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English lesson plan · 4th grade (Year 5 in England) · 60 minutes

Prefixes sub-, inter-, super-, anti- and auto-

Vocabulary

CCSS L.4.4.BEngland: Y3/4 Spelling (prefixes sub-, inter-, super-, anti-, auto-)England: Y3/4 Vocabulary

Objective and success criteria

Students will: Prefixes sub-, inter-, super-, anti- and auto-.

  • I can answer questions on today's skill on my own, without help.
  • I can explain each step and say why it works.
  • I can check my answer and spot a mistake.

Before and after

Needs first: What does the prefix mean? (mis-, over-, non-, pre-, dis-)

Leads to: Greek and Latin word parts: tele, graph, port, aqua, scope; Make verbs with -ify, -ise/-ize, -ate and -en; Verb prefixes de-, dis-, mis-, over- and re-

Materials: Word cards, A thesaurus or dictionary, A short text with the target words, Mini whiteboards, A short model text on the board, Printed student sheet (below).

Warm-up · 6 min

  • Quick retrieval from earlier learning (What does the prefix mean? (mis-, over-, non-, pre-, dis-)). Students answer on mini whiteboards.
  • Show answers together and note who needs support in the main task.
  1. What does "misread" mean? (read before / read wrongly / read again / not read) → read wronglyPrompt: Split the word into prefix + root.
  2. Use the clue in brackets. Which word fits? I ___ the answer, so I lost a point. (read it wrongly) (preread / misread / reread) → misreadPrompt: Read the clue in brackets.
  3. Type the new word. Add a prefix to "behave" to make a word that means "behave badly". → misbehavePrompt: Which prefix has that meaning?

Hook · 6 min

  • Show an interesting word in a sentence and ask what it might mean from the clues around it.
  • Share the objective: Prefixes sub-, inter-, super-, anti- and auto-. Read the success criteria together.

I do: model it · 12 min

  • Work through the example out loud, saying why you do each step, not just what you do.
  • Example: What does "submarine" mean?
  • Step 1: These prefixes come from Latin (sub-, inter-, super-) and Greek (anti-, auto-).
  • Step 2: So the answer is: a ship that travels under the sea
  • Answer: a ship that travels under the sea
  • Pause after each step and ask a student to say what comes next.

We do: guided practice · 12 min

  • Do these together. Students try each step on whiteboards before you reveal it.
  • Use the hints as prompts rather than giving the answer.
  1. What does "subheading" mean? (a heading between two pages / a heading against the text / a smaller heading under the main one / a very big heading) → a smaller heading under the main onePrompt: Find the prefix and think about what it means.
  2. Which prefix completes the word? ___star (a performer who is far more famous than most) (sub / super / anti / auto) → superPrompt: Read the clue in brackets.

You do: independent practice · 17 min

  • Students work on the student sheet. Circulate and check the first two answers of every student early.
  • Students who finish: write a question of their own for a partner, with the answer.

The 8 questions are on the student sheet below, with answers in the key.

Exit ticket · 7 min

  • Two questions on their own. Sort answers into got it / nearly / not yet to plan the next lesson.
  1. What does "antifreeze" mean? (a very cold liquid / a liquid between two layers / a liquid that works against freezing / a liquid that freezes quickly) → a liquid that works against freezingPrompt: Find the prefix and think about what it means.
  2. Which prefix completes the word? ___act (act with each other) (sub / inter / anti / auto) → interPrompt: Read the clue in brackets.

Watch out for

  • Picking a "bigger" synonym that doesn't fit the meaning.
  • Ignoring the clues in the rest of the sentence.

Support and stretch

Support

  • Review first: What does the prefix mean? (mis-, over-, non-, pre-, dis-).
  • Use concrete materials: word cards.
  • Give the first step of each question, or a partly worked example to finish.
  • Pair with a confident partner for the guided practice.

Stretch

  • Move on to: Greek and Latin word parts: tele, graph, port, aqua, scope; Make verbs with -ify, -ise/-ize, -ate and -en; Verb prefixes de-, dis-, mis-, over- and re-.
  • Explain a common mistake in writing and how to fix it.
  • Write a word problem that uses today's skill, then solve a partner's.

Homework and more practice

Free online practice with hints and printable worksheets for this skill: eurekami.com/english/grade-4.

Free lesson plan from eurekami.com/lesson-plan-builder

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Prefixes sub-, inter-, super-, anti- and auto-

Name

Date

Score/ 8

  1. Question 1

    Which prefix completes the word? ___septic (fights against germs)

    • A. inter
    • B. super
    • C. anti
    • D. auto
  2. Question 2

    What does "antiseptic" mean?

    • A. a liquid full of germs
    • B. a liquid under the skin
    • C. a liquid that cleans itself
    • D. a liquid that works against germs
  3. Question 3

    What does "intercity" mean?

    • A. under a city
    • B. above a city
    • C. between cities
    • D. against a city
  4. Question 4

    What does "international" mean?

    • A. against a nation
    • B. under a nation
    • C. between nations
    • D. a very large nation
  5. Question 5

    Which prefix completes the word? ___tract (take away from under)

    • A. sub
    • B. super
    • C. anti
    • D. auto
  6. Question 6

    Which prefix completes the word? ___market (a very large shop)

    • A. sub
    • B. inter
    • C. super
    • D. anti
  7. Question 7

    What does "supersonic" mean?

    • A. against noise
    • B. faster than the speed of sound
    • C. slower than sound
    • D. under the sound
  8. Question 8

    Which prefix completes the word? ___view (a meeting between two people with questions)

    • A. sub
    • B. inter
    • C. anti
    • D. auto

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Answer key: Prefixes sub-, inter-, super-, anti- and auto-

  1. 1. C. anti

  2. 2. D. a liquid that works against germs

  3. 3. C. between cities

  4. 4. C. between nations

  5. 5. A. sub

  6. 6. C. super

  7. 7. B. faster than the speed of sound

  8. 8. B. inter