1st Grade Math Worksheets: Addition

Grade 1 addition worksheets

These math worksheets start with simple addition using pictures or number lines followed by one-digit math facts and then progress through number bonds, adding doubles, missing addends, adding whole tens and adding in columns.  No regrouping is included in our grade 1 exercises. 

Introduction to Addition

Adding objects / pictures:    
Adding with pictures (sums to 10)    
Adding with pictures (sums to 30)    
     
Number lines:    
Adding with number lines    
Addition sentences and number lines    
Adding 3 numbers with number lines      

Mental addition (no carrying)

 

 

Example

Adding two single-digit numbers - sum 10 or less   2 + 6 =
Adding two single-digit numbers - sum 20 or less   9 + 8 =
       
Number bonds - sums with 8   4 + __ = 8
Number bonds - sums with 9   __ + 2 = 9
Number bonds - sums with 10   5 + __ = 10
     
Adding Doubles:
   
Adding doubles   4 + 4 =
Adding doubles plus 1   4 + 5 =
Adding doubles plus 2   4 + 6 =
Adding doubles minus 1   4 + 3 =
Adding doubles and near doubles   6 + 8 =
     
 Harder mental addition:
   
Missing addend random - sum max 10   2 + __ = 7
Missing addend random within 1 and 20   __ + 7= 12
     
Add 3 numbers within 20   3 + 6 + 5 = _
     
Adding whole tens (2 addends)   20 + 30 =
Adding whole tens - missing addend   
  ___ + 90 = 170
     
Complete the next ten   86 + ___ = 90
Add a 2-digit number and a 1-digit number mentally - within the same ten   35 + 4 =
     

Adding in columns (no carrying)

 
Add a 2-digit number and a 1-digit number in columns - no carrying

 

35

+ 4


Add two 2-digit numbers in columns - no carrying

 

34

+ 15


Add a 2-digit number and a 1-digit number in columns - missing addend

 

26

+__

29


Add two 2-digit numbers in columns - missing addend

 

20

+     

75

Addition word problems

   
Single digit addition    
Addition with sums 50 or less    
3 or more numbers added together    
Add / subtract word problems with mostly single digit numbers    
Add / subtract word problems with numbers under 50    

Grade 1 Addition Worksheet Printable

Sample Grade 1 Addition Worksheet

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