English Vocabulary · Grade 8 Live Review Preview
8th Grade Vocabulary Words
Eighth-grade readers move toward high-school-level analysis across literature, argument, research, physical and life science, algebra, economics, history, and civics. This level strengthens precise Tier II and cross-curricular vocabulary while emphasizing context, analogy, word relationships, Greek and Latin roots, multiple meanings, source judgment, and evidence-based communication.
This independently authored 500-word beta curriculum is arranged in twenty pages of twenty-five words each. Words 1–300 include five cloze questions per page; words 301–500 remain fully visible and editable as list pages while the expanded practice layer is developed. Each row includes a subject-field label and an editable word-study note about a transparent affix, compound structure, capitalization, or dictionary base form. The cited Grade 8 resources calibrate difficulty and vocabulary-study skills only; all learner-facing definitions, examples, quizzes, and descriptions are original KSSR copy.
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| # | Word | Details | Meaning | Sample sentence |
|---|---|---|---|---|
| 301 | linear-equation | noun StudyField: Grade 8 mathematics and economics word Word study: Term structure: linear + equation. Study the complete expression as one field-specific unit. | lineare Gleichung | The linear-equation y = 3x + 2 has a slope of three. |
| 302 | y-intercept | noun StudyField: Grade 8 mathematics and economics word Word study: Term structure: y + intercept. Study the complete expression as one field-specific unit. | y-Achsenabschnitt | The line's y-intercept is (0, 4). |
| 303 | x-intercept | noun StudyField: Grade 8 mathematics and economics word Word study: Term structure: x + intercept. Study the complete expression as one field-specific unit. | x-Achsenabschnitt | The graph has an x-intercept at (-2, 0). |
| 304 | fixed-cost | noun StudyField: Grade 8 mathematics and economics word Word study: Term structure: fixed + cost. Study the complete expression as one field-specific unit. | Fixkosten | Monthly rent remains a fixed-cost whether the bakery sells ten loaves or a thousand. |
| 305 | variable-cost | noun StudyField: Grade 8 mathematics and economics word Word study: Term structure: variable + cost. Study the complete expression as one field-specific unit. | variable Kosten | Flour is a variable-cost because the bakery buys more when it makes more bread. |
| 306 | line-of-best-fit | noun StudyField: Grade 8 mathematics and economics word Word study: Term structure: line + of + best + fit. Study the complete expression as one field-specific unit. | Linie der besten Passform | The line-of-best-fit shows that study time and test scores generally rise together. |
| 307 | association | noun StudyField: Grade 8 mathematics and economics word Word study: Suffix focus: -ation commonly forms a noun naming an action, process, or result. | 1. Verein 2. Verband 3. Vereinigung | The scatter plot suggests a positive association between temperature and ice-cream sales. |
| 308 | sales-tax | noun StudyField: Grade 8 mathematics and economics word Word study: Term structure: sales + tax. Study the complete expression as one field-specific unit. | Umsatzsteuer | The receipt lists sales-tax separately from the item's price. |
| 309 | direct-variation | noun StudyField: Grade 8 mathematics and economics word Word study: Term structure: direct + variation. Study the complete expression as one field-specific unit. | direkte Variation | The distance traveled shows direct-variation with time when speed remains constant. |
| 310 | inverse-variation | noun StudyField: Grade 8 mathematics and economics word Word study: Term structure: inverse + variation. Study the complete expression as one field-specific unit. | inverse Variation | For a fixed distance, travel time shows inverse-variation with speed. |
| 311 | rate-of-change | noun StudyField: Grade 8 mathematics and economics word Word study: Term structure: rate + of + change. Study the complete expression as one field-specific unit. | Änderungsrate | The graph's rate-of-change is five kilometers per hour. |
| 312 | property-tax | noun StudyField: Grade 8 mathematics and economics word Word study: Term structure: property + tax. Study the complete expression as one field-specific unit. | Grundsteuer | The town uses property-tax revenue to support schools and fire services. |
| 313 | scientific-notation | noun StudyField: Grade 8 mathematics and economics word Word study: Term structure: scientific + notation. Study the complete expression as one field-specific unit. | wissenschaftliche Notation | The distance 150,000,000 kilometers is 1.5 × 10⁸ in scientific-notation. |
| 314 | square-root | noun StudyField: Grade 8 mathematics and economics word Word study: Term structure: square + root. Study the complete expression as one field-specific unit. | Quadratwurzel | The principal square-root of 81 is 9. |
| 315 | cube-root | noun StudyField: Grade 8 mathematics and economics word Word study: Term structure: cube + root. Study the complete expression as one field-specific unit. | Kubikwurzel | The cube-root of 125 is 5. |
| 316 | irrational-number | noun StudyField: Grade 8 mathematics and economics word Word study: Term structure: irrational + number. Study the complete expression as one field-specific unit. | irrationale Zahl | The number π is an irrational-number with a nonrepeating decimal. |
| 317 | rational-number | noun StudyField: Grade 8 mathematics and economics word Word study: Term structure: rational + number. Study the complete expression as one field-specific unit. | rationale Zahl | The decimal 0.75 is a rational-number because it equals 3/4. |
| 318 | payroll-tax | noun StudyField: Grade 8 mathematics and economics word Word study: Term structure: payroll + tax. Study the complete expression as one field-specific unit. | Lohnsteuer | The pay stub shows the payroll-tax withheld from the worker's earnings. |
| 319 | pythagorean-theorem | noun StudyField: Grade 8 mathematics and economics word Word study: Term structure: pythagorean + theorem. Study the complete expression as one field-specific unit. | Satz des Pythagoras | The pythagorean-theorem confirms that a triangle with sides 3, 4, and 5 is right. |
| 320 | hypotenuse | noun StudyField: Grade 8 mathematics and economics word Word study: Base-form focus: hypotenuse is the dictionary headword; compare its inflected or derived forms in context. | Hypotenuse | The hypotenuse is the longest side of a right triangle. |
| 321 | congruence | noun StudyField: Grade 8 mathematics and economics word Word study: Suffix focus: -ence commonly forms a noun naming an action, quality, or state. | Kongruenz | A sequence of rigid motions can demonstrate the triangles' congruence. |
| 322 | transformation | noun StudyField: Grade 8 mathematics and economics word Word study: Suffix focus: -ation commonly forms a noun naming an action, process, or result. | 1. Transformation 2. Umformung 3. Verwandlung | A rotation is a transformation that turns a figure around a fixed point. |
| 323 | alternate-interior-angles | noun StudyField: Grade 8 mathematics and economics word Word study: Term structure: alternate + interior + angles. Study the complete expression as one field-specific unit. | Alternative-Innenwinkel | When parallel lines are cut by a transversal, alternate-interior-angles are congruent. |
| 324 | corresponding-angles | noun StudyField: Grade 8 mathematics and economics word Word study: Term structure: corresponding + angles. Study the complete expression as one field-specific unit. | entsprechende Winkel | Equal corresponding-angles indicate that the two lines are parallel. |
| 325 | vertical-angles | noun StudyField: Grade 8 mathematics and economics word Word study: Term structure: vertical + angles. Study the complete expression as one field-specific unit. | Vertikalwinkel | Vertical-angles always have equal measures. |
Vocabulary reading and practice
The Theater's Costs
Reading practice for pages 13–15. Five relevant words are highlighted.
English reading
A theater models ticket sales with a linear-equation. Its fixed-cost includes the stage rental, while each printed program adds a variable-cost. On the graph, the y-intercept represents the starting expense, and the x-intercept shows when revenue finally balances cost.
German translation
A reviewed translation is not available for this passage yet.
Reading comprehension
1. What is one fixed cost?
The stage rental is a fixed cost.
2. What adds a variable cost?
Each printed program adds a variable cost.
3. What does the x-intercept show?
It shows when revenue balances cost.
Vocabulary quiz
Choose the dictionary equivalent for each of 5 selected words.
Vocabulary chart page
This page focuses on the word chart. Reading passages appear once in each three-page group, while cloze quizzes remain in the established enhanced range for this level.
Sources and curriculum references
These references guide selection and calibration. Definitions, sample sentences, readings, questions, and teaching notes are independently written and reviewed.
- Flocabulary: 8th Grade Vocabulary Word List
- GreatSchools / Hyde Park: Academic Vocabulary Words for 8th Graders
- Berkeley Unified School District: Grade Level Academic Vocabulary
- WikDict downloadable bilingual dictionaries
- Kaikki.org / Wiktextract machine-readable Wiktionary data
- Language-Learning-decks public flashcard datasets
- SBBIC English-to-Khmer Dictionary
- English–Khmer Dictionary Dataset (machine-generated Khmer fallback; human review required)
- PanLex meanings snapshot (direct CC0 gap candidates; human review required)
- Cambridge bilingual dictionaries (individual editorial sense checks)
- Collins English–Hindi Dictionary (individual editorial checks)
- Hindwi and Rekhta dictionaries (individual Hindi/Urdu checks)
- National Institute of Korean Language: Basic Korean Dictionary
- JMdict/EDRDG Japanese dictionary project
- CC-CEDICT Chinese dictionary project
- VDict Vietnamese Dictionary (individual editorial check)
- Google Translate (machine-assisted lesson-reading draft; fluent review required)
- Kuperman et al.: Age-of-acquisition ratings for 30,000 English words
- Glencoe/McGraw-Hill, Vocabulary Power: Grade 8, ISBN 0-07-826228-3 (bibliographic calibration only).

