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- Addition

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.

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

- 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 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 (0 thru 5)
- Adding Doubles (0 thru 10)
- Adding Doubles (1 thru 5)
- Adding Doubles (1 thru 10)
- Adding Doubles (1 thru 12)
- Adding Doubles (1 thru 24)
- Adding Doubles (6 thru 10)
- Adding Doubles (6 thru 12)
- Adding Doubles (6 thru 24)
- Adding Doubles (13 thru 24)

- Adding Doubles plus one (0 thru 5)
- Adding Doubles plus one (0 thru 10)
- Adding Doubles plus one (1 thru 5)
- Adding Doubles plus one (1 thru 10)
- Adding Doubles plus one (1 thru 12)
- Adding Doubles plus one (1 thru 24)

- 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 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

Missing Addends Example

Choose another fun and educational activity to keep your kids busy. We have lots of different activities to try. And our math sheets, mazes, word decoders, word scrambles, and word search puzzles change each time you visit!

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