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5th grade · English Language Arts · Unit 13 of 13

Sound Changes & Word Parts

select → selection, music → musician, plus trans-, super-, -ive, -logy, geo and photo.

What your child practices

Your child reads and spells words whose sounds change when a suffix is added (music, musician) and uses the affixes and roots trans-, super-, -ive, -logy, geo and photo.

Texas Essential Knowledge and Skills (TEKS) teks student expectation: 5.2(A); 5.2(B); 5.3(C) · consonant sound changes and the affixes and roots trans-, super-, -ive, -logy, geo and photo

How we explain it

Children can open this short lesson before they practice.

  1. Some sounds change when you add a suffix: music → musician, select → selection.
  2. trans- means across, super- means above, -ive means tending to, -logy means the study of.
  3. geo means earth and photo means light.

Example: What does -logy mean in “biology”? Bio means life. -logy is a suffix for a field of study. Answer: the study of

Sound Changes & Word Parts in Texas

In the Texas Essential Knowledge and Skills (TEKS), this is unit 13 of 13 in 5th grade English Language Arts, after Adages, Puns & Persuasion.

Gradelings describes a child's practice on this unit as Beginning, Approaching, Meeting or Exceeding (Four practice steps). That reflects practice, not a report-card mark: the teacher decides the mark.

Source: Texas Education Agency (TEA)

Sample questions

A taste of this unit. In the app, questions change every time and get easier or harder to match your child.

  1. Question 1

    What does trans- mean in “transport”?

    • without
    • across
    • before
    • under

  2. Question 2

    Add -ion to “select”. Which word do you make?

    • selectshun
    • selection
    • selektion
    • selecsion

  3. Question 3

    Add -ion to “invent”. Which word is it?

    • inventshun
    • invension
    • invention
    • invencion

  4. Question 4

    Add -ion to “act”. Which spelling is right?

    • action
    • aktion
    • acsion
    • actshun

  5. Question 5

    Which word means “the study of the earth”?

    • geology
    • zoology
    • biology
    • photograph

  6. Question 6

    Which spelling is right?

    • mathamatician
    • mathematition
    • mathematician
    • mathematicion

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