Virginia SOL 1.RV.1.E
The Standard
Determine the meaning of an unknown word using frequently occurring root words and inflectional affixes (e.g. -s, -ing, -ed).
Virginia Standards of Learning for English
Teacher's field guide
What This Standard Means
What Students Need to Do
- Students find the familiar base word inside a longer word. They use endings such as -s, -ing, and -ed to work out meaning and time.
What Mastery Looks Like
- Students separate a familiar base word from its ending. They use the base and the ending to explain the word’s meaning in a sentence.
Common Misconceptions
- Students may treat the ending as part of an entirely new word. They may also confuse -ed with something happening now or miss that -s can mean more than one.
How to Assess It
- Give students this sentence: “The dog jumped over the log.” Ask them to circle the base word in jumped and explain what -ed tells them.
Lesson moves
Ways to Teach It
Give students word cards and ending tiles for -s, -ing, and -ed, then have them build words and act out each meaning.
Ask students to compare jump, jumps, jumping, and jumped, then write what changes in each word.
Play Ending Sort: students place word cards under -s, -ing, or -ed and earn a point for explaining each word.
Read a classroom schedule and find words such as reading, walked, or books, then discuss what each ending tells the reader.
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Printable 1.RV.1.E Worksheet

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Related Standards
- 4.RV.1.C
Determine the meaning of complex words using frequently occurring root words and inflectional affixes (e.g. -s, -ing, -ed).
- 2.RV.1.C
Determine the meaning of an unknown word using frequently occurring root words and inflectional affixes (e.g. -s, -ing, - ed).
- 5.RV.1.C
Determine the meaning of complex words using frequently occurring root words and inflectional affixes (e.g., -s, -ing,-ed).
- 3.RV.1.C
Determine the meaning of complex words using frequently occurring root words and inflectional affixes (e.g. -s, -ing, -ed).
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