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

Listing

Skill name and permanent skill ID

Counting - up to 100

Count objects to 100 SUW

Counting forward - up to 100

Count forward - up to 100 A6F

Counting backward - up to 100

Count backward - up to 100 KT2

Counting on the hundred chart

Count on the hundred chart XUD

Write the number you hear - up to 120 EJ7

Count objects to 120 5YF

Counting forward - up to 120

Count up to find the next number - up to 120 VZR

Counting backward - up to 120

Count down to find the next number - up to 120 DC5

Count forward - up to 120 9PJ

Number lines - up to 120 P58

Counting on a number chart - up to 120

Count on a number chart - up to 120 W2E

Sequences - count up and down by 1 ZBW

Writing numbers in words - convert words to digits Y85

Writing numbers in words - convert digits to words YVK

Skip-counting by twos

Skip-count by twos L67

Skip-counting by fives

Skip-count by fives KWU

Skip-counting by tens

Skip-count by tens N89

Skip-count by tens - up to 120 FVW

Skip-counting by twos, fives, and tens

Skip-count by twos, fives, and tens W8G

Counting by twos, fives, and tens

Count by twos, fives, and tens UZU

Skip-counting patterns - with tables ZUU

Sequences - count up and down by 1, 2, 5, and 10 8PY

Count forward by tens - up to 120 MDH

Count forward by ones and tens - up to 120 5X4

Count objects by tens and ones - up to 120 4D6

Complete the addition sentence to make ten - with models MTE

Complete the addition sentence to make ten 5MN

Take apart numbers in different ways - sums up to 10 TXA

Make a number using addition - sums up to 10 VSE

Ways to make a number - addition sentences up to 10 K48

Write subtraction sentences for pictures - up to 10 PFY

Subtraction sentences using number lines - up to 10 LRN

Turn words into a subtraction sentence - up to 10 ZJA

Subtract zero and all PEQ

Relate addition and subtraction sentences - up to 10 LPQ

Use addition to subtract - up to 10 TBD

Subtraction sentences for "take apart" word problems - up to 10 9EX

Subtraction sentences for word problems - up to 10 R2J

Sort addition and subtraction facts - up to 10 NVZ

Subtraction sentences for comparison word problems up to 10: how many more? AXW

Comparison word problems up to 10: how many fewer? VR6

Subtraction sentences for comparison word problems up to 10: how many fewer? VFM

Comparison word problems up to 10: how many more or fewer? VWF

Subtraction sentences for comparison word problems up to 10: how many more or fewer? D2J

Comparison word problems up to 10: what is the larger amount? Q6Z

Comparison word problems up to 10: what is the smaller amount? AZU

Comparison word problems up to 10 6MR

Addition and subtraction word problems with pictures - up to 10 CJ9

Use cube trains to solve addition and subtraction word problems - up to 10 3M6

Word problems with unknown sums and differences - up to 10 PQY

Addition and subtraction sentences for word problems - up to 10 M6F

Word problems with change unknown - up to 10 BTB

Word problems with start unknown - up to 10 TZS

Word problems with one addend unknown - up to 10 VU2

Word problems with both addends unknown - up to 10 PL6

Word problems involving addition and subtraction - up to 10 VTP

Match word problems to addition and subtraction sentences - up to 10 BF9

Make ten to add - with models

Use ten frames to add WL5

Sort addition facts - sums up to 20 DF7

Make a number using addition - sums up to 20 UMX

Add three numbers RL2

Addition word problems with models - sums up to 20 VA2

Addition word problems - sums up to 20 KY5

Addition sentences for word problems - sums up to 20 N5N

Add three numbers - word problems Z7S

Relate addition and subtraction sentences

Relate addition and subtraction sentences - up to 20 DM2

Subtracting to and from 10 6EY

Use ten frames to subtract QRP

Use ten to subtract CLE

Use addition to subtract - up to 20 YWW

Subtract by counting on - up to 20 TM2

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

Subtract doubles LHZ

Sort subtraction facts - up to 20 8EQ

Make a number using subtraction - up to 20 JJS

Subtraction word problems with models - up to 20 REY

Subtraction word problems - up to 20 9Q9

Subtraction sentences for word problems - up to 20 LJA

Comparison word problems up to 20: part 1 KDW

Comparison word problems up to 20

Comparison word problems up to 20: part 2 TNV

Write number sentences for comparison word problems - up to 20 WWK

Word problems with sum or difference unknown - up to 20 YZM

Word problems with change unknown - up to 20 REU

Write number sentences for word problems with change unknown - up to 20 VWV

Word problems with start unknown - up to 20 FCG

Write number sentences for word problems with start unknown - up to 20 T55

Word problems with one addend unknown - up to 20 AS7

Write number sentences for word problems with one addend unknown - up to 20 9XK

Word problems with both addends unknown - up to 20 ULJ

Use models to solve word problems involving addition and subtraction - up to 20 C9Q

Word problems involving addition and subtraction - up to 20

Word problems involving addition and subtraction without comparisons - up to 20 VJR

Write number sentences for word problems without comparisons - up to 20 T9A

Word problems involving addition and subtraction - up to 20 M72

Write number sentences for word problems - up to 20 CAE

Match word problems to addition and subtraction sentences - up to 20 9LJ

Addition and subtraction sentences: which is true?

Addition and subtraction sentences to 20: which is true? QVL

Complete the addition or subtraction sentence - up to 20 YKL

Complete addition and subtraction equations - up to 20 W7T

Counting tens and ones - up to 20

Build and break apart teen numbers GU6

Convert between tens and ones - multiples of ten

Build and break apart multiples of ten VH7

Build two-digit numbers MUP

Counting tens and ones - up to 99

Build and break apart two-digit numbers - with models EAN

Place value models up to 100

Place value models for two-digit numbers 5CG

Write numbers as tens and ones

Build and break apart two-digit numbers - without models 7WF

Ways to make a number - tens and ones PQR

Regroup tens and ones - ways to make a number FCJ

Regroup tens and ones EWN

Compare numbers up to 100 using symbols - with models Z2B

Compare numbers up to 100 using symbols FU5

Compare numbers up to 100: word problems C7Q

Put numbers in order - up to 100 PB7

Add and subtract ten ASN

Add multiples of ten EMK

Subtract multiples of ten 9DD

Add and subtract multiples of ten J6G

Use a hundred chart to add tens or ones - without regrouping LTG

Use a hundred chart to add ones - with regrouping PS9

Use models to add a two-digit and a one-digit number - with regrouping 8RL

Add a two-digit and a one-digit number - with regrouping BF6

Use models to add two-digit numbers - without regrouping GJJ

Use place value to add two-digit numbers - without regrouping QPL

Add two-digit numbers without regrouping - sums to 100 VZW

Use models to add two-digit numbers - with regrouping CDU

Use place value to add two-digit numbers - with regrouping 9EZ

Use place value to add numbers up to two digits KZP

Add two-digit numbers with regrouping - sums to 100 QHX

Add numbers up to two digits XR5

Addition word problems - one-digit plus two-digit numbers

Addition word problems - two-digit plus one-digit numbers 88Q

Addition sentences for word problems - one-digit plus two-digit numbers

Addition sentences for word problems - two-digit plus one-digit numbers 5LZ

Addition word problems - up to two-digit numbers T9S

Order objects: length and height 46K

Indirect comparison 49N

Wide and narrow GHE

Light and heavy P8W

Holds more or less 7E5

Compare size, weight, and capacity F8C

Measure length with objects GWG

Measure length with cubes

Build cube trains to measure length FBV

Measure height with cubes

Build cube trains to measure height BLM

Measure using an inch ruler ELW

Customary units of length: word problems 2EE

Measure using a centimeter ruler E7J

Metric units of length: word problems Z66

Match analog and digital clocks: to the hour 7B8

Match analog clocks and times with words: to the hour LBR

Match analog clocks and times with words: to the half hour TRE

Match analog clocks and times

Match analog clocks and times: to the half hour 5FJ

Match analog and digital clocks

Match analog and digital clocks: to the half hour 7N3

Read clocks and write times UJM

Times of everyday events BXM

Compare clocks VRW

Time and clocks: word problems NPR

Count groups of like coins: pennies, nickels, or dimes HX7

Count groups of like coins: pennies, nickels, dimes, or quarters 7HZ

Count pennies, nickels, and dimes UED

Count pennies, nickels, dimes, and quarters 8AK

Equivalent groups of coins TRL

Exchanging coins - with pictures WXU

Exchanging coins HSW

Money - word problems KJD

Purchases: do you have enough money? S9S

Compare money amounts VJA

Make picture graphs with pictures FC5

Interpret picture graphs GFA

Make picture graphs with symbols FLF

Tally marks - up to 10 Z9Y

Which tally chart is correct? XRL

Interpret tally charts LBV

Which table is correct?

Record data in tables CSH

Interpret data in tables KGS

Show data in different ways FFJ

Interpret picture graphs, tally charts, and tables 2BX

Interpret bar graphs I 9US

Interpret bar graphs II SW5

Which bar graph is correct? 83F

Select two-dimensional shapes HV6

Name the two-dimensional shape MRF

Sort two-dimensional shapes GKN

Square corners YSG

Equal sides QT9

Open and closed shapes DBN

Attributes of two-dimensional shapes AW6

Compare shapes using attributes PSZ

Name the two-dimensional shape and explain your answer Q7Q

Compose two-dimensional shapes YEU

Compose two-dimensional shapes: which shapes can you make? WVF

Cubes and rectangular prisms 7HG

Select three-dimensional shapes J8A

Name the three-dimensional shape 26D

Identify faces of three-dimensional shapes RPX

Identify shapes traced from solids NXF

Attributes of three-dimensional shapes 7S3

Name the three-dimensional shape and explain your answer ZM2

Sort three-dimensional shapes JTU

Compose three-dimensional shapes AME

Compose bigger three-dimensional shapes 96K

Shapes of everyday objects I

Three-dimensional shapes in the real world I ZCN

Shapes of everyday objects II

Three-dimensional shapes in the real world II LFC

Equal parts - halves and fourths

Equal parts - 2 and 4 equal parts HVX

Equal parts - halves, thirds, and fourths

Equal parts - 2, 3, and 4 equal parts FZT

Write numbers as tens and ones up to 20

Make and take apart teen numbers: tens and ones 5HL