Doubles, Doubles Plus/Minus One and Two Worksheets | Addition Within 20 Math Facts Woeksheets

This set of worksheets gives students practice with doubles and near doubles addition facts within 20, a strategy that helps them solve unfamiliar facts using ones they already have memorized.

Students begin with doubles facts (like 4+4 or 7+7), then move into doubles plus one, doubles minus one, doubles plus two, and doubles minus two. Once each strategy has been practiced on its own, mixed review worksheets bring the skills together to practice fluency for doubles and near doubles by one and two.

Worksheets included:

• Doubles
• Doubles Plus One
• Doubles Minus One
• Doubles Plus Two
• Doubles Minus Two
• Mixed Doubles and Doubles Plus One
• Mixed Doubles and Doubles Minus One
• Mixed Doubles and Doubles Plus Two
• Mixed Doubles and Doubles Minus Two
• Mixed Doubles, Doubles Plus One, and Doubles Plus Two
• Mixed Doubles, Doubles Minus One, and Doubles Minus Two

Works well for morning work, math centers, homework, assessment, or quick fact fluency checks. Answer keys are included, and the worksheets are black and white and ready to print.