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.

## Adding with objects or pictures

Adding with pictures (sums to 10)
Vertical addition with objects
Adding with pictures (sums to 20)

## Number lines

Adding with number lines

Addition sentences and number lines

Adding 3 numbers with number lines

Add two numbers - sum 10 or less 2 + 6 =
Add two 1-digit numbers - sum 20 or less 9 + 8 =

## Number bonds

Number bonds - sums with 8 4 + __ = 8
Number bonds - sums with 9 4 + __ = 9
Number bonds - sums with 10 4 + __ = 10
Adding using combinations of 10 8+5 = 8+2+3=__

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 addends - sum 10 or less 2 + __ = 7
Missing addends - sum 20 or less 2 + __ = 17

Add 3 numbers 3 + 6 + 5 =

Add whole tens 20 + 30 =
Add whole tens - missing addend    ___ + 90 = 170

Complete the next ten 86 + ___ = 90
Add 2-digit and 1-digit numbers within the same ten 35 + 4 =

## Adding in columns (no carrying)

Add 2-digit and 1-digit numbers in columns - no carrying

35
+ 4

Add two 2-digit numbers in columns - no carrying

34
+ 15

Add a 2-digit 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 word problems
Addition with sums 50 or less
Add 3 or more numbers
Add / subtract word problems with mostly single digit numbers
Add / subtract word problems with numbers under 50