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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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500 words
Words 301–325 of 500
#WordDetailsMeaningSample sentence
301linear-equationnoun
Study

Field: Grade 8 mathematics and economics word

Word study: Term structure: linear + equation. Study the complete expression as one field-specific unit.

lineare GleichungThe linear-equation y = 3x + 2 has a slope of three.
302y-interceptnoun
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Field: Grade 8 mathematics and economics word

Word study: Term structure: y + intercept. Study the complete expression as one field-specific unit.

y-AchsenabschnittThe line's y-intercept is (0, 4).
303x-interceptnoun
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Field: Grade 8 mathematics and economics word

Word study: Term structure: x + intercept. Study the complete expression as one field-specific unit.

x-AchsenabschnittThe graph has an x-intercept at (-2, 0).
304fixed-costnoun
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Field: Grade 8 mathematics and economics word

Word study: Term structure: fixed + cost. Study the complete expression as one field-specific unit.

FixkostenMonthly rent remains a fixed-cost whether the bakery sells ten loaves or a thousand.
305variable-costnoun
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Field: Grade 8 mathematics and economics word

Word study: Term structure: variable + cost. Study the complete expression as one field-specific unit.

variable KostenFlour is a variable-cost because the bakery buys more when it makes more bread.
306line-of-best-fitnoun
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Field: 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 PassformThe line-of-best-fit shows that study time and test scores generally rise together.
307associationnoun
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Field: 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. VereinigungThe scatter plot suggests a positive association between temperature and ice-cream sales.
308sales-taxnoun
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Field: Grade 8 mathematics and economics word

Word study: Term structure: sales + tax. Study the complete expression as one field-specific unit.

UmsatzsteuerThe receipt lists sales-tax separately from the item's price.
309direct-variationnoun
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Field: Grade 8 mathematics and economics word

Word study: Term structure: direct + variation. Study the complete expression as one field-specific unit.

direkte VariationThe distance traveled shows direct-variation with time when speed remains constant.
310inverse-variationnoun
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Field: Grade 8 mathematics and economics word

Word study: Term structure: inverse + variation. Study the complete expression as one field-specific unit.

inverse VariationFor a fixed distance, travel time shows inverse-variation with speed.
311rate-of-changenoun
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Field: Grade 8 mathematics and economics word

Word study: Term structure: rate + of + change. Study the complete expression as one field-specific unit.

ÄnderungsrateThe graph's rate-of-change is five kilometers per hour.
312property-taxnoun
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Field: Grade 8 mathematics and economics word

Word study: Term structure: property + tax. Study the complete expression as one field-specific unit.

GrundsteuerThe town uses property-tax revenue to support schools and fire services.
313scientific-notationnoun
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Field: Grade 8 mathematics and economics word

Word study: Term structure: scientific + notation. Study the complete expression as one field-specific unit.

wissenschaftliche NotationThe distance 150,000,000 kilometers is 1.5 × 10⁸ in scientific-notation.
314square-rootnoun
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Field: Grade 8 mathematics and economics word

Word study: Term structure: square + root. Study the complete expression as one field-specific unit.

QuadratwurzelThe principal square-root of 81 is 9.
315cube-rootnoun
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Field: Grade 8 mathematics and economics word

Word study: Term structure: cube + root. Study the complete expression as one field-specific unit.

KubikwurzelThe cube-root of 125 is 5.
316irrational-numbernoun
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Field: Grade 8 mathematics and economics word

Word study: Term structure: irrational + number. Study the complete expression as one field-specific unit.

irrationale ZahlThe number π is an irrational-number with a nonrepeating decimal.
317rational-numbernoun
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Field: Grade 8 mathematics and economics word

Word study: Term structure: rational + number. Study the complete expression as one field-specific unit.

rationale ZahlThe decimal 0.75 is a rational-number because it equals 3/4.
318payroll-taxnoun
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Field: Grade 8 mathematics and economics word

Word study: Term structure: payroll + tax. Study the complete expression as one field-specific unit.

LohnsteuerThe pay stub shows the payroll-tax withheld from the worker's earnings.
319pythagorean-theoremnoun
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Field: Grade 8 mathematics and economics word

Word study: Term structure: pythagorean + theorem. Study the complete expression as one field-specific unit.

Satz des PythagorasThe pythagorean-theorem confirms that a triangle with sides 3, 4, and 5 is right.
320hypotenusenoun
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Field: Grade 8 mathematics and economics word

Word study: Base-form focus: hypotenuse is the dictionary headword; compare its inflected or derived forms in context.

HypotenuseThe hypotenuse is the longest side of a right triangle.
321congruencenoun
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Field: Grade 8 mathematics and economics word

Word study: Suffix focus: -ence commonly forms a noun naming an action, quality, or state.

KongruenzA sequence of rigid motions can demonstrate the triangles' congruence.
322transformationnoun
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Field: 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. VerwandlungA rotation is a transformation that turns a figure around a fixed point.
323alternate-interior-anglesnoun
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Field: Grade 8 mathematics and economics word

Word study: Term structure: alternate + interior + angles. Study the complete expression as one field-specific unit.

Alternative-InnenwinkelWhen parallel lines are cut by a transversal, alternate-interior-angles are congruent.
324corresponding-anglesnoun
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Field: Grade 8 mathematics and economics word

Word study: Term structure: corresponding + angles. Study the complete expression as one field-specific unit.

entsprechende WinkelEqual corresponding-angles indicate that the two lines are parallel.
325vertical-anglesnoun
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Field: Grade 8 mathematics and economics word

Word study: Term structure: vertical + angles. Study the complete expression as one field-specific unit.

VertikalwinkelVertical-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.

Sources and curriculum references

These references guide selection and calibration. Definitions, sample sentences, readings, questions, and teaching notes are independently written and reviewed.