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

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.

Minnesota K-12 Academic Standards benchmark: 7.2.1.2 · spelling patterns and 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 Minnesota

In the Minnesota K-12 Academic Standards, this is unit 13 of 13 in 7th grade English Language Arts, after Framing the Message.

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: Minnesota Department of Education (MDE)

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 is the plural of “piano”?

    • pianos
    • pianose
    • piannos
    • pianoes

  2. Question 2

    Which word is spelled correctly?

    • acommodate
    • accommodate
    • acomodate
    • accomodate

  3. Question 3

    Which word is spelled correctly?

    • posesion
    • possesion
    • posession
    • possession

  4. Question 4

    Which word is spelled correctly?

    • concious
    • consious
    • conscous
    • conscious

  5. Question 5

    What is the plural of “hero”?

    • herose
    • heroes
    • heroez
    • heros

  6. Question 6

    Which word is spelled correctly?

    • maintainence
    • maintenence
    • maintenance
    • maintainance

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