Curated OER
Doubling Two Digit Numbers (All Problems) Version 2
In this addition worksheet, students solve 40 problems in which two digit numbers are doubled. There will be carrying in some of the problems. Example: 79 + 79.
Primary Resources
Primary Resources: Doubling and Halving
Great teacher resources for helping students learn how to double or halve numbers quickly. Includes worksheets, PowerPoint presentations, and classroom games.