3.OA.9 Worksheets for 3rd Grade Math Google Slides:These worksheets are aligned with Common Core Standard 3.OA.9: Arithmetic Patterns. Designed to make the classroom efficient and interactive, the worksheets are presented as Google Slides, eliminating paper and planning. 3.OA.9: Identify arithmetic patterns (including patterns in the addition table or multiplication table), and explain them using properties of operations.These two Google Slides worksheets are perfect for laptops, iPads, Chrom