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# Horizontal Addition - Math Worksheets

These basic **Addition worksheets** are made up of Horizontal Addition questions, where the math questions are written left to right. The worksheets are printable and the questions on the math worksheets change each time you visit.

With our math sheet generator, you can easily create Addition worksheets that are never the same and always different, providing you with an unlimited supply of math sheets to use in the classroom or at home.

Each math sheet also has an optional **answer key** checkbox that you can select, if you wish to print an answer key to go along with your math worksheet.

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

## HORIZONTAL ADDITION

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

### Adding numbers - One Option

### 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 two-digit and one-digit numbers

### Adding by 10's

### Adding 2 numbers up to 3 digits

### "Horizontal" Addition Example

### "Horizontal" Addition

Missing Addends Example