2nd Grade Math Worksheets: Addition

Free math worksheets from K5 Learning

For practicing some math skills, there is just nothing more effective than a pencil and paper. Our grade 2 addition worksheets compliment our K5 Math and K5 Math Facts online math programs.

Using our math worksheets:

Each time you refresh the screen, the worksheet will change - you can create an infinite number of different worksheets of any type. Answer keys are available by clicking at the bottom of each worksheet.

 

Mental Addition (no regrouping)
Example
     Instuctional video: Simple Addition by Counting  
     Instuctional video: Two Digit Addition (no regrouping)
   
Adding single-digit numbers - sum 10 or less 4 + 5 =
Adding within 0-10 - missing addend 5 + _ = 9
Add a 2-digit number and a 1-digit number mentally - within the same ten 34 + 4 =
Add a 2-digit number and a 1-digit number mentally - within the same ten, missing addend 57 + _ = 59
Add two 2-digit numbers mentally, no carry 34 + 21 =
 
     
Mental Addition (with regrouping)
Adding single-digit numbers - sum between 10 and 18 6 + 7 =
Adding sum within 10-18 - missing addend _ + 9 = 18
 
Three addends, single-digit

6 + 4 + 9 =

Three addends, single digit, missing addend

3 + _ + 1 = 13

Four addends, single-digit 7 + 8 + 9 + 1 =
Four addends, single digit, missing addend 4 + 6 + 8 + _ = 21
   
Missing addend - sums with 11 and 12 2 + _ = 11
Missing addend - sums with 13 and 14

_ + 8 = 14

Missing addend - sums with 15 and 16 _ + 4 = 15
Missing addend - sums with 17 and 18 9 + _ = 18
Missing addend random within 1 and 20 8 + _ = 19
  
 
Adding whole tens, 2 addends 30 + 80 =
Adding whole tens, 2 addends, missing addend _ + 40 = 100
Adding whole tens, 3 addends 60 + 50 + 40 =
Adding whole tens, 3 addends, missing addend 10 + 30 + _ = 90
Adding whole tens, 4 addends 90 + 60 + 30 + 10 =
Adding whole tens, 4 addends, missing addend 20 + _ + 60 + 80 = 200
Complete the next ten
9 + _ = 90
    
Add a 2-digit number and a 1-digit number mentally 78 + 3 =
Add a 2-digit number and a 1-digit number, missing addend 88 + _ = 90
  
 
Add a two-digit number and 2 one-digit numbers mentally 49 + 6 + 4 =
Add a two-digit number and 3 one-digit numbers mentally 81 + 3 + 6 + 2 =
Add a two-digit number and 3 one-digit numbers mentally, missing addend 27 + _ + 9 + 5 = 44
     
Add two 2-digit numbers - one addend is a whole ten 87 + 40 =
Adding a 3-digit number and a 1-digit number 852 + 8 =
     
Add two whole tens and two 1-digit numbers 10 + 30 + 4 + 1 =
Adding a 3-digit number with whole tens 450 + 30 =
Adding a 3-digit number with whole tens - missing addend 450 + __ = 480
     
Adding whole hundreds (2 addends) 600 + 400 =
Adding whole hundreds (3 addends) 200 + 300 + 400 =
Missing addend with whole hundreds _ + 900 = 1100
Completing a whole thousand (whole hundreds are missing) _ + 400 = 1000
     
     
Adding 2-digit numbers in columns  
     Instuctional video: 2-Digit Addition with Regrouping    
Add a 2-digit number and a 1-digit number in columns

44

+ 4

Add two 2-digit numbers in columns - no carrying

36

+ 22

Add two 2-digit numbers in columns

67

+ 76

Add three 2-digit numbers in columns

52

+ 47

+ 35

Add four 2-digit numbers in columns

69

+ 97

+ 30

+ 21

Add a 2-digit number and a single-digit number in columns - figure out the missing addend

56

+ _

64

Add two 2-digit numbers in columns - figure out the missing addend

39

+

50

     
Adding 3-digit numbers in columns  
     Instuctional video: 3-Digit Addition with Regrouping   
     Instuctional video: Addition with Regrouping - Why it Works   
Add two 3-digit numbers in columns - no carrying

111

+ 121

 

Add two 3-digit numbers in columns

397

+ 984

Add three 3-digit numbers in columns

456

+ 678

+ 789

Acknowledgments: Our worksheets are provided courtesy of Home School Math.

Recommended Workbooks

Browse our bookstore where we sell downloadable workbooks reccomended for home study. The workbooks contain both instruction and exercises, with answer keys, and are organized into short topical sections. Ideal for independent or parent led-studying, in our opinion.

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