# Horizontal Addition - Math Worksheets

These basic **Addition worksheets** are made up of Horizontal Addition questions, where the math questions are written left to right.

Click on one of the links below to see the printable worksheet.

- Horizontal Addition
- Vertical Addition

## "Horizontal" Example

## HORIZONTAL ADDITION

The following are math worksheets for addition, with questions written horizontally (ie: left to right).

### Adding numbers - One Option

- Adding by 1
- Adding by 2
- Adding by 3
- Adding by 4
- Adding by 5
- Adding by 6
- Adding by 7
- Adding by 8
- Adding by 9
- Adding by 10
- Adding by 11
- Adding by 12
- Adding by 13
- Adding by 14
- Adding by 15
- Adding by 16
- Adding by 17
- Adding by 18
- Adding by 19

### Adding numbers - Multiple Options

- Adding by 1, 2
- Adding by 1, 2, 3
- Adding by 1, 2, 3, 4
- Adding by 1, 2, 3, 4, 5
- Adding by 1, 2, 3, 4, 5, 6
- Adding by 1, 2, 3, 4, 5, 6, 7
- Adding by 1, 2, 3, 4, 5, 6, 7, 8
- Adding by 1, 2, 3, 4, 5, 6, 7, 8, 9
- Adding by 2, 3
- Adding by 2, 3, 4
- Adding by 2, 3, 4, 5
- Adding by 2, 3, 4, 5, 6
- Adding by 2, 3, 4, 5, 6, 7
- Adding by 2, 3, 4, 5, 6, 7, 8
- Adding by 2, 3, 4, 5, 6, 7, 8, 9
- Adding by 3, 4
- Adding by 3, 4, 5
- Adding by 3, 4, 5, 6
- Adding by 3, 4, 5, 6, 7
- Adding by 3, 4, 5, 6, 7, 8
- Adding by 3, 4, 5, 6, 7, 8, 9
- Adding by 4, 5
- Adding by 4, 5, 6
- Adding by 4, 5, 6, 7
- Adding by 4, 5, 6, 7, 8
- Adding by 4, 5, 6, 7, 8, 9
- Adding by 5, 6
- Adding by 5, 6, 7
- Adding by 5, 6, 7, 8
- Adding by 5, 6, 7, 8, 9
- Adding by 6, 7
- Adding by 6, 7, 8
- Adding by 6, 7, 8, 9
- Adding by 7, 8
- Adding by 7, 8, 9
- Adding by 8, 9

### Adding Doubles

- Adding Doubles (0 thru 5)
- Adding Doubles (0 thru 10)
- Adding Doubles (6 thru 10)
- Adding Doubles plus 1 (0 thru 10)

### Adding two-digit and one-digit numbers

- Adding two-digit numbers (up to 20) and one-digit numbers
- Adding two-digit numbers (up to 30) and one-digit numbers
- Adding two-digit numbers (up to 40) and one-digit numbers
- Adding two-digit numbers (up to 50) and one-digit numbers
- Adding two-digit numbers (up to 60) and one-digit numbers
- Adding two-digit numbers (up to 70) and one-digit numbers
- Adding two-digit numbers (up to 80) and one-digit numbers
- Adding two-digit numbers (up to 90) and one-digit numbers

### Adding by 10's

- Adding by Multiples of 10, up to 50
- Adding by Multiples of 10, up to 60
- Adding by Multiples of 10, up to 70
- Adding by Multiples of 10, up to 80
- Adding by Multiples of 10, up to 90
- Adding by Multiples of 10, up to 100

### Adding 2 numbers up to 3 digits

- Adding 2 numbers, 3 digits, sum not exceeding 999
- Adding 2 numbers, 3 digits, sum not exceeding 1,998

## "Horizontal"

Missing Addends Example

### Missing Addends

- Missing Addends (0 thru 5)
- Missing Addends (0 thru 6)
- Missing Addends (0 thru 7)
- Missing Addends (0 thru 8)
- Missing Addends (0 thru 9)
- Missing Addends (0 thru 10)