ReadyKorea

G5 Lesson 15: Word Roots: Suffixes in Academic Vocabulary

Age: 10-11 years

Duration: 70 min

Objectives

  • Analyze suffix patterns (-tion, -ist, -ive, -able, -ity) in academic word families.
  • Predict word class and meaning from suffix cues.
  • Use target suffix words in an argumentative paragraph about a class topic.

Vocab

  • analysis / -tion: "-tion often turns verbs into nouns — analyze → analysis."
  • scientist / -ist: "-ist means a person who does — science → scientist."
  • productive / -ive: "-ive often means having the quality of — product → productive."
  • measurable / -able: "-able means can be done — measure → measurable."
  • equality / -ity: "-ity is a noun state — equal → equality."

Warm-up (5min)

Suffix sort — root cards (product, equal, measure) — students add suffix cards and say new word + part of speech.

Main Activity (55min): "Word Roots"

"Suffix Academic Word Lab" — Round 1: Suffix chart — 5 suffixes with meaning, word class, 3 examples each. Round 2: Word family trees — analyze/analysis/analyst; produce/product/productive/production. Round 3: Predict meaning — unfamiliar words with known suffix (accountability, creative, measurable) — infer then check. Round 4: Gap fill in argumentative context — 10 items. Round 5: Paragraph task — 6 sentences using at least 5 suffix words on essay topic or supply chain ethics. Round 6: Complete G5 morphology binder — prefix (L03) + bases (L07) + suffix (L15) one-page summary. Quick oral quiz: 6 suffix meanings.

Wrap-up (5min)

Exit: "One suffix I learned is ___ . It changes the word to a ___ ."

Teacher Tips

  • Third morphology unit — binder page is exam prep asset; photograph for parents if helpful.
  • Noun vs adjective confusion — have students label word class in margin of paragraph.
  • Suffix words elevate essay tone — encourage use in Lesson 16 revision pass.
← G5 Lesson 14: Essay Structure: ConclusioG5 Lesson 16: Argumentative Essay Worksh →
← View all Grade 5 lessons