- Horizontal Addition
- Vertical Addition
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
Horizontal Addition Example
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 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12
- 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 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12
- 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 3, 4, 5, 6, 7, 8, 9, 10, 11, 12
- 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 4, 5, 6, 7, 8, 9, 10, 11, 12
- Adding by 5, 6
- Adding by 5, 6, 7
- Adding by 5, 6, 7, 8
- Adding by 5, 6, 7, 8, 9
- Adding by 5, 6, 7, 8, 9, 10, 11, 12
- Adding by 6, 7
- Adding by 6, 7, 8
- Adding by 6, 7, 8, 9
- Adding by 6, 7, 8, 9, 10, 11, 12
- Adding by 7, 8
- Adding by 7, 8, 9
- Adding by 7, 8, 9, 10, 11, 12
- Adding by 8, 9
- Adding by 8, 9, 10, 11, 12
- Adding by 9, 10, 11, 12
Adding Basic Facts
Adding Doubles
Adding Doubles plus one
- Adding Doubles plus one (0 to 5)
- Adding Doubles plus one (0 to 10)
- Adding Doubles plus one (1 to 5)
- Adding Doubles plus one (1 to 10)
- Adding Doubles plus one (1 to 12)
- Adding Doubles plus one (1 to 24)
- Adding Doubles plus one (6 to 10)
- Adding Doubles plus one (6 to 12)
- Adding Doubles plus one (6 to 24)
- Adding Doubles plus one (13 to 24)
- Adding Doubles plus one (10 to 20)
- Adding Doubles plus one (10 to 30)
- Adding Doubles plus one (10 to 40)
- Adding Doubles plus one (10 to 50)
- Adding Doubles plus one (10 to 60)
- Adding Doubles plus one (10 to 70)
- Adding Doubles plus one (10 to 80)
- Adding Doubles plus one (10 to 90)
- Adding Doubles plus one (10 to 100)
- Adding Doubles plus one (50 to 100)
- Adding Doubles plus one (100 to 200)
- Adding Doubles plus one (100 to 999)
Adding by 10's
Adding two-digit number with one-digit number
- Adding two-digit number (up to 20) with one-digit number
- Adding two-digit number (up to 30) with one-digit number
- Adding two-digit number (up to 40) with one-digit number
- Adding two-digit number (up to 50) with one-digit number
- Adding two-digit number (up to 60) with one-digit number
- Adding two-digit number (up to 70) with one-digit number
- Adding two-digit number (up to 80) with one-digit number
- Adding two-digit number (up to 90) with one-digit number
Adding two-digit numbers
Adding three-digit numbers
- Adding three-digit numbers (100 to 200)
- Adding three-digit numbers (100 to 300)
- Adding three-digit numbers (100 to 400)
- Adding three-digit numbers (100 to 500)
- Adding three-digit numbers (100 to 600)
- Adding three-digit numbers (100 to 700)
- Adding three-digit numbers (100 to 800)
- Adding three-digit numbers (100 to 900)
- Adding three-digit numbers (100 to 999)
- Adding three-digit numbers (500 to 999)
- Adding three-digit numbers, sum not exceeding 999
- Adding three-digit numbers, sum not exceeding 1,998
Adding decimal numbers (1 decimal place)
- Adding 1 decimal place (1 to 10)
- Adding 1 decimal place (1 to 20)
- Adding 1 decimal place (1 to 30)
- Adding 1 decimal place (1 to 40)
- Adding 1 decimal place (1 to 50)
- Adding 1 decimal place (10 to 20)
- Adding 1 decimal place (10 to 30)
- Adding 1 decimal place (10 to 40)
- Adding 1 decimal place (10 to 50)
- Adding 1 decimal place (10 to 99)
Horizontal Adding Decimals Example
Adding decimal numbers (Up to 2 decimal places)
Adding decimal numbers (Up to 3 decimal places)
Missing Addends
- Missing Addends (0 to 5)
- Missing Addends (0 to 6)
- Missing Addends (0 to 7)
- Missing Addends (0 to 8)
- Missing Addends (0 to 9)
- Missing Addends (0 to 10)
- Missing Addends (5 to 10)
- Missing Addends (5 to 15)
- Missing Addends (10 to 20)
- Missing Addends (10 to 30)
- Missing Addends (10 to 40)
- Missing Addends (10 to 50)
- Missing Addends (10 to 60)
- Missing Addends (10 to 70)
- Missing Addends (10 to 80)
- Missing Addends (10 to 90)
Horizontal
Missing Addends Example
Other Addition Activities
Choose another fun and educational activity to keep your kids busy. We have Addition flashcards to try. And many of our activities change each time you visit!
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