English Vocabulary · Grade 10 Live Review Preview
10th Grade Vocabulary Words
Tenth-grade reading asks learners to move confidently among literary analysis, argument, source evaluation, laboratory science, mathematics, computing, history, economics, psychology, philosophy, and the arts. This level emphasizes precise academic language, disciplinary meanings, connotation, word relationships, and the ability to interpret unfamiliar vocabulary in demanding context.
This independently authored 800-word beta curriculum is arranged in twenty-three pages of up to thirty-five words. Pages containing words 1–500 include five cloze questions drawn only from that enhanced range; words 501–800 remain fully visible and editable as list pages while expanded practice is developed. Every row includes an editable subject-field label and a conservative word-study note about transparent affixes, compound structure, capitalization, or dictionary base forms. The cited sources calibrate range and difficulty only; all learner-facing definitions, examples, quizzes, and descriptions are original KSSR copy.
Please note: the vocabulary lists for grades 9~11 have been selected to ensure no overlap with the previous grade level. If the words are too specialized or difficult for you, please go back to grade levels 4~8 and review the words on those pages.
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| # | Word | Details | Meaning | Sample sentence |
|---|---|---|---|---|
| 456 | central limit theorem | noun StudyField: Grade 10 mathematics, statistics, and computing term Word study: Term structure: central + limit + theorem. Study the complete expression as one field-specific unit. | the principle that many sample means approach a normal distribution as sample size grows | The central limit theorem supports normal approximations for large random samples. |
| 457 | standard error | noun StudyField: Grade 10 mathematics, statistics, and computing term Word study: Term structure: standard + error. Study the complete expression as one field-specific unit. | the standard deviation of a statistic's sampling distribution | A larger sample usually reduces the standard error of the mean. |
| 458 | hypothesis test | noun StudyField: Grade 10 mathematics, statistics, and computing term Word study: Term structure: hypothesis + test. Study the complete expression as one field-specific unit. | a statistical procedure for evaluating evidence against a stated null hypothesis | The hypothesis test compared the observed difference with variation expected by chance. |
| 459 | p-value | noun StudyField: Grade 10 mathematics, statistics, and computing term Word study: Term structure: p + value. Study the complete expression as one field-specific unit. | the probability, assuming the null hypothesis, of a result at least as extreme as the observed result | A small p-value indicates that the data would be unusual under the null hypothesis. |
| 460 | significance level | noun StudyField: Grade 10 mathematics, statistics, and computing term Word study: Term structure: significance + level. Study the complete expression as one field-specific unit. | a preselected threshold for deciding when evidence is strong enough to reject a null hypothesis | The researchers set the significance level at 0.05 before analysis. |
| 461 | test statistic | noun StudyField: Grade 10 mathematics, statistics, and computing term Word study: Term structure: test + statistic. Study the complete expression as one field-specific unit. | a standardized numerical summary used in a hypothesis test | The test statistic compares the observed difference with its expected sampling variation. |
| 462 | one-tailed test | noun StudyField: Grade 10 mathematics, statistics, and computing term Word study: Term structure: one + tailed + test. Study the complete expression as one field-specific unit. | a hypothesis test designed to detect an effect in one specified direction | The one-tailed test examined whether the new process reduced defects. |
| 463 | two-tailed test | noun StudyField: Grade 10 mathematics, statistics, and computing term Word study: Term structure: two + tailed + test. Study the complete expression as one field-specific unit. | a hypothesis test designed to detect a difference in either direction | The two-tailed test examined whether the treatment changed blood pressure upward or downward. |
| 464 | regression line | noun StudyField: Grade 10 mathematics, statistics, and computing term Word study: Term structure: regression + line. Study the complete expression as one field-specific unit. | a fitted line used to model the average relationship between variables | The regression line predicts fuel use from vehicle mass. |
| 465 | coefficient of determination | noun StudyField: Grade 10 mathematics, statistics, and computing term Word study: Term structure: coefficient + of + determination. Study the complete expression as one field-specific unit. | the proportion of outcome variation explained by a regression model, commonly written as R squared | A coefficient of determination of 0.81 means the model explains 81 percent of the observed variation. |
| 466 | extrapolation | noun StudyField: Grade 10 mathematics, statistics, and computing term Word study: Suffix focus: -ation commonly forms a noun naming an action, process, or result. | prediction beyond the range of data used to build a model | Estimating rainfall fifty years ahead is risky extrapolation. |
| 467 | influential point | noun StudyField: Grade 10 mathematics, statistics, and computing term Word study: Term structure: influential + point. Study the complete expression as one field-specific unit. | an observation whose inclusion strongly changes a fitted statistical model | Removing the distant influential point changed the slope noticeably. |
| 468 | abstraction layer | noun StudyField: Grade 10 mathematics, statistics, and computing term Word study: Term structure: abstraction + layer. Study the complete expression as one field-specific unit. | a level of representation that hides lower-level details behind a simpler interface | The file system is an abstraction layer above physical storage sectors. |
| 469 | computational thinking | noun StudyField: Grade 10 mathematics, statistics, and computing term Word study: Term structure: computational + thinking. Study the complete expression as one field-specific unit. | problem solving through decomposition, patterns, abstraction, and algorithm design | Computational thinking helped the team turn the scheduling problem into clear steps. |
| 470 | decomposition | noun StudyField: Grade 10 mathematics, statistics, and computing term Word study: Suffix focus: -ition commonly forms a noun naming an action, process, or result. | the division of a complex problem into smaller manageable parts | Decomposition separated the app into login, search, and reporting tasks. |
| 471 | pattern recognition | noun StudyField: Grade 10 mathematics, statistics, and computing term Word study: Term structure: pattern + recognition. Study the complete expression as one field-specific unit. | identification of repeated structures or relationships that can guide a solution | Pattern recognition showed that every failed request lacked the same field. |
| 472 | algorithmic complexity | noun StudyField: Grade 10 mathematics, statistics, and computing term Word study: Term structure: algorithmic + complexity. Study the complete expression as one field-specific unit. | the resources an algorithm requires as input size grows | Algorithmic complexity explains why one sorting method slows sharply on huge lists. |
| 473 | time complexity | noun StudyField: Grade 10 mathematics, statistics, and computing term Word study: Term structure: time + complexity. Study the complete expression as one field-specific unit. | how an algorithm's running time grows with input size | Binary search has logarithmic time complexity on a sorted list. |
| 474 | space complexity | noun StudyField: Grade 10 mathematics, statistics, and computing term Word study: Term structure: space + complexity. Study the complete expression as one field-specific unit. | how an algorithm's memory use grows with input size | The recursive solution had greater space complexity because it stored many calls. |
| 475 | Big O notation | proper noun StudyField: Grade 10 mathematics, statistics, and computing term Word study: Term structure: Big + O + notation. Study the complete expression as one field-specific unit. | notation describing an upper growth-rate category for computational resource use | Big O notation classifies linear search as O of n. |
| 476 | linear search | noun StudyField: Grade 10 mathematics, statistics, and computing term Word study: Term structure: linear + search. Study the complete expression as one field-specific unit. | a search method that checks items sequentially until a match is found or the list ends | Linear search found the name near the end of the unsorted list. |
| 477 | binary search | noun StudyField: Grade 10 mathematics, statistics, and computing term Word study: Term structure: binary + search. Study the complete expression as one field-specific unit. | a search method that repeatedly halves a sorted search range | Binary search located the value in only a few comparisons. |
| 478 | sorting algorithm | noun StudyField: Grade 10 mathematics, statistics, and computing term Word study: Term structure: sorting + algorithm. Study the complete expression as one field-specific unit. | a procedure that arranges items according to a defined order | The sorting algorithm ordered the records by date. |
| 479 | recursion | noun StudyField: Grade 10 mathematics, statistics, and computing term Word study: Suffix focus: -sion commonly forms a noun naming an action, process, or result. | a problem-solving method in which a function calls itself on a smaller case | Recursion computes the directory size by visiting each nested folder. |
| 480 | base case | noun StudyField: Grade 10 mathematics, statistics, and computing term Word study: Term structure: base + case. Study the complete expression as one field-specific unit. | the condition that stops a recursive process without another self-call | The base case returns one when the countdown reaches zero. |
| 481 | call stack | noun StudyField: Grade 10 mathematics, statistics, and computing term Word study: Term structure: call + stack. Study the complete expression as one field-specific unit. | the ordered memory structure tracking active function calls | Deep recursion filled the call stack. |
| 482 | data structure | noun StudyField: Grade 10 mathematics, statistics, and computing term Word study: Term structure: data + structure. Study the complete expression as one field-specific unit. | an organized format for storing and accessing data | A data structure should match the operations a program performs most often. |
| 483 | array | noun StudyField: Grade 10 mathematics, statistics, and computing term Word study: Base-form focus: array is the dictionary headword; compare its inflected or derived forms in context. | an indexed collection of elements stored in a fixed logical sequence | The array stores twelve monthly temperatures. |
| 484 | linked list | noun StudyField: Grade 10 mathematics, statistics, and computing term Word study: Term structure: linked + list. Study the complete expression as one field-specific unit. | a sequence of nodes in which each node refers to the next node | A linked list allows insertion without shifting every later element. |
| 485 | queue | noun StudyField: Grade 10 mathematics, statistics, and computing term Word study: Base-form focus: queue is the dictionary headword; compare its inflected or derived forms in context. | a first-in, first-out data structure | Print jobs enter a queue and leave in arrival order. |
| 486 | tree structure | noun StudyField: Grade 10 mathematics, statistics, and computing term Word study: Term structure: tree + structure. Study the complete expression as one field-specific unit. | a hierarchical data structure of connected parent and child nodes | The folder system forms a tree structure. |
| 487 | graph structure | noun StudyField: Grade 10 mathematics, statistics, and computing term Word study: Term structure: graph + structure. Study the complete expression as one field-specific unit. | a data structure of vertices connected by edges | A subway map can be represented as a graph structure. |
| 488 | hash table | noun StudyField: Grade 10 mathematics, statistics, and computing term Word study: Term structure: hash + table. Study the complete expression as one field-specific unit. | a data structure that uses a hash function to map keys to storage locations | The hash table retrieves a username quickly. |
| 489 | database schema | noun StudyField: Grade 10 mathematics, statistics, and computing term Word study: Term structure: database + schema. Study the complete expression as one field-specific unit. | the formal design of database tables, fields, relationships, and constraints | The database schema links students with courses through an enrollment table. |
| 490 | primary key | noun StudyField: Grade 10 mathematics, statistics, and computing term Word study: Term structure: primary + key. Study the complete expression as one field-specific unit. | a field or field combination that uniquely identifies each database record | The student ID is the primary key of the student table. |
Vocabulary reading and practice
Page 14 vocabulary review
Review five selected words from page 14.
English reading
Reading passage is being prepared.
Translation
Vocabulary quiz
Complete 5 review questions for this page.
1. The ___ returns one when the countdown reaches zero.
Answer: base case
2. The file system is an ___ above physical storage sectors.
Answer: abstraction layer
3. Deep recursion filled the ___.
Answer: call stack
4. The ___ supports normal approximations for large random samples.
Answer: central limit theorem
5. ___ helped the team turn the scheduling problem into clear steps.
Answer: computational thinking
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.
- Common Core: Language Standards for Grades 9–10
- OpenStax: Biology 2e
- OpenStax: Chemistry 2e
- OpenStax: Algebra and Trigonometry 2e
- OpenStax: World History, Volume 2
- OpenStax: Psychology 2e
- OpenStax: Introduction to Philosophy
- 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
- The Princeton Review, Word Smart: Building an Educated Vocabulary (Privately Owned KSSR Materials; bibliographic calibration only).

