Adding Doubles to Find Doubles Plus 1

Learn how to use doubles facts to solve other addition problems! This worksheet has students solve sequential doubles equations up to 20. Then, students are prompted to solve a related addition fact by adding one to the sum of the doubles equation. 

Intended for second graders, this worksheet is a great resource for introducing students to the doubles method of solving addition problems. This strategy builds on students’ existing knowledge of doubles facts to help them solve related addition facts within 20. A strong base in addition strategies like the doubles method will help students as they continue to develop their addition and subtraction skills. 

For more practice using the doubles strategy to find sums, check out Doubles Plus One and Doubles Minus One #1 and Doubles Plus Two and Doubles Minus Two #1!