Second grade math

303 skills 280 videos 85 games

IXL offers hundreds of second grade math skills, lessons, and games to explore and learn! Not sure where to start? Go to your personalized Recommendations wall to find a skill that looks interesting, or select a skill plan that aligns to your textbook, state standards, or standardized test.

IXL offers hundreds of second grade math skills, lessons, and games to explore and learn! Not sure where to start? Go to your personalized Recommendations wall to find a skill that looks interesting, or select a skill plan that aligns to your textbook, state standards, or standardized test.

A. Counting

1
Hundred chart

2
Number lines - up to 100

3
Number lines - up to 1,000

4
Count forward - up to 1,000

B. Comparing and ordering

1
Comparing numbers up to 100

2
Comparing numbers up to 1,000

3
Put numbers up to 100 in order

4
Put numbers up to 1,000 in order

5
Greatest and least - word problems - up to 100

6
Greatest and least - word problems - up to 1,000

C. Skip-counting and number patterns

1
Skip-counting by twos

2
Skip-counting by fives

3
Skip-counting by tens

4
Skip-counting by fives and tens

5
Skip-counting by twos, fives, and tens

6
Skip-counting stories

7
Skip-counting sequences

8
Count forward and backward by fives and tens

9
Count forward and backward by twos, fives, and tens

10
Skip-counting puzzles

11
Count forward by tens - up to 1,000

•
New! Count forward by fives, tens, and hundreds

12
Count forward and backward by fives, tens, and hundreds

13
Count forward and backward by twos, fives, tens, and hundreds

D. Names of numbers

1
Spell word names for numbers up to 20

2
Writing numbers up to 100 in words - convert words to digits

3
Writing numbers up to 100 in words - convert digits to words

4
Writing numbers up to 1,000 in words - convert words to digits

5
Writing numbers up to 1,000 in words - convert digits to words

•
New! Writing numbers up to 1,000 in words

6
Roman numerals I, V, X

E. Even and odd

1
Even or odd number of shapes - up to 20

2
Identify even and odd numbers - up to 20

•
New! Addition sentences for even and odd numbers

3
Even or odd numbers on number lines

4
Identify even and odd numbers - up to 100

5
Select even and odd numbers - up to 100

•
New! Which even or odd number comes before or after?

F. Addition strategies: one digit

1
Add doubles using models

2
Add doubles

3
Add doubles - complete the sentence

4
Add near doubles

5
Addition sentences using number lines - sums to 20

6
Add by counting on - sums to 20

7
Make ten to add

8
Add zero

G. Addition: one digit

1
Add one-digit numbers - sums to 10

2
Add one-digit numbers

•
New! Sort addition facts - sums to 20

3
Addition word problems - sums to 20

4
Addition sentences for word problems - sums to 20

5
Complete the addition sentence - sums to 20

6
Balance addition equations - sums to 20

7
Which addition sentence is true? - sums to 20

8
Add three one-digit numbers

9
Addition word problems - three one-digit numbers

10
Add four or more one-digit numbers

11
Addition word problems - four or more one-digit numbers

H. Subtraction strategies: one digit

1
Subtract doubles

2
Subtraction sentences using number lines - up to 20

3
Subtract by counting back - up to 20

4
Use ten to subtract

5
Subtract by counting on - up to 20

•
New! Count on and use ten to subtract - up to 20

6
Subtract zero or all

I. Subtraction: one digit

1
Subtract one-digit numbers - up to 10

2
Subtract a one-digit number from a two-digit number up to 18

3
Subtraction word problems - up to 18

4
Subtraction sentences for word problems - up to 18

5
Complete the subtraction sentence - up to 18

6
Balance subtraction equations - up to 18

7
Which subtraction sentence is true? - up to 18

J. Mixed operations: one digit

1
Addition and subtraction sentences using number lines - up to 20

2
Addition and subtraction - up to 20

3
Ways to make a number using addition and subtraction - up to 20

4
Balance addition and subtraction equations - up to 20

5
Which addition or subtraction sentence is true? - up to 20

6
Write the addition or subtraction rule for an input/output table - up to 20

K. Mixed operations word problems: one digit

1
Comparison word problems - up to 20

2
Addition and subtraction word problems - up to 20

•
New! Match word problems to addition and subtraction sentences - up to 20

3
Two-step addition and subtraction word problems - up to 20

4
Solve word problems using guess-and-check - up to 20

L. Place value

1
Place value models - tens and ones

2
Place value models - up to hundreds

3
Place value models - up to thousands

4
Identify a digit up to the hundreds place

5
Value of a digit - tens and ones

6
Value of a digit - up to hundreds

7
Value of a digit - up to thousands

8
Convert to/from a number - tens and ones

9
Regroup tens and ones - ways to make a number

10
Regroup tens and ones

11
Convert to/from a number - up to hundreds

12
Convert between place values - ones and hundreds

13
Convert between place values - ones, tens, and hundreds

14
Convert from expanded form - up to hundreds

15
Convert between standard and expanded form

16
Guess the number

M. Addition strategies: two digits

1
Break apart a one-digit number to add

2
Use models to add a two-digit and a one-digit number - without regrouping

3
Use models to add a two-digit and a one-digit number - with regrouping

4
Use number lines to add two-digit numbers

5
Break apart a two-digit number to add - sums to 100

6
Use compensation to add on a number line - up to two digits

7
Use compensation to add - up to two digits

8
Use models to add two-digit numbers - without regrouping

9
Use models to add two-digit numbers - with regrouping

10
Use place value to add two-digit numbers - without regrouping

11
Use place value to add two-digit numbers - with regrouping

N. Addition: two digits

1
Add a two-digit and a one-digit number - without regrouping

2
Add a two-digit and a one-digit number - with regrouping

3
Add multiples of 10

4
Add two-digit numbers without regrouping - sums to 100

5
Add two-digit numbers with regrouping - sums to 100

6
Add two-digit numbers - sums to 100

•
New! Add two-digit numbers vertically - sums to 100

7
Addition word problems - up to two digits

8
Ways to make a number using addition

9
Complete the addition sentence - up to two digits

10
Write the addition sentence - up to two digits

11
Balance addition equations - up to two digits

12
Add two-digit numbers - sums to 200

13
Add two-digit numbers vertically - sums to 200

14
Add three numbers up to two digits each

15
Addition word problems - three numbers up to two digits each

16
Add four numbers up to two digits each

17
Add three or four numbers vertically - up to two digits each

18
Addition word problems - four numbers up to two digits each

O. Subtraction strategies: two digits

1
Break apart a one-digit number to subtract

2
Use models to subtract a one-digit number from a two-digit number - without regrouping

3
Use models to subtract a one-digit number from a two-digit number - with regrouping

•
New! Use number lines to subtract two-digit numbers

4
Break apart a two-digit number to subtract

5
Use compensation to subtract on a number line - up to two digits

6
Use compensation to subtract - up to two digits

•
New! Count on to subtract two-digit numbers

7
Use models to subtract two-digit numbers - without regrouping

8
Use models to subtract two-digit numbers - with regrouping

•
New! Use place value to subtract two-digit numbers - without regrouping

•
New! Use place value to subtract two-digit numbers - with regrouping

P. Subtraction: two digits

1
Subtract a one-digit number from a two-digit number - without regrouping

2
Subtract a one-digit number from a two-digit number - with regrouping

3
Subtract a one-digit number from a two-digit number

4
Subtract multiples of 10

5
Subtract two-digit numbers - without regrouping

6
Subtract two-digit numbers - with regrouping

7
Subtract two-digit numbers

8
Subtract two-digit numbers vertically

9
Ways to make a number using subtraction

10
Subtraction word problems - up to two digits

11
Complete the subtraction sentence - up to two digits

12
Write the subtraction sentence - up to two digits

13
Balance subtraction equations - up to two digits

Q. Mixed operations: two digits

1
Add and subtract numbers - up to 100

2
Add and subtract with two-digit numbers vertically

3
Which sign (+ or -) makes the number sentence true? - up to 100

4
Ways to make a number using addition and subtraction - up to 100

•
New! Relate addition and subtraction sentences - up to two digits

•
New! Complete the addition or subtraction sentence - up to 100

5
Balance addition and subtraction equations - up to 100

•
New! Which addition or subtraction equation is true? - up to 100

6
Write addition and subtraction sentences

7
Inequalities with addition and subtraction - up to 100

R. Mixed operations word problems: two digits

1
Addition and subtraction word problems - up to 100

2
Two-step addition and subtraction word problems - up to 100

S. Addition strategies: three digits

•
New! Use number lines to add three-digit numbers

•
New! Break apart a three-digit number to add

1
Use compensation to add - up to three digits

2
Use models to add three-digit numbers - without regrouping

3
Use models to add three-digit numbers - with regrouping

•
New! Use expanded form to add three-digit numbers - without regrouping

•
New! Use expanded form to add three-digit numbers - with regrouping

T. Addition: three digits

1
Add multiples of 100

2
Add multiples of 10 or 100

3
Addition with three-digit numbers

4
Add three-digit numbers vertically

5
Addition word problems - up to three digits

6
Complete the addition sentence - up to three digits

7
Write the addition sentence - up to three digits

•
New! Addition up to three digits - fill in the missing digits

8
Balance addition equations - up to three digits

U. Subtraction strategies: three digits

•
New! Use number lines to subtract three-digit numbers

1
Use compensation to subtract - up to three digits

2
Use models to subtract from three-digit numbers - without regrouping

3
Use models to subtract from three-digit numbers - with regrouping

V. Subtraction: three digits

1
Subtract multiples of 100

2
Subtract multiples of 10 or 100

3
Subtract across zeros

4
Subtract from three-digit numbers

5
Subtract from three-digit numbers vertically

6
Subtraction word problems - up to three digits

7
Complete the subtraction sentence - up to three digits

8
Write the subtraction sentence - up to three digits

9
Balance subtraction equations - up to three digits

W. Mixed operations: three digits

1
Add and subtract numbers up to 1,000

2
Add and subtract with three-digit numbers vertically

3
Addition and subtraction word problems - up to 1,000

4
Solve inequalities using addition and subtraction shortcuts

X. Repeated addition

1
Count equal groups

2
Identify repeated addition for equal groups - sums to 25

3
Write addition sentences for equal groups - sums to 25

4
Identify repeated addition for arrays - sums to 25

5
Write addition sentences for arrays - sums to 25

•
New! Solve word problems using repeated addition - sums to 25

Y. Properties

1
Add in any order

2
Related addition facts

3
Related subtraction facts

4
Fact families

5
Addition and subtraction terms

Z. Estimation and rounding

1
Estimate to the nearest ten

2
Round to the nearest ten

3
Round to the nearest ten or hundred

4
Estimate sums

5
Estimate differences

AA. Money up to $1

1
Names and values of common coins

2
Names and values of all coins

3
Count money - pennies, nickels, and dimes only

4
Count money up to $1

5
Equivalent amounts of money up to $1

6
Exchanging money - with pictures

7
Exchanging money

8
Exchanging money II

9
Least number of coins

10
Do you have enough money? - up to $1

11
How much more to make a dollar?

12
Correct amount of change

13
Making change

BB. Add and subtract money up to $1

1
Add money up to $1

2
Add money up to $1: word problems

3
Subtract money up to $1

4
Subtract money up to $1: word problems

5
Add and subtract money up to $1

6
Add and subtract money up to $1: word problems

CC. Money up to $5

1
Count money up to $5

2
Do you have enough money? - up to $5

3
Which picture shows more? - up to $5

DD. Time

1
Match digital clocks and times

2
Match analog clocks and times

3
Match analog and digital clocks

4
Read clocks and write times: hour and half hour

5
Read clocks and write times

6
A.M. or P.M.

7
Compare clocks

8
Number of days in each month

9
Relate time units

EE. Calendars

1
Months of the year

2
Read a calendar I

3
Read a calendar II

FF. Data and graphs

1
Which tally chart is correct?

2
Interpret tally charts

3
Interpret bar graphs I

4
Interpret bar graphs II

5
Which bar graph is correct?

6
Create bar graphs

7
Interpret line plots

8
Create line plots

9
Interpret picture graphs

10
Create picture graphs

GG. Customary units of length

1
Measure length with inch cubes

2
Measure using an inch ruler

3
Measure to compare length in inches

4
Which customary unit of length is appropriate: inches or feet?

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

6
Compare lengths: customary units

7
Customary units of length: word problems

HH. Metric units of length

1
Measure using a centimeter ruler

2
Measure to compare length in centimeters

3
Which metric unit of length is appropriate?

4
Compare lengths: metric units

5
Metric units of length: word problems

II. Two-dimensional shapes

1
Identify quadrilaterals

2
Identify pentagons

3
Name polygons: up to 6 sides

4
Classify polygons: up to 6 sides

5
Name polygons: up to 12 sides

6
Classify polygons: up to 12 sides

•
New! Sort two-dimensional shapes

7
Draw polygons

8
Compose two-dimensional shapes

JJ. Three-dimensional shapes

1
Name the three-dimensional shape

2
Cubes

3
Select three-dimensional shapes

4
Count vertices, edges, and faces

5
Compare vertices, edges, and faces

6
Identify faces of three-dimensional shapes

7
Identify shapes traced from solids

8
Shapes of everyday objects I

9
Shapes of everyday objects II

KK. Area and tiling

1
Tile a rectangle with squares

2
Count the number of squares in a rectangle

3
Area

LL. Fractions

1
Equal parts

2
Identify halves

3
Identify thirds

4
Identify fourths

5
Identify halves, thirds, and fourths

6
Make halves

7
Make thirds

8
Make fourths

9
Make halves, thirds, and fourths

10
Make halves, thirds, and fourths in different ways

11
Identify a half, a third, and a fourth