Bộ thẻ ghi nhớ cho người học dùng Tiếng Anh

Study 300 independently selected cross-disciplinary academic words with concise meanings, collocations, and original context examples.

• 300 thẻ
• English

Learn the 20 standard amino acids with 120 flashcards for side-chain recognition and drawing, plus one- and three-letter code recall in both directions.

• 120 thẻ
• English

56 flashcards on amino acid side-chain groups, charge at pH 7, and common property distinctions, with supplied-pKa reasoning and key exceptions.

• 56 thẻ
• English

Learn 10 core human-anatomy directional terms with 31 flashcards for definitions, reverse recall, and applied body-location examples.

• 31 thẻ
• English

Practice anatomical planes and common joint movements with 65 English flashcards, specified movement scenarios, and short explanations of easily confused terms.

• 65 thẻ
• English

Review all 8 AP Biology units with original flashcards for concepts, pathways, experimental design, data interpretation, and FRQ reasoning.

• 540 thẻ
• English

Review all eight AP Calculus AB units with formula conditions, theorem hypotheses, notation, graph interpretation, and concept cards.

• 288 thẻ
• English

Review all nine AP Chemistry units with 450 cards covering concepts, models, equations, calculation setup, and laboratory reasoning.

• 450 thẻ
• English

A 400-card AP Physics 1 review of concepts, formulas, graphs, experiments, and reasoning across all eight course units.

• 400 thẻ
• English

Review all five AP® Psychology units with 705 independently written cards covering concepts, scenarios, research methods, data interpretation, and evidence-based reasoning.

• 705 thẻ
• English

Review all five revised AP Statistics units with 250 original cards on data, study design, probability, inference, and regression.

• 250 thẻ
• English

A 520-card APUSH review of chronology, evidence, causation, comparison, continuity, change, and theme links across all nine periods.

• 520 thẻ
• English

Review 220 original ASVAB flashcards covering vocabulary, math formulas and setup patterns, science, electronics, auto and shop knowledge, mechanics, and bounded spatial concepts.

• 220 thẻ
• English

Practice 446 original ATI TEAS 7 Science recall and mini-scenario cards across A&P, biology, chemistry, and scientific reasoning.

• 446 thẻ
• English

Practice average speed with 42 solved cards on equal-time and equal-distance legs, stops, speed versus velocity, and feasible or impossible target averages.

• 42 thẻ
• English

Review SAA-C03 architecture choices through 300 original cards on security, resilience, performance, and cost trade-offs.

• 300 thẻ
• English

Learn all 46 basic hiragana with 92 two-way cards for kana-to-romaji and romaji-to-kana recall.

• 92 thẻ
• English

Learn all 46 basic katakana with 92 two-way cards for kana-to-romaji and romaji-to-kana recall.

• 92 thẻ
• English

Practice 48 original Bayes theorem flashcards: build source-and-evidence weights, normalize across all sources, repair base-rate mistakes, and check sequential updates.

• 48 thẻ
• English

Review all 75 Blind 75 coding interview problems with original front-side descriptions, interview-readable Python 3 solutions, and time and space complexity.

• 75 thẻ
• English

Study all 1,440 questions from Bulgaria's first-time Category B theory bank through English prompts, ordered answer choices and short explanations. Includes official external links for 58 video questions.

• 1.440 thẻ
• English

Study California road rules, signs, safe-driving facts, and permit-test knowledge with independently written handbook-based cards.

• 236 thẻ
• English

A 340-card, six-domain review for the CCSP outline effective August 1, 2026, including cloud AI/ML, dataset, model, and LLM application security.

• 340 thẻ
• English

Learn 24 common plant and animal cell structures with 48 two-way flashcards linking each name to its primary function.

• 48 thẻ
• English

Practice chromosome, chromatid, and DNA-molecule counts through mitosis and meiosis, with clear cell boundaries and short explanations.

• 48 thẻ
• English

Practice major and minor keys, spelled key signatures, relative-key pairs, accidental order, and neighboring circle positions.

• 87 thẻ
• English

Practice coding interview patterns with 210 English flashcards on problem signals, invariants, complexity, edge cases, and choosing between approaches. Language-agnostic DSA review to pair with hands-on coding.

• 210 thẻ
• English

Practice 46 original English cards on coding and template DNA strands: four RNA-conversion cases, strand choice, two reverse mappings, repairs, and evidence limits.

• 46 thẻ
• English

Practice 46 original comma splice and fused sentence flashcards: diagnose boundaries, repair sentences under clear constraints, and check clause structure and meaning.

• 46 thẻ
• English

Study 88 cards on common network ports, TCP/UDP transports, service uses, port ranges, and practical protocol distinctions.

• 88 thẻ
• English

Review current CompTIA A+ V15 Core 1 and Core 2 objectives with original flashcards for hardware, networking, operating systems, security, commands, and troubleshooting.

• 520 thẻ
• English

Prepare for CompTIA Network+ N10-009 with 250 original cards covering all five domains through focused recall, configuration choices, operations decisions, security, and troubleshooting scenarios.

• 250 thẻ
• English

Study every current SY0-701 exam domain with original, concise flashcards for security concepts, threats, architecture, operations, and governance.

• 744 thẻ
• English

Practice conditional probability with 44 original cards: choose the given group, calculate table ratios, reverse conditions, and repair denominator mistakes.

• 44 thẻ
• English

Learn all 12 cranial nerves with 84 focused cards on names, numbers, classification as sensory, motor, or mixed, core functions, and safe high-level exam cues.

• 84 thẻ
• English

Practice cytoskeletal fibers, motor tracks, cell division, and ciliary patterns with 50 English flashcards and short checks for ambiguous clues.

• 50 thẻ
• English

Practice Digital SAT math formulas, grammar rules, transitions, and words in context with original, installable flashcards built for active recall.

• 300 thẻ
• English

Practice 48 short physics prompts: check equation dimensions, derive coefficient units, judge function inputs, and recognize what a dimensional pass can establish.

• 48 thẻ
• English

Practice 40 original discriminant prompts: count distinct real roots, repair coefficient errors, interpret graph clues, and check parameter boundaries when the x² term vanishes.

• 40 thẻ
• English

Practice all 144 division facts for divisors and quotients 1–12 with mixed, installable cards built for fast recall.

• 144 thẻ
• English

134 English-cued cards: recall 43 Dutch nouns with de/het and their plurals, then practise 24 everyday verbs through short contexts and sentence gaps.

• 134 thẻ
• English

Practice neutral-atom ground-state electron configurations for every named element, with NIST-based shorthand and clearly labeled predictions.

• 131 thẻ
• English

96 English cards on material properties, metal and polymer families, manufacturing processes, and qualified selection cases, including sourced ABS and PA6 grades.

• 96 thẻ
• English

Practice common English irregular verbs from base form to past simple and past participle, with concise examples and clearly marked UK/US variants.

• 203 thẻ
• English

54 English flashcards on 24 everyday phrasal-verb senses: meanings in context, sentence completion, and noun or pronoun word order.

• 54 thẻ
• English

A 140-card, source-linked review of the amended EU AI Act timeline, roles, risk structure, GPAI, transparency, high-risk duties, and enforcement.

• 140 thẻ
• English

Review the current FAA Part 107 knowledge areas with concise recall, practical scenarios, airspace and weather interpretation, operating limits, and recency rules.

• 286 thẻ
• English

Review common FE equations, variable meanings, units, assumptions, conversions, and searchable handbook navigation.

• 276 thẻ
• English

Practice formal charge vs oxidation number with 48 original English flashcards: bond allocation, single-atom calculations, charge checks, and error repairs.

• 48 thẻ
• English

86 flashcards on fraction, decimal and percent conversions, exact and rounded equivalents, mixed-value comparisons, and common mistakes.

• 86 thẻ
• English

64 cards for English readers: understand 32 French fillers and discourse expressions in short contexts, then practise expression recall, contrasts, register and restrained use.

• 64 thẻ
• English

Practice essential Git commands with safe, current examples for staging, commits, branches, remotes, history, undoing changes, and recovery.

• 98 thẻ
• English

300 original flashcards for current-format GMAT Quant, Verbal, and Data Insights concepts, cues, and reusable decisions.

• 300 thẻ
• English

80 original English cards for maritime radio trainees: GMDSS terms, current sea-area concepts, selected channels, identification, MSI and alerting distinctions.

• 80 thẻ
• English

Predict GNU find output, repair expression grouping and missing prints, and distinguish filtering from directory pruning with 40 short tree-based exercises.

• 40 thẻ
• English

Predict GNU find -mtime and -mmin results, repair time filters, and practice -daystart order and explicit timestamp boundaries with small file lists.

• 40 thẻ
• English

Learn all 24 Greek letters with 72 installable flashcards for uppercase-to-name, lowercase-to-name, and name-to-symbol recall.

• 72 thẻ
• English

Study 300 GRE-level words with concise definitions, parts of speech, and original example sentences in one installable flashcard deck.

• 300 thẻ
• English

Review 90 core concepts for the 2026–2030 U.S. Technician Class exam across all ten NCVEC subelements.

• 90 thẻ
• English

Learn registered HTTP response status codes by number, reason phrase, class, and practical use case, with current IANA and RFC references.

• 102 thẻ
• English

Study 105 cards on organization levels, 11 organ systems, representative organs, core functions, and homeostasis. This model counts integumentary separately and combines lymphatic/immune.

• 105 thẻ
• English

Review the current IB Biology Standard Level course with 960 independently written active-recall cards covering all 34 SL topics across molecules, cells, organisms, genetics, evolution, and ecology.

• 960 thẻ
• English

Practice ionic compound naming with 56 English flashcards on neutral formulas, Roman numerals, polyatomic-ion parentheses, and common errors.

• 56 thẻ
• English

48 original IPv4 subnetting flashcards on network and broadcast boundaries, usable host endpoints, address roles, capacity, and common mistakes, with brief worked reasoning.

• 48 thẻ
• English

Count electrons, find matching ion configurations, rank ionic radii, and repair common charge and ordering errors with 42 short chemistry flashcards.

• 42 thẻ
• English

Study 170 independently selected post-N5 kanji through word recognition, contextual spelling, and reading or usage distinctions.

• 400 thẻ
• English

Learn 80 independently selected beginner kanji through meanings, priority readings, common words, and selective reverse recall.

• 120 thẻ
• English

112 Hangul-based cards for English-reading beginners: 84 everyday words in short contexts, with 28 selective recall prompts and polite Korean examples.

• 112 thẻ
• English

Practice essential Linux terminal commands through 100 task-first cards on paths, files, search, pipes, permissions, processes, archives, and system checks.

• 100 thẻ
• English

Identify all 15 standard key signatures in treble and bass clef with 60 two-way cards covering each major key and relative minor.

• 60 thẻ
• English

Practise 40 original matrix multiplication prompts: check dimensions, calculate row-by-column entries, compare AB and BA, and repair common errors.

• 40 thẻ
• English

Memorize MCAT physics and chemistry equations with variables, units, conditions, and original when-to-use examples—not a bare formula dump.

• 180 thẻ
• English

Practice 42 measurement uncertainty prompts: absolute and percentage amounts, arithmetic handoffs, and mistake repairs under a stated classroom interval model.

• 42 thẻ
• English

Study common clinical abbreviations across 90 flashcards with concise expansions, plain-English context, and six ambiguity and safety checks—for terminology review, not clinical decisions.

• 90 thẻ
• English

Study 67 common medical prefixes, suffixes, and roots with installable flashcards based on the U.S. National Library of Medicine tutorial.

• 67 thẻ
• English

Learn all 24 current SI prefixes with 72 flashcards for name, case-sensitive symbol, and power-of-ten recall.

• 72 thẻ
• English

96 cards for English-speaking learners of everyday Modern Greek: useful words, articles, stress, short phrases and six noun plurals, with original examples.

• 96 thẻ
• English

Learn International Morse Code with 72 two-way visual-recall cards covering every letter A–Z and digit 0–9 from character to pattern and pattern to character.

• 72 thẻ
• English

Practice every multiplication fact from 1×1 through 12×12 with 144 mixed, installable flashcards designed for fast recall.

• 144 thẻ
• English

Installable practice for interval names, semitone counts, inversions, identification, and spelling-aware construction in written music theory.

• 181 thẻ
• English

Build faster note-reading with 18 music note flashcards covering every natural note on the treble and bass clef lines and spaces.

• 18 thẻ
• English

Practice tempo words, dynamic markings, abbreviations, and changes in speed or loudness with 57 English flashcards and short performance scenarios.

• 57 thẻ
• English

Learn the 26 official ICAO/NATO spelling words from letter to code word and code word to letter, with standard spellings and pronunciation cues.

• 52 thẻ
• English

Study all 300 entries from the November 2025 New HSK 3.0 Level 1 syllabus in both directions, with tone-marked pinyin and concise English meanings.

• 600 thẻ
• English

Study the current NREMT EMT test plan with original flashcards for scene safety, assessment, treatment, transport, and operations.

• 360 thẻ
• English

Practice reinforcement and punishment with 48 English flashcards: original scenarios, clear behavior changes, and checks for insufficient information.

• 48 thẻ
• English

Practice 19 organic functional-group families with 57 cards on condensed structures, name-to-connectivity recall, and distinctions between easily confused groups.

• 57 thẻ
• English

Study diagnoses, tests, next steps and management with a source-linked PANCE deck organized by the January 2025 NCCPA blueprint.

• 600 thẻ
• English

Practice past perfect vs past simple with 42 timeline cards: event order, whole-phrase choices, before/after alternatives and explained meaning repairs.

• 42 thẻ
• English

Choose English verb forms in 48 sentence cards: past simple, did + base, perfect and passive participles, with brief explanations.

• 48 thẻ
• English

Study all 118 elements with 354 interleaved flashcards for name-to-symbol, symbol-to-name, and atomic-number-to-element recall.

• 354 thẻ
• English

Review 88 concise cards on atomic and ionic radius, shielding, effective nuclear charge, ionization energy, electron affinity, electronegativity, metallic character, exceptions, and comparisons.

• 88 thẻ
• English

96 English-audience cards for everyday Iranian Persian: script-to-meaning recall, selected short responses, sound aids and clear written/spoken distinctions.

• 96 thẻ
• English

Study 126 cards on 30 common drug classes: mechanisms, qualified generic-name patterns, common uses, and major safety concepts for nursing and introductory health science.

• 126 thẻ
• English

Review the July 2026 PMP exam outline with original flashcards for situational cues, formulas, AI, sustainability, value, and all three domains.

• 360 thẻ
• English

Learn 30 commonly taught polyatomic ions with 60 two-way flashcards for name, formula, and charge recall.

• 60 thẻ
• English

Practice writing PostgreSQL queries with 63 SQL interview tasks, from filtering and joins to ranking and rolling windows, ordered so direct introductions come before combinations.

• 63 thẻ
• English

Practice 42 original English flashcards on memory interference: both directions, target and competitor checks, paired scenarios, and missing-evidence decisions.

• 42 thẻ
• English

Practice probability without replacement with 43 solved cards on changing counts, ordered and either-order draws, complements, and hidden versus observed results.

• 43 thẻ
• English

Practice random sampling, random assignment, and scope of inference with short study scenarios, claim corrections, and explained answers.

• 48 thẻ
• English

Practice recurring decimals as exact fractions, choose powers of ten, handle non-repeating digits and leading zeros, and check common algebra mistakes.

• 46 thẻ
• English

Practice relative risk and odds ratio with 42 original cards on two-way tables, reference groups, odds versus probability, baseline conversions and common mistakes.

• 42 thẻ
• English

Practice relative and parallel minor with mixed key relationships, natural-minor note changes, accidental repairs, and checks on what a signature can tell you.

• 48 thẻ
• English

Practise 42 original resistor color-code prompts: decode and build conventional 4- and 5-band codes, calculate nominal tolerance intervals, and repair common errors.

• 42 thẻ
• English

96 English-guided cards: recognise 72 everyday Russian words and expressions in short contexts, then retrieve 24 selected items from clear English cues. Includes Cyrillic stress marks and original examples.

• 96 thẻ
• English

30 English cards on eight SAP IDoc statuses, sender/receiver boundaries and display-only next observations. Scoped to classic ALE/tRFC in SAP S/4HANA 2025 FPS01.

• 30 thẻ
• English

Practice exact scientific notation with 42 solved cards on decimal conversions, normalization, all four operations, signed values, and local error checks.

• 42 thẻ
• English

40 written music-theory cards: identify seventh chords and inversions, build voicings over a required bass, and repair errors in root, spelling, or figures.

• 40 thẻ
• English

Practice 48 significant figures prompts: report short mixed calculations, track precision handoffs, repair rounding mistakes, and handle explicitly exact inputs.

• 48 thẻ
• English

Practice all 7 SI base units and 22 derived units with special names: quantities, symbols, and base-unit expressions in one installable deck.

• 110 thẻ
• English

Build a practical Spanish A1 vocabulary base with 480 cards covering 400 beginner words and phrases, gender-aware nouns, useful regional notes, and selective Spanish production.

• 480 thẻ
• English

Study every Spanish cardinal number from 0 through 100 with 202 installable flashcards for numeral-to-Spanish and Spanish-to-numeral recall.

• 202 thẻ
• English

Practice 150 present-indicative forms for 25 common Spanish verbs, with one card for each of six standard subject groups.

• 150 thẻ
• English

Choose and conjugate the Spanish preterite or imperfect in 160 original context questions, paired contrasts, and four short stories for A2–B1 practice.

• 160 thẻ
• English

Practice squared and cubed metric unit conversions with short area, volume, and liter prompts that show the decisive factor and units.

• 48 thẻ
• English

112 English-cued cards: 28 Swedish nouns with en/ett, 28 separate plurals, 28 present-tense verb gaps and 28 short phrases for home, food, travel and conversation.

• 112 thẻ
• English

Study the 12 current TOEFL iBT task types with 180 original cards on vocabulary, sentence patterns, task decisions, and reusable strategy cues.

• 180 thẻ
• English

Study 90 English flashcards: four triad-quality rules plus 43 root-position major, minor, diminished, and augmented chords in both spelling and identification directions.

• 90 thẻ
• English

84 truth-table flashcards on logical connectives, material conditionals, nested expressions, equivalence, and counterexamples, with short explanations.

• 84 thẻ
• English

Recognize 30 Twilight Saga characters from photos and learn their names, family ties, friendships, and romantic relationships.

• 30 thẻ
• English

Master 16 standard unit-circle positions with 64 two-way cards for degrees, radians, and exact (cos θ, sin θ) coordinates.

• 64 thẻ
• English

Study all 128 official USCIS 2025 civics questions in order, with accepted answers and current-answer guidance.

• 128 thẻ
• English

Study all 27 ratified U.S. constitutional amendments with 54 two-way cards linking amendment numbers to concise plain-English meanings.

• 54 thẻ
• English

Study all 47 U.S. presidencies in order with 92 two-way flashcards linking presidency numbers to the 45 people who served.

• 92 thẻ
• English

Learn all 50 USPS state abbreviations with 100 two-way flashcards for state-to-code and code-to-state recall.

• 100 thẻ
• English

Study all 50 U.S. state capitals with 100 installable flashcards for state-to-capital and capital-to-state recall.

• 100 thẻ
• English

Practice VSEPR shapes, electron geometry, lone pairs, AXE notation, and ideal bond angles with 78 focused English flashcards.

• 78 thẻ
• English

Practise 42 original weighted-average prompts: choose weights, combine group means, compare stated grading policies, and repair common calculation errors.

• 42 thẻ
• English

Learn all 193 UN member-state capitals with country-to-capital and capital-to-country recall, arranged in six regional study blocks.

• 404 thẻ
• English

Study world history from 1200 to the present with 500 sourced cards on chronology, exchange, states, revolutions, conflict, globalization, and source analysis.

• 500 thẻ
• English