In this single digit addition worksheet, students complete a total of 15 vertical problems. An answer key and reference web site address are included.

In this addition activity, students place the single digit numbers 1-9 on the stars around the Christmas tree, so that each side adds up to the same total.

In this addition practice worksheet, students solve 15 problems that require them to add 1 or 2-digit numbers to 2-digit numbers.

In this addition practice activity, students solve 15 problems that require them to add 1 or 2-digit numbers to 2-digit numbers.

In this addition practice worksheet, students solve 15 problems that require them to add 1 or 2-digit numbers to 2-digit numbers.

In this addition practice learning exercise, students solve 15 problems that require them to add 1 or 2-digit numbers to 2-digit numbers.

In this addition practice worksheet, students solve 15 problems that require them to add 1 or 2-digit numbers to 2-digit numbers.

In this addition practice learning exercise, students solve 15 problems that require them to add 1 or 2-digit numbers to 2-digit numbers.

In this addition practice worksheet, students solve 15 problems that require them to add 1 or 2-digit numbers to 2-digit numbers.

In this addition practice worksheet, students solve 15 problems that require them to add 1, 2, or 3-digit numbers to 3-digit numbers.

In this addition practice activity, students solve 15 problems that require them to add 1, 2, or 3-digit numbers to 3-digit numbers.

In this addition practice worksheet, students solve 15 problems that require them to add 1 or 2-digit numbers to 2-digit numbers.

In this addition practice instructional activity, students solve 15 problems that require them to add 1 or 2-digit numbers to 2-digit numbers.

For this addition practice worksheet, learners solve 15 problems that require them to add 1 or 2-digit numbers to 2-digit numbers.

In this addition practice worksheet, students solve 15 problems that require them to add 1 or 2-digit numbers to 2-digit numbers.

In this addition practice worksheet, students solve 15 problems that require them to add 1 or 2-digit numbers to 2-digit numbers.

In this addition practice worksheet, students solve 15 problems that require them to add 1 or 2-digit numbers to 2-digit numbers.

In this addition practice instructional activity, students solve 15 problems that require them to add 1 or 2-digit numbers to 2-digit numbers.

In this addition practice worksheet, students solve 15 problems that require them to add 1 or 2-digit numbers to 2-digit numbers.

In this addition practice worksheet, students solve 15 problems that require them to add 1 or 2-digit numbers to 2-digit numbers.

In this addition practice instructional activity, students solve 15 problems that require them to add 1 or 2-digit numbers to 2-digit numbers.

In this addition practice instructional activity, students solve 15 problems that require them to add 1 or 2-digit numbers to 2-digit numbers.

In this horizontal addition practice worksheet, students solve 15 problems that require them to add 1 or 2-digit numbers to 2-digit numbers.

In this math learning exercise, students learn to add one digit numbers by drawing "jumps" on a number line. Students solve 6 problems with a number line for each.