Great trick for teaching how to make Students use a highlighter to find the and then circle the other number with a crayon. Although, I think it would be easier to always make 10 with the larger number, not necessarily the first number in the equation.
First Grade Math Unit 2: Number Sense, Part Part Whole, Number Bonds, and more
Teach Your Child to Read - Making a 10 to Add is a great math strategy to help students mentally add bigger numbers. Its a skill I picked up somewhere along the way i.Pave the Way for a Bright, Successful Future.