I have never heard of "dice" being used as a singular instead of die. As a collective noun which ...

Singular 'they' / Practice English with Paul

Let's Talk About Singular They.

Common English Grammar Errors with Plurals

English Grammar: How to use 5 confusing indefinite pronouns

collective nouns: singular or plural?

Common Grammar Mistakes in English! Confusing Nouns Singular or Plural

March 2, 2022 NOUNS: NUMBER use of -es Usage of singular and plural THE ENGLISH DICE

Singular vs Plural English Vocabulary #learnenglish

Person or People - Is People Singular or Plural?

Uso de THIS THAT THESE THOSE + PRONUNCIACIÓN / Curso Completo de Inglés 🇺🇸

“There is” or “there are”? Matching Verbs in English

How to convert Singular Noun to Plural Noun | Rules for Singular to Plural Conversion

Basic English Grammar: Have, Has, Had

NOUNS: NUMBER (Singular and plural ) Part-3 THE ENGLISH DICE

Members of the Family in English

Gender Neutral Pronouns: They're Here, Get Used To Them

Luxology Modo - Modeling a Die (What's the singular of dice ?)

Is Fish singular or Plural? #learnenglish #englishgrammar #fish

Singular vs. Plural Verbs | Grammar Lessons