L.9
→
L.10
Complete addition and subtraction sentences with fractions FCA
L.10
→
L.11
Compare sums and differences of fractions ZH5
M.8
Add and subtract fractions and mixed numbers: multi-step word problems MQ9
M.8
→
M.9
Complete addition and subtraction sentences with mixed numbers PSP
M.9
→
M.10
Compare sums and differences of mixed numbers 9GK
N.9
→
N.8
Multiply two fractions using models UAY
N.9
Multiply fractions greater than one using models M76
R.9
Multiply fractions and mixed numbers: multi-step word problems GVN
T.8
Divide unit fractions and whole numbers using number lines BF7
V.3
Multi-step word problems with fractions and mixed numbers TYF
AA.3
Use properties to add three decimals LVK
AA.3
→
AA.4
Subtract decimal numbers using blocks V5T
AA.4
→
AA.5
Subtract decimal numbers SC8
AA.5
→
AA.6
Add and subtract decimal numbers 7VJ
AA.7
Use compensation to add and subtract decimals GCD
AA.6
→
AA.8
Add and subtract decimals: word problems 35U
AA.7
→
AA.9
Choose decimals with a particular sum or difference ARW
AA.8
→
AA.10
Complete the decimal addition or subtraction sentence ZKV
AA.9
→
AA.11
Compare sums and differences of decimals QEM
AA.10
→
AA.12
Number sequences involving decimals H73
AA.11
→
AA.13
Estimate sums and differences of decimals using rounding YGG
AA.12
→
AA.14
Estimate sums and differences of decimals using benchmarks CHE
CC.2
Multiply a decimal by a one-digit whole number: tenths or hundredths 2TZ
CC.2
→
CC.3
Multiply a decimal by a one-digit whole number using blocks U5Q
CC.3
→
CC.4
Multiply a decimal by a one-digit whole number using the distributive property 9BA
CC.4
→
CC.5
Multiply a decimal by a one-digit whole number XNY
CC.5
→
CC.6
Multiply a decimal by a two-digit whole number using area models VNT
CC.6
→
CC.7
Multiply a decimal by a multi-digit whole number PGM
CC.7
→
CC.8
Multiply decimals and whole numbers: word problems 83A
CC.8
→
CC.9
Multiply three or more numbers, one of which is a decimal ZNW
DD.2
Complete the decimal multiplication sentence using grids
→
Multiply decimals less than one using grids R9T
DD.5
Multiply decimals using area models RH8
DD.5
→
DD.6
Multiply two decimals: products up to hundredths FLL
DD.6
→
DD.7
Multiply two decimals: products up to thousandths TDG
DD.7
→
DD.8
Decimal multiplication: compare products up to hundredths 7NN
DD.8
→
DD.9
Decimal multiplication: compare products up to thousandths B88
FF.4
Divide decimals by whole numbers using place value TDC
FF.5
Divide decimals by whole numbers without adding zeros XDZ
FF.4
→
FF.6
Division with decimal quotients J9Z
FF.5
→
FF.7
Division with decimal quotients and rounding M9X
FF.6
→
FF.8
Division with decimal quotients: word problems Z2X
FF.9
Divide by decimals using place value QWG
FF.7
→
FF.10
Divide by decimals without adding zeros RTS
FF.8
→
FF.11
Divide by decimals 8FT
GG.3
Add, subtract, multiply, and divide decimals: multi-step word problems ZE2
GG.3
→
GG.4
Equations with mixed operations: true or false QR9
HH.12
Convert time units CXF
JJ.2
Compare and convert metric units of weight
→
Compare and convert metric units of mass TM9
JJ.6
→
JJ.5
Conversion tables - metric units 7QS
JJ.7
→
JJ.6
Convert metric mixed units LCG
JJ.8
→
JJ.7
Add and subtract metric mixed units 6LL
JJ.9
→
JJ.8
Multi-step problems with metric unit conversions X5T
JJ.10
→
JJ.9
Multi-step problems with customary or metric unit conversions ST6
LL.4
Graph triangles and quadrilaterals 5ZC
LL.4
→
LL.5
Graph points from a table HWV
LL.5
→
LL.6
Use a rule to complete a table and a graph N9B
LL.6
→
LL.7
Analyze graphed relationships SMY
LL.7
→
LL.8
Coordinate planes as maps ZBD
LL.8
→
LL.9
Follow directions on a coordinate plane XQR
NN.1
Interpret line plots
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Interpret line plots with whole numbers 79C
NN.2
Create line plots
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Create line plots with fractions ZBV
NN.4
Interpret line plots with fractions: multi-step problems Q2L
NN.4
→
NN.6
Interpret line graphs UFX
NN.8
→
NN.7
Create bar graphs A9F
NN.6
→
NN.8
Interpret bar graphs YW8
NN.7
→
NN.9
Interpret bar graphs: multi-step problems DGY
NN.11
→
NN.10
Create frequency charts
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Create frequency tables V7F
NN.9
→
NN.11
Interpret frequency charts: one-step problems
→
Interpret frequency tables: one-step problems UEK
NN.10
→
NN.12
Interpret frequency charts: multi-step problems
→
Interpret frequency tables: multi-step problems NJ7
NN.12
→
NN.14
Interpret stem-and-leaf plots BZL
NN.16
→
NN.15
Create scatter plots NDP
NN.14
→
NN.16
Interpret scatter plots GYV
NN.15
→
NN.17
Predictions and trends in scatter plots LPL
QQ.7
Pick all the names for a quadrilateral E97
QQ.7
→
QQ.8
Draw quadrilaterals VYE
QQ.8
→
QQ.9
Identify the relationships between quadrilaterals KCG
QQ.9
→
QQ.10
Describe relationships among quadrilaterals SZT
UU.2
Volume of rectangular prisms made of unit cubes: expressions Q84
UU.2
→
UU.3
Volume of rectangular prisms made of unit cubes WG8
UU.3
→
UU.4
Volume of rectangular prisms made of unit cubes: word problems QMA
UU.4
→
UU.5
Volume of cubes and rectangular prisms TFL
UU.5
→
UU.6
Volume of cubes and rectangular prisms: word problems NR6
UU.6
→
UU.7
Compare volumes and dimensions of rectangular prisms: word problems JP6
UU.8
Volume of cubes and rectangular prisms: multi-step word problems K84
UU.7
→
UU.9
Volume of compound figures J83
UU.8
→
UU.10
Volume of cubes and rectangular prisms with decimal side lengths RYY
UU.9
→
UU.11
Compare and apply cubic units L56
N.8
→
Multiply two fractions using models: fill in the missing factor
This skill has been removed.
JJ.5
→
Convert metric units involving decimals 2Q8