# Addition of Single and Double Digits Worksheets

Single-digit and double-digit numbers are fairly easier to add than adding triple-digit numbers. The addition is one of the most basic mathematical techniques that is usually taught in elementary classes. Single-digit numbers are extremely easy to be added. They can also be added on fingers; it is basic counting. However, they can also be solved in writing. There is another technique for adding single-digit numbers. It is called tally marks. In tally marks, you make bars representing digits. In tally marks, the maximum number of bars that you can draw in a set is five, and there is a rule for drawing tally marks. After making every fourth mark, you draw the fifth one diagonally or horizontally as if it is cutting the other four marks. For example, a tally mark can look like this |||| For the addition of double-digit numbers; they can be added using the typical addition method.

• ### Basic Lesson

Shows the addition of the ones and carrying into the tens columns. Also includes practice problems.

• ### Intermediate Lesson

Displays the concept of renaming columns.

• ### Independent Practice 1

Contains 20 single and double digits addition problems. The answers can be found below.

• ### Independent Practice 2

Contains 20 single and double digits addition problems. The answer key is below.

• ### Homework Worksheet

12 sums of double and single problems. 4 complete examples are provided.

• ### Topic Quiz

10 single-double addition problems. A math scoring matrix is included.