MSN: 3rd graders design wedding dress for Taylor Swift in 'Cinderella'-inspired STEM project — complete with the cutest accessory 3rd graders design wedding dress for Taylor Swift in 'Cinderella'-inspired STEM project — complete with the cutest accessory AOL: 3rd Graders Design Wedding Dress for Taylor Swift in “Cinderella”-Inspired STEM Project — Complete with the Cutest Accessory 3rd Graders Design Wedding Dress for Taylor Swift in “Cinderella”-Inspired STEM Project — Complete with the Cutest Accessory The students also created a series of whimsical accessories to match A group of third-grade students at a Tennessee all-girls school worked together to create a wedding dress for Taylor Swift as part ... Our numbers have a specific two-letter combination that tells us how the number sounds. For example 9th 3rd 301st What do we call these special sounds?

Understanding the Context

What is the most correct form for 3 in ordinal form: 3rd or 3d? I know both are valid. But I heard that 3rd is something like spoken form and it's grammatically correct to use 3d. Ordinal 3: 3rd vs 3d - English Language & Usage Stack Exchange