Add the Doubles Plus One Numbers: Free Printable Worksheets for Grade 1

Adding doubles plus 1 will allow first-grade students to continue practicing their skill with adding doubles, however, this time they will be adding doubles plus 1. These problems are just like adding doubles, but they are something like 5+6 or 8+9. Students will use their knowledge of what 5+5 is to add essentially 5+5+1 to complete the work. These free worksheets from ArgoPrep, that were created by teachers, will have students quickly mastering this skill of adding doubles plus one.