The Word Forge · Case 01Key Language Use: ExplainELD-LA · Language for Language ArtsAbout 18 minutes · Recommended grades 3-5
The Broken Aqueduct Arch
Students use prefixes, roots, and suffixes to construct precise academic words and expand short sentences to explain a structural repair.
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Standards Architecture
WIDA alignment for practice
Aligned for classroom practice to the WIDA English Language Development Standards Framework, 2020 Edition. This is not an official WIDA score, ACCESS score, or proficiency level.
- Standard: Language for Language Arts
- Key Language Use: explain
- Discourse: A technical repair specification that defines structural problems with derived words and explains the sequence of bracing and resetting.
- Sentence: Expanded sentences that attach causal and temporal clauses to a kernel statement.
- Word and phrase: rebuild, inspection, unstable, supportive, precisely, re-, un-, -ion.
Instructional Guidance
Teaching notes
About 18 minutes. Recommended grades 3-5. Content area: language-arts.
Lesson Objectives
- Analyze and assemble prefixes (re-, un-) and suffixes (-ion, -ly) to convey exact meaning.
- Replace vague verbs and adjectives with precise morphological forms in explanatory writing.
Pathway ScaffoldingGuided pathway provides morphological word banks and frames. Developing pathway offers on-demand starters. Independent pathway adds an apprentice glossary note on Latin roots.
Likely language demands
- Students may write 'fix the bad rock' instead of naming the unstable keystone and rebuilding the arch.
- Students may omit why the wooden brace must be placed before lifting the cracked stone.
What independent performance looks like
Independent performance uses derived words (unstable, rebuild, inspection) and explains the bracing requirement without frames.
Follow-up
- Classroom studio: Academic Word Matrix (/studios), then Word Forge adventure 2.