X rays


Associate the letter X (and the lowercase letter x) with the /ks/ sound (e.g., X-ray, box, t-rex).

Lesson Plan

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Target Words:

  • X-ray
  • six
  • fox
  • ox
  • ax
  • T-rex


  • Hopscotch grid and small box to toss on the grid
  • Letter X pictures to use as X-rays
  • Letter cards
  • Real X-ray picture (optional)

Tell the children they will pretend to do X-rays of different things as they practice writing the letter X and saying the /ks/ sound such as T-rex, fox, and ax. Explain that an X-ray is a picture that doctors take of a person’s bones.

Literacy Activities
Examine the room for Xs

  • Hide X pictures around the room.
  • Have the children examine the room to find an X.
  • Tell the children to say, “I found an X! X says /ks/” when they find an X.

Examine X-rays

  • Hold up the X-ray pictures one at a time.
  • Have the children try to guess the image behind the X.
  • When a child guesses correctly, write the word on the board.
  • Have the children point to the X in the word and say the /ks/ sound.
  • Let the children use letter cards to make words from the activity that have the letter X.

More Practice
Box hop

  • Create a hopscotch game by drawing a hopscotch grid on a large piece of paper or by placing smaller sheets together.
  • Invite children to fill each square by writing an X.
  • Drop a small box onto the hopscotch grid.
  • Don’t hop on the square where the box lands.
  • Have the children say the /ks/ sound as they hop from square to square.

Write the target letter

  • Have the children draw a picture of one of the X-ray images and cut it out to make their own X-ray.
  • Have the children write the letter X all over their X-ray image.


SEEL At Home

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Associate the letter X with the /ks/ sound (e.g., X-ray, box, ax).


  • X pictures to use as X-rays
  • Flashlight

Activity: X-rays

  • Pretend to take X-rays of the X pictures by shining a flashlight against the wall and putting the X pictures in front of the light.
  • Have your child draw picture of an object from the activity to make his/her own X-ray.
  • Have your child write the letter X all over the X-ray.  
  • Write "An X-ray of a(n) ___" at the bottom of the picture.
  • The activity can be repeated several times.



See More

1. CCSS.ELA-LITERACY.RF.K.1.D: Recognize and name all upper and lower case letters in the alphabet.
2. CCSS.ELA-LITERACY.RF.K.3.A: Demonstrate basic knowledge of one-to-one letter-sound correspondences by producing the primary sound or many of the most frequent sounds for each consonant.