Year 2 English · AC9E2LY12

Build morphemic word families using knowledge of prefixes and suffixes

Prefixes and suffixes are morphemes added to a base word. They create word families and change meaning, grammar or both

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Learning goalsSay it simply

1. Outcome Overview & Core Concepts

Prefixes and suffixes are morphemes added to a base word. They create word families and change meaning, grammar or both.

Learning target: build morphemic word families using knowledge of prefixes and suffixes

Big idea: Build related words by adding meaningful parts

Learning routine: Find base → Add prefix or suffix → Read new word → Explain new meaning

Key conceptTeach from the board

2. Subject-Specific Content & Key Examples

Build a word family

helphelpfulhelplesshelper

The base help remains connected to the meaning of every family member.

Explain the effect of an affix

un + happy = unhappyplay + er = playerjump + ed = jumpedkind + ness = kindness

Name both the added morpheme and its effect on meaning or word function.

Sort and notice

Build word-family trees from common base words.

Guided practice

  1. Sort and notice — Build word-family trees from common base words.
  2. Build or improve — Sort affixes by whether they come before or after the base and explain their effect.
  3. Explain your choice — Use the words base word, prefix, suffix to explain what you changed and why.
Clean visual examplesOne-page board

Clean one-page examples

AC9E2LY12 - Build morphemic word families using knowledge of prefixes and suffixes
Example 1

help helpful helpless helper

Example 2

un + happy = unhappy play + er = player jump + ed = jumped kind + ness = kindness

Example 3

Build a word family help helpful helpless helper The base help remains connected to the meaning of every family member.

Example 4

Explain the effect of an affix un + happy = unhappy play + er = player jump + ed = jumped kind + ness = kindness Name both the added morpheme and its effect on meaning or word function.

Curriculum examplesCurriculum examples

Curriculum Coverage & Elaborations

The content description is the required target. The elaborations below are taught as examples and contexts, not as disconnected checklist wording.

  • E1: using morphemic knowledge of words to spell unknown words; for example, “one”, “once”, “cover”, “covering”, “uncover”
  • E2: writing unknown words using morphemic knowledge; for example, using the known word “friend” to write “friendly” and “friendship”
Questions and answersWith answers

Revision Notes

  • Remember: Build related words by adding meaningful parts
  • Use the routine: Find base → Add prefix or suffix → Read new word → Explain new meaning
  • Before answering: point to the clue in the spoken words, written sentence, image, page layout or text purpose.
  • Self-check: change the example slightly and see whether the same reasoning still works.
Practice and reviewReady for practice

3. Common Student Misconceptions

  • Any similar spelling is a family: Word-family members share a meaningful base, not just nearby letters.
  • Ignoring meaning changes: Explain what the prefix or suffix contributes.
  • Answer without evidence: Point to the word, sentence, image, sound pattern or text feature that supports the answer.

Practice Thought & Formative Assessment

Use a fresh, code-aligned example. The student should show the exact word, sound, sentence, image feature, audience clue or text evidence that supports the answer.

Quick checks

  • What is a base word?
  • Where does a prefix go?
  • What does -ful add?
  • Build two words from play.

Mastery evidence

  • Identify base words
  • Identify prefixes
  • Identify suffixes
  • Build word families
Curriculum alignmentStart here

1. Outcome Overview & Core Concepts

Prefixes and suffixes are morphemes added to a base word. They create word families and change meaning, grammar or both.

Learning target: build morphemic word families using knowledge of prefixes and suffixes

Big idea: Build related words by adding meaningful parts

Learning routine: Find base → Add prefix or suffix → Read new word → Explain new meaning

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