Unscrambling a word asks a first grader to do something harder than sounding a word out: hold every letter in mind at once and rebuild the correct order from a jumble that gives no left-to-right clues. Without any other help, that becomes a guessing game a child can solve by trying letter combinations rather than by knowing the word. That is why every item here pairs the scrambled letters with a short clue describing what the word means, so your child first decides which real word fits the clue and then checks that the scrambled letters truly spell it.
Support versions swap only two neighboring letters, so the word stays almost readable. Standard and challenge versions mix every letter fully, and challenge uses longer animal names with more letters to rebuild. Encourage your child to read the clue first, say the word they think it is, and then count the scrambled letters to be sure the number matches before writing the answer.
What your child will learn
Use a meaning clue to guess the target word first
Reorder scrambled letters into a real word
Check a spelling against the letters given
Build longer words one letter at a time
Worked example
The letters t c a spell a pet that purrs and chases mice: cat.
Common mistake
Trying random letter orders instead of reading the clue and spelling the word it names.
Helpful hint
Read the clue first and say the word before looking at the scrambled letters.