These free worksheets by ArgoPrep take the skill of adding doubles and challenge students to take it further by adding doubles plus 2. Students then have the opportunity to practice until they are proficient with this addition strategy. Students will be able to take a problem like double 3 plus 2 and determine that the answer is 8. This is a great strategy for students to use for quick addition of numbers. First grade students will be able to practice this skill with this downloadable worksheet.

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