Download this free Letter X worksheet focused on the ending sound in “box.” A preschool and kindergarten printable designed to teach how X commonly appears at the end of words while building tracing and phonics skills.

Download your free worksheet below:
Skills Covered:
Letter recognition
Letter formation
Ending sounds
Fine motor skills
Why Learning Ending Sounds Matters
Learning ending sounds helps children strengthen early reading and spelling skills. As children practice hearing and recognizing ending sounds, they begin understanding how letters work together to build words.
Children practicing ending sounds are strengthening:
Phonemic awareness
Letter-sound recognition
Reading readiness
Spelling skills
Listening skills
Vocabulary development
Fine motor development
The word “box” ends with the letter X sound (/ks/), which children also hear at the end of words such as fox and six.
Parent and Teacher Tips
Say the word aloud slowly and clearly.
Stretch the ending sound when pronouncing the word.
Practice listening for the final sound in simple words.
Point to the letter X while saying the /ks/ sound.
Encourage effort rather than perfect answers.
Keep learning playful and positive.
Practice identifying ending sounds during everyday conversations.
Questions to Ask Your Child
What word are we practicing today?
What sound do you hear at the end of “box”?
Can you think of another word that ends with the /ks/ sound?
What letters make the ending sound in box?
Can you clap the sounds in the word box?
Can you think of other words with the letter X?
Fun Facts About the Letter X
The letter X often makes the /ks/ sound in words.
The letter X is less common at the beginning of words in English.
Words such as box, fox, and six all end with the /ks/ sound.
The uppercase X and lowercase x are formed using crossing lines.
Children often recognize the letter X easily because of its unique shape.
Practice Beyond the Worksheet
Try these activities after completing the worksheet:
Say words aloud and listen for ending sounds.
Build the letter X using craft sticks.
Draw pictures of words ending with the /ks/ sound.
Read simple rhyming books together.
Look through books or magazines and circle the letter X.
Sort words by ending sounds.
Practice tapping out sounds in short words.
Related Concepts
After practicing ending sounds, children can continue learning:
Beginning sounds
Middle sounds
Rhyming words
CVC words
Letter recognition
Phonics skills
Early spelling
Reading fluency
Pre-writing skills
Fine motor development
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