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7th grade · English Language Arts · Unit 13 of 20

Spelling: Prefixes and Patterns

-cede or -ceed, double letters and plurals

What your child practices

Children practice US spelling: -cede, -ceed and -sede, prefixes and suffixes that create double letters, -able and -ible, irregular plurals and commonly misspelled words.

New York State Learning Standards learning standard: 7L2 · spelling correctly with prefix, suffix and plural rules

How we explain it

Children can open this short lesson before they practice.

  1. Only one word ends in -sede (supersede), three in -ceed (exceed, proceed, succeed). The rest end in -cede (precede).
  2. Adding a prefix never drops a letter: un + necessary = unnecessary.
  3. Learn double letters in tricky words: accommodate (two c’s, two m’s), recommend (one c, two m’s).

Example: Add un- to “necessary.” Which spelling is correct? Keep every letter of both parts. un + necessary gives two n’s. Answer: unnecessary

Spelling: Prefixes and Patterns in New York

In the New York State Learning Standards, this is unit 13 of 20 in 7th grade English Language Arts, after Framing the Message and before Reading Strategies.

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: New York State Education Department (NYSED)

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

    Which word is spelled correctly?

    • possession
    • posession
    • posesion
    • possesion

  2. Question 2

    Add un- to “necessary.” Which spelling is correct?

    • unneccessary
    • unnecessary
    • unnecesary
    • unecessary

  3. Question 3

    Which word is spelled correctly?

    • seize
    • sieze
    • seeze
    • seaze

  4. Question 4

    What is the plural of “thief”?

    • thiefes
    • thiefs
    • thieves
    • theives

  5. Question 5

    Add mis- to “spell.” Which spelling is correct?

    • missspell
    • misspel
    • mispell
    • misspell

  6. Question 6

    Which word is spelled correctly?

    • supersede
    • supperseed
    • superseed
    • supercede

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