Yes — "that" is a Dolch Primer sight word. It follows regular phonics rules, but it's taught for instant, automatic recognition because it appears so often in early reading.
I want that toy.
"That" is fully regular in spelling and sound, but as one of the most common words in English, a child is taught to recognize it instantly rather than decode it letter by letter every time.
Practice "this" and "that" with real objects — near ones are "this", far ones are "that" — to anchor the meaning as well as the spelling.
Word Wizard teaches "that" with Flash Cards, Listen & Pick, Spell It, and Write It — four game modes that turn repetition into play.
See "that" with its picture, syllables, and example sentence — with native audio.
Hear "that" spoken aloud and pick it out from similar-looking words.
Build "that" letter by letter from shuffled tiles.
Word Wizard turns sight word practice into a game — Flash Cards, Listen & Pick, Spell It and Write It, from Pre-K through Grade 5.