Level C math skills

354 skills 336 videos 76 games

IXL has hundreds of Level C math skills to learn and review! As you work through a skill, questions will adapt to match your level. Keep answering questions to reach mastery!

A. Counting to 100

1
Counting review - up to 10

2
Count to fill a ten frame

3
Counting review - up to 20

4
Count on ten frames - up to 40

5
Count objects to 100

6
Count forward - up to 100

7
Count backward - up to 100

8
Number lines - up to 100

9
Count on the hundred chart

10
Hundred chart

11
Ordinal numbers

B. Counting to 120

1
Write the number you hear - up to 120

2
Count objects to 120

3
Count up to find the next number - up to 120

4
Count down to find the next number - up to 120

5
Count forward - up to 120

6
Number lines - up to 120

7
Count on a number chart - up to 120

8
Sequences - count up and down by 1

9
Writing numbers in words - convert words to digits

10
Writing numbers in words - convert digits to words

C. Skip-counting

1
Skip-count by twos

2
Skip-count by fives

3
Skip-count by tens

4
Skip-count by tens - up to 120

5
Skip-count by twos, fives, and tens

6
Count by twos, fives, and tens

7
Skip-counting patterns - with tables

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

•
New! Count forward by twos - up to 120

•
New! Count forward by fives - up to 120

9
Count forward by tens - up to 120

•
New! Count forward by twos, fives, and tens - up to 120

10
Count forward by ones and tens - up to 120

11
Count objects by tens and ones - up to 120

D. Comparing up to 10

1
Comparing: more or fewer?

2
Comparing: how many more?

3
Comparing: how many fewer?

4
Comparing: how many more or fewer?

5
Compare numbers up to 10 using words

6
Compare numbers up to 10 using symbols

E. Understand addition

1
Add with cubes - sums up to 10

2
Add with pictures - sums up to 10

3
Addition sentences up to 10: which model matches?

4
Addition sentences up to 10: what does the model show?

5
Write addition sentences for pictures - sums up to 10

6
Addition sentences using number lines - sums up to 10

7
Turn words into an addition sentence - sums up to 10

F. Addition strategies up to 10

1
Add in any order

2
Add by counting on - sums up to 10

3
Complete the addition sentence to make ten - with models

4
Complete the addition sentence to make ten

G. Addition up to 10

1
Addition facts - sums up to 10

2
Take apart numbers in different ways - sums up to 10

3
Make a number using addition - sums up to 10

4
Ways to make a number - addition sentences up to 10

H. Addition word problems up to 10

1
Addition word problems with pictures - sums up to 10

2
Write addition sentences for word problems with pictures - sums up to 10

3
Build cube trains to solve addition word problems - sums up to 10

4
Addition word problems - sums up to 10

5
Model and write addition sentences for word problems - sums up to 10

6
Addition sentences for word problems - sums up to 10

I. Understand subtraction

1
Subtract with cubes - up to 10

2
Subtract with pictures - up to 10

3
Subtraction sentences up to 10: which model matches?

4
Subtraction sentences up to 10: what does the model show?

5
Subtraction sentences up to 10: what does the cube train show?

6
Write subtraction sentences for pictures - up to 10

7
Subtraction sentences using number lines - up to 10

8
Turn words into a subtraction sentence - up to 10

9
Subtract zero and all

J. Subtraction strategies up to 10

1
Subtract by counting back - up to 10

2
Subtract by counting on - up to 10

3
Relate addition and subtraction sentences - up to 10

4
Use addition to subtract - up to 10

K. Subtraction up to 10

1
Subtraction facts - up to 10

2
Make a number using subtraction - up to 10

3
Ways to make a number - subtraction sentences up to 10

4
Ways to subtract from a number - subtraction sentences up to 10

L. Subtraction word problems up to 10

1
Subtraction word problems with pictures - up to 10

2
Write subtraction sentences for word problems with pictures - up to 10

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

4
Subtraction word problems - up to 10

5
Model and write subtraction sentences for word problems - up to 10

6
Subtraction sentences for "take apart" word problems - up to 10

7
Subtraction sentences for word problems - up to 10

M. Addition and subtraction up to 10

1
Fact families - up to 10

2
Add and subtract with 0

3
Addition and subtraction facts - up to 10

4
Sort addition and subtraction facts - up to 10

N. Comparison word problems up to 10

1
Comparison word problems up to 10: how many more?

2
Subtraction sentences for comparison word problems up to 10: how many more?

3
Comparison word problems up to 10: how many fewer?

4
Subtraction sentences for comparison word problems up to 10: how many fewer?

5
Comparison word problems up to 10: how many more or fewer?

6
Subtraction sentences for comparison word problems up to 10: how many more or fewer?

7
Comparison word problems up to 10: what is the larger amount?

8
Comparison word problems up to 10: what is the smaller amount?

9
Comparison word problems up to 10

O. Addition and subtraction word problems up to 10

1
Addition and subtraction word problems with pictures - up to 10

2
Use cube trains to solve addition and subtraction word problems - up to 10

3
Word problems with unknown sums and differences - up to 10

4
Addition and subtraction sentences for word problems - up to 10

5
Word problems with change unknown - up to 10

6
Word problems with start unknown - up to 10

7
Word problems with one addend unknown - up to 10

8
Word problems with both addends unknown - up to 10

9
Word problems involving addition and subtraction - up to 10

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

P. Addition strategies up to 20

1
Related addition facts

2
Addition sentences using number lines - sums up to 20

3
Add by counting on - sums up to 20

4
Add doubles - with models

5
Add doubles

6
Add doubles - complete the sentence

7
Add using doubles plus one

8
Add using doubles minus one

9
Add near doubles

10
Add three numbers - use doubles

11
Use ten frames to add

12
Make ten to add

13
Add three numbers - make ten

Q. Addition up to 20

1
Adding 1

2
Adding 2

3
Adding 3

4
Adding 4

5
Adding 5

6
Adding 6

7
Adding 7

8
Adding 8

9
Adding 9

10
Adding 10

11
Adding 0

12
Addition facts - sums up to 20

13
Sort addition facts - sums up to 20

14
Make a number using addition - sums up to 20

15
Add three numbers

R. Addition word problems up to 20

1
Addition word problems with models - sums up to 20

2
Addition word problems - sums up to 20

3
Addition sentences for word problems - sums up to 20

4
Add three numbers - word problems

S. Subtraction strategies up to 20

1
Related subtraction facts

2
Relate addition and subtraction sentences - up to 20

3
Subtraction sentences using number lines - up to 20

4
Subtract by counting back - up to 20

5
Subtracting to and from 10

6
Use ten frames to subtract

7
Use ten to subtract

8
Use addition to subtract - up to 20

9
Subtract by counting on - up to 20

10
Count on and use ten to subtract - up to 20

11
Subtract doubles

T. Subtraction up to 20

1
Subtracting 1

2
Subtracting 2

3
Subtracting 3

4
Subtracting 4

5
Subtracting 5

6
Subtracting 6

7
Subtracting 7

8
Subtracting 8

9
Subtracting 9

10
Subtracting 10

11
Subtracting 0

12
Subtraction facts - up to 20

13
Sort subtraction facts - up to 20

14
Make a number using subtraction - up to 20

U. Subtraction word problems up to 20

1
Subtraction word problems with models - up to 20

2
Subtraction word problems - up to 20

3
Subtraction sentences for word problems - up to 20

V. Addition and subtraction up to 20

1
Addition and subtraction facts - up to 20

2
Addition and subtraction - ways to make a number

W. Comparison word problems up to 20

1
Comparison word problems up to 20: how many more or fewer?

2
Comparison word problems up to 20: what is the larger amount?

3
Comparison word problems up to 20: what is the smaller amount?

4
Comparison word problems up to 20: part 1

5
Comparison word problems up to 20: part 2

6
Write number sentences for comparison word problems - up to 20

X. Addition and subtraction word problems up to 20

1
Word problems with sum or difference unknown - up to 20

2
Addition and subtraction sentences for word problems - up to 20

3
Word problems with change unknown - up to 20

4
Write number sentences for word problems with change unknown - up to 20

5
Word problems with start unknown - up to 20

6
Write number sentences for word problems with start unknown - up to 20

7
Word problems with one addend unknown - up to 20

8
Write number sentences for word problems with one addend unknown - up to 20

9
Word problems with both addends unknown - up to 20

10
Use models to solve word problems involving addition and subtraction - up to 20

11
Word problems involving addition and subtraction without comparisons - up to 20

12
Write number sentences for word problems without comparisons - up to 20

13
Word problems involving addition and subtraction - up to 20

14
Write number sentences for word problems - up to 20

15
Match word problems to addition and subtraction sentences - up to 20

Y. True or false equations

1
Addition and subtraction sentences to 10: which is true?

2
Which sign makes the number sentence true? - up to 10

3
Addition sentences: true or false?

4
Addition sentences: which is true?

5
Subtraction sentences: true or false?

6
Subtraction sentences: which is true?

7
Addition and subtraction sentences to 20: which is true?

8
Which sign makes the number sentence true?

Z. Complete the equation

1
Complete the addition sentence - sums up to 10

2
Complete the subtraction sentence - up to 10

3
Complete the addition sentence - sums up to 20

4
Complete the subtraction sentence - up to 20

5
Complete the addition or subtraction sentence - up to 20

6
Complete addition and subtraction equations - up to 20

AA. Place value

1
Build and break apart teen numbers

2
Place value models up to 20

3
Build and break apart multiples of ten

4
Build two-digit numbers

5
Build and break apart two-digit numbers - with models

6
Place value models for two-digit numbers

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

8
Ways to make a number - tens and ones

9
Regroup tens and ones - ways to make a number

10
Regroup tens and ones

BB. Comparing up to 100

1
Use place value to compare numbers up to 100

2
Compare numbers up to 100 using words

3
Compare numbers up to 100 using symbols - with models

•
New! Compare numbers using number lines

4
Compare numbers up to 100 using symbols

5
Compare numbers up to 100: word problems

•
New! Write a number greater than or less than a given number - up to 100

•
New! Put numbers in order using number lines

6
Put numbers in order - up to 100

CC. Addition and subtraction: multiples of ten

1
Ten more or less

2
Add and subtract ten

3
Add multiples of ten

4
Subtract multiples of ten

5
Add and subtract multiples of ten

DD. Addition: two digits

1
Use models to add a multiple of ten and a one-digit number

2
Add a multiple of ten and a one-digit number

3
Use models to add a multiple of ten and a two-digit number

4
Add a multiple of ten and a two-digit number

5
Use models to add a two-digit and a one-digit number - without regrouping

6
Add a two-digit and a one-digit number - without regrouping

•
New! Add by counting on - sums to 100

7
Use a hundred chart to add tens or ones - without regrouping

8
Use a hundred chart to add ones - with regrouping

9
Use models to add a two-digit and a one-digit number - with regrouping

10
Add a two-digit and a one-digit number - with regrouping

11
Use models to add two-digit numbers - without regrouping

12
Use place value to add two-digit numbers - without regrouping

13
Add two-digit numbers without regrouping - sums to 100

14
Use models to add two-digit numbers - with regrouping

15
Use place value to add two-digit numbers - with regrouping

16
Use place value to add numbers up to two digits

17
Add two-digit numbers with regrouping - sums to 100

18
Add numbers up to two digits

19
Addition word problems - two-digit plus one-digit numbers

20
Addition sentences for word problems - two-digit plus one-digit numbers

21
Addition word problems - up to two-digit numbers

EE. Measurement

1
Compare objects: length and height

2
Order objects: length and height

3
Indirect comparison

4
Wide and narrow

5
Light and heavy

6
Holds more or less

7
Compare size, weight, and capacity

8
Measure length with objects

9
Build cube trains to measure length

10
Build cube trains to measure height

11
Measure using an inch ruler

12
Customary units of length: word problems

13
Measure using a centimeter ruler

14
Metric units of length: word problems

FF. Time

1
Match digital clocks and times

2
Match analog and digital clocks: to the hour

3
Match analog clocks and times with words: to the hour

4
Match analog clocks and times with words: to the half hour

5
Match analog clocks and times: to the half hour

6
Match analog and digital clocks: to the half hour

7
Read clocks and write times

8
Times of everyday events

9
Compare clocks

10
Time and clocks: word problems

GG. Days, months, and seasons

1
Days of the week

2
Months of the year

3
Seasons of the year

4
Read a calendar

HH. Money

1
Names and values of common coins

2
Names and values of all coins

3
Count groups of like coins: pennies, nickels, or dimes

4
Count groups of like coins: pennies, nickels, dimes, or quarters

5
Count pennies, nickels, and dimes

6
Count pennies, nickels, dimes, and quarters

7
Equivalent groups of coins

8
Exchanging coins - with pictures

9
Exchanging coins

10
Money - word problems

11
Purchases: do you have enough money?

12
Compare money amounts

II. Data and graphs

1
Which picture graph is correct?

2
Make picture graphs with pictures

3
Interpret picture graphs

4
Make picture graphs with symbols

5
Tally marks - up to 10

6
Which tally chart is correct?

7
Interpret tally charts

8
Record data in tables

9
Interpret data in tables

10
Show data in different ways

11
Interpret picture graphs, tally charts, and tables

12
Interpret bar graphs I

13
Interpret bar graphs II

14
Which bar graph is correct?

JJ. Patterns

1
Complete a pattern

2
Make a pattern

3
Growing patterns

4
Find the next shape in a growing pattern

5
Find the next row in a growing pattern

KK. Two-dimensional shapes

1
Select two-dimensional shapes

2
Name the two-dimensional shape

3
Rhombuses

4
Count sides and corners

5
Compare sides and corners

6
Sort two-dimensional shapes

7
Square corners

8
Equal sides

9
Open and closed shapes

10
Attributes of two-dimensional shapes

11
Compare shapes using attributes

12
Name the two-dimensional shape and explain your answer

13
Compose two-dimensional shapes

14
Compose two-dimensional shapes: which shapes can you make?

•
New! Two-dimensional shapes in real-world objects

LL. Three-dimensional shapes

1
Two-dimensional and three-dimensional shapes

2
Cubes and rectangular prisms

3
Select three-dimensional shapes

4
Name the three-dimensional shape

5
Count vertices, edges, and faces

6
Compare vertices, edges, and faces

7
Identify faces of three-dimensional shapes

8
Identify shapes traced from solids

9
Attributes of three-dimensional shapes

10
Name the three-dimensional shape and explain your answer

11
Sort three-dimensional shapes

12
Compose three-dimensional shapes

13
Compose bigger three-dimensional shapes

14
Three-dimensional shapes in the real world I

15
Three-dimensional shapes in the real world II

•
New! Three-dimensional shapes in real-world objects

MM. Venn diagrams

1
Count shapes in a Venn diagram

2
Sort shapes into a Venn diagram

NN. Fractions

1
Equal parts - 2 and 4 equal parts

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

3
Identify halves

4
Identify fourths

5
Identify halves and fourths

6
Make halves

7
Make fourths

8
Make halves and fourths

9
Make halves and fourths in different ways

OO. Financial literacy

•
Coming soon: Income

•
New! Spending and saving
•
Coming soon: Giving to charity