A capital letter at the beginning tells a reader that a new sentence has started. Kindergartners often know capital letters in isolation but forget to use one when they are busy deciding what to say, sounding out words, and controlling a pencil. Some children capitalize a word in the middle because it looks important, while others write every letter as a capital. This worksheet isolates one convention. Each line shows a short sentence written all in small letters, and the child writes it again underneath with a capital letter at the start.
Only the first letter has to change, so the child can concentrate on spotting the first word, forming the big letter and keeping the rest of the sentence the same. Support pages use three-word sentences with familiar vocabulary. Standard and challenge pages keep the same rule with longer sentences. A useful routine is to point to the first letter and ask whether it is tall before checking spaces or the period.
What your child will learn
Find the first word of a sentence
Write a capital letter at the start
Copy the rest of the sentence carefully
Check a sentence opening
Common Core standard: L.K.2.A
Worked example
The line says: the dog runs. Write it again with a big first letter: The dog runs.
Common mistake
Adding a capital in the middle while leaving the first letter lowercase.
Helpful hint
Point to the very first letter. A sentence begins with a big (capital) letter.