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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Spanish language arts

Listing

Skill name and permanent skill ID

Put numbers up to 100 in order LK6

Comparing numbers up to 1,000 XF9

Skip-counting by twos

Skip-count by twos LK2

Skip-counting by fives

Skip-count by fives VHG

Skip-counting by tens

Skip-count by tens 5PY

Skip-counting by fives and tens

Skip-count by fives and tens FVF

Skip-counting by twos, fives, and tens

Skip-count by twos, fives, and tens CBC

Count forward by fives, tens, and hundreds ET8

Count forward and backward by fives, tens, and hundreds R5A

Count forward and backward by twos, fives, tens, and hundreds HNG

Writing numbers up to 1,000 in words 2R7

Roman numerals I, V, X MJE

Addition sentences for even and odd numbers 7PR

Even or odd numbers on number lines S8E

Identify even and odd numbers - up to 100 RGJ

Select even and odd numbers - up to 100 JLX

Which even or odd number comes before or after? CJK

Add one-digit numbers

Add one-digit numbers - sums to 20 5C6

Sort addition facts - sums to 20 5QV

Addition word problems - sums to 20 EN6

Addition sentences for word problems - sums to 20 VSF

Complete the addition sentence - sums to 20 MQX

Balance addition equations - sums to 20 6LC

Which addition sentence is true?

Which addition sentence is true? - sums to 20 GMN

Add three one-digit numbers YCC

Addition word problems - three one-digit numbers VJ9

Add four or more one-digit numbers 77J

Addition word problems - four or more one-digit numbers 8NS

Count on and use ten to subtract - up to 20 SKQ

Subtract zero or all ZG2

Subtract a one-digit number from a two-digit number up to 18

Subtract a one-digit number from a two-digit number up to 20 HSU

Subtraction word problems - up to 18

Subtraction word problems - up to 20 2FD

Subtraction sentences for word problems - up to 18

Subtraction sentences for word problems - up to 20 AZ8

Complete the subtraction sentence - up to 18

Complete the subtraction sentence - up to 20 QS5

Balance subtraction equations - up to 18

Balance subtraction equations - up to 20 HFK

Which subtraction sentence is true?

Which subtraction sentence is true? - up to 20 UY2

Addition and subtraction sentences using number lines: up to 20

Addition and subtraction sentences using number lines - up to 20 7TD

Add and subtract numbers up to 20

Addition and subtraction - up to 20 QQP

Which addition or subtraction sentence is true?

Which addition or subtraction sentence is true? - up to 20 KP6

Use models to solve addition and subtraction word problems - up to 20 FXU

Addition and subtraction word problems - up to 20 75R

Write number sentences for word problems - up to 20 GXX

Match word problems to addition and subtraction sentences - up to 20 ZCU

Two-step addition and subtraction word problems - up to 20 H55

Solve word problems using guess-and-check - up to 20 SK5

Place value - tens and ones

Value of a digit - tens and ones RSH

Place value - up to hundreds

Value of a digit - up to hundreds BDF

Place value - up to thousands

Value of a digit - up to thousands 9WT

Regroup hundreds, tens, and ones - ways to make a number F6P

Guess the number TKV

Add multiples of 10

Add a multiple of 10 to a two-digit number NPQ

Add two-digit numbers vertically - sums to 100 LZJ

Addition word problems - up to two digits XAT

Ways to make a number using addition S5E

Complete the addition sentence - up to two digits CZK

Write the addition sentence - up to two digits 5FM

Balance addition equations - up to two digits NH7

Add two-digit numbers - sums to 200 GZY

Add two-digit numbers vertically - sums to 200 ELR

Add three numbers up to two digits each YTH

Addition word problems - three numbers up to two digits each 52T

Add four numbers up to two digits each DP6

Add three or four numbers vertically - up to two digits each UNB

Addition word problems - four numbers up to two digits each YSX

Use number lines to subtract two-digit numbers BA7

Break apart a two-digit number to subtract 9WW

Use compensation to subtract on a number line - up to two digits NFC

Use compensation to subtract - up to two digits 6TE

Count on to subtract two-digit numbers ZV7

Use models to subtract two-digit numbers - without regrouping SKW

Use models to subtract two-digit numbers - with regrouping EVB

Use place value to subtract two-digit numbers - without regrouping 6C6

Use place value to subtract two-digit numbers - with regrouping Y7U

Subtract multiples of 10

Subtract a multiple of 10 from a two-digit number 2Q6

Which sign (+ or -) makes the number sentence true?

Which sign (+ or -) makes the number sentence true? - up to 100 K7X

Relate addition and subtraction sentences - up to two digits 7NX

Complete the addition or subtraction sentence - up to 100 MTW

Balance addition and subtraction equations - up to 100 KSG

Which addition or subtraction equation is true? - up to 100 X2H

Write addition and subtraction sentences QPH

Inequalities with addition and subtraction - up to 100 PWY

Use models to solve addition and subtraction word problems - up to 100 KT7

Addition and subtraction word problems - up to 100 MEP

Match addition and subtraction word problems to equations - up to 100 VHC

Two-step addition and subtraction word problems - up to 100 7P8

Use number lines to add three-digit numbers CVM

Break apart a three-digit number to add M7S

Use compensation to add - up to three digits 89B

Use models to add three-digit numbers - without regrouping Q7V

Use models to add three-digit numbers - with regrouping KUG

Use expanded form to add three-digit numbers - without regrouping 2G7

Use expanded form to add three-digit numbers - with regrouping U9X

Use expanded form to add three-digit numbers XTU

Add 10 or 100 to a three-digit number K8E

Add multiples of 100

Add a multiple of 100 to a three-digit number 85Z

Add multiples of 10 or 100

Add a multiple of 10 or 100 to a three-digit number RCJ

Addition with three-digit numbers - without regrouping Y2U

Addition with three-digit numbers - with regrouping 7G7

Addition with three-digit numbers ETW

Add three-digit numbers vertically 7DG

Addition word problems - up to three digits UV2

Complete the addition sentence - up to three digits R5W

Write the addition sentence - up to three digits PQT

Addition up to three digits - fill in the missing digits 7AT

Balance addition equations - up to three digits 5U9

Use number lines to subtract three-digit numbers C75

Break apart a three-digit number to subtract CL8

Use compensation to subtract - up to three digits DMV

Use models to subtract from three-digit numbers - without regrouping 55T

Use models to subtract from three-digit numbers - with regrouping GHQ

Use expanded form to subtract three-digit numbers - without regrouping SXB

Use expanded form to subtract three-digit numbers - with regrouping R9F

Use expanded form to subtract three-digit numbers JBR

Subtract 10 or 100 from a three-digit number RXY

Subtract multiples of 100

Subtract a multiple of 100 from a three-digit number 2E2

Subtract multiples of 10 or 100

Subtract a multiple of 10 or 100 from a three-digit number VVM

Subtract across zeros 9G5

Subtract from three-digit numbers - without regrouping EFL

Subtract from three-digit numbers - with regrouping E8A

Subtract from three-digit numbers ZVR

Subtract from three-digit numbers vertically JRW

Subtraction word problems - up to three digits ZMA

Complete the subtraction sentence - up to three digits MDY

Write the subtraction sentence - up to three digits 5B3

Balance subtraction equations - up to three digits LSU

Break apart a three-digit number to add or subtract 36P

Use compensation to add or subtract - up to 1,000 6Z4

Add and subtract numbers up to 1,000 WXQ

Add and subtract with three-digit numbers vertically YZ2

Addition and subtraction word problems - up to 1,000 MJB

Solve inequalities using addition and subtraction shortcuts 87Q

Identify repeated addition in arrays - sums to 25

Identify repeated addition for arrays - sums to 25 EUS

Solve word problems using repeated addition - sums to 25 Y8S

Write stories involving repeated addition - sums to 25 3C2

Count money - groups of like coins 47N

Count money - pennies, nickels, and dimes only AVN

Count money up to $1 DGK

Equivalent amounts of money up to $1 MGA

Exchanging money - with pictures VZD

Exchanging money 29V

Exchanging money II FVT

Least number of coins QAP

Do you have enough money? - up to $1 F62

How much more to make a dollar? V9L

Correct amount of change LQ7

Making change LYP

Count money up to $100 - bills YPH

Count money up to $100 3T6

Relate time units UAS

Number of days in each month VSR

Create pictographs

Create picture graphs NM5

Interpret pictographs

Interpret picture graphs QDT

Record data in tables 89J

Interpret data in tables PBZ

Create bar graphs 6KD

Interpret bar graphs I RPD

Interpret bar graphs II 8CH

Which bar graph is correct? BMG

Create line plots F2U

Interpret line plots HY6

Estimate lengths with inches and feet SDC

Estimate lengths with inches, feet, and yards QQA

Measure with different customary units: inches, feet, and yards 5VA

Which customary unit of length is appropriate: inches or feet? 5XG

Which customary unit of length is appropriate: inches, feet, or yards? GKJ

Choose the best measuring tool: customary units of length 8SB

Compare lengths: customary units 8J4

Customary units of length: word problems GSF

Estimate lengths with centimeters and meters 5BF

Measure with different metric units FWF

Which metric unit of length is appropriate? SKH

Choose the best measuring tool: metric units of length 26F

Compare lengths: metric units USJ

Metric units of length: word problems KJ5

Count sides and vertices EAQ

Identify quadrilaterals L9K

Identify pentagons JJN

Name polygons: up to 6 sides HUA

Classify polygons: up to 6 sides QUQ

Name polygons: up to 12 sides XWZ

Classify polygons: up to 12 sides AKR

Sort two-dimensional shapes ZNH

Draw polygons H2L

Compose two-dimensional shapes QPK

Select three-dimensional shapes FAL

Name the three-dimensional shape 9E9

Sort three-dimensional shapes Z87

Shapes of everyday objects I

Three-dimensional shapes in the real world I 9VC

Shapes of everyday objects II

Three-dimensional shapes in the real world II 63Q

Find the perimeter of a rectangle using centimeter cubes C5Y