NECO BECE cheat sheet
NECO BECE · Keep the key ideas within reach.
Subjects Examined at Junior Secondary School Level (NECO BECE)
NECO BECE (Basic Education Certificate Examination) is taken at the end of JSS 3 and is scored per subject on a 9-point scale: A1 (75-100), B2 (70-74), B3 (65-69), C4 (60-64), C5 (55-59), C6 (50-54), D7 (45-49), E8 (40-44), F9 (0-39).
Core compulsory subjects include English Language, Mathematics, Basic Science and Technology, National Values Education (Social Studies/Civic Education/Security Education), Business Studies, and one Nigerian language or French/Arabic.
Basic Science and Technology is a merged subject combining Basic Science, Basic Technology, Physical and Health Education (PHE), and Computer Studies/ICT content.
Pre-vocational subjects include Business Studies, Home Economics, Agricultural Science, and Computer Studies; candidates typically offer at least one.
Cultural and Creative Arts (CCA) combines Music, Fine Art, and Drama; it is examined as a single BECE paper.
A candidate must pass English Language and Mathematics plus at least three other subjects to be eligible for Senior Secondary admission.
Each subject paper is typically 100-120 minutes and includes objective (multiple-choice) and theory/essay sections; practical papers apply to Agricultural Science, Home Economics, and Basic Science.
NECO BECE grading: credit pass is C6 or better; the aggregate for SSC admission commonly uses the best six subjects including English and Mathematics.
Mathematics and Numerical Reasoning
BODMAS order: Brackets, Order (powers/roots), Division and Multiplication (left to right), Addition and Subtraction (left to right).
Percentage change = (New Value - Old Value) / Old Value x 100%; simple interest I = PRT/100 where T is in years.
Area formulas: rectangle = l x b; triangle = 1/2 x base x height; circle area = pi r^2; trapezium = 1/2(a+b)h.
Volume: cuboid = l x b x h; cylinder = pi r^2 h; sphere = 4/3 pi r^3; cone = 1/3 pi r^2 h.
Pythagoras theorem: in a right triangle, a^2 + b^2 = c^2, where c is the hypotenuse.
Sum of interior angles of a polygon = (n - 2) x 180 degrees; each interior angle of a regular n-gon = (n-2) x 180 / n.
Probability of an event = number of favourable outcomes / total number of possible outcomes; the probabilities of all outcomes sum to 1.
Mean = sum of values / number of values; median is the middle value when ordered; mode is the most frequent value.
English Language and Literature
Parts of speech: noun, pronoun, verb, adjective, adverb, preposition, conjunction, interjection; a word's class depends on its function in the sentence.
Tense consistency rule: a sentence must keep a consistent tense unless the time reference changes (e.g., reported speech backshifts present to past).
Active to passive: object becomes subject, verb becomes 'be + past participle', subject becomes 'by + agent' (e.g., 'The boy ate the mango' -> 'The mango was eaten by the boy').
Direct to indirect speech: present tense shifts to past, 'today' to 'that day', 'tomorrow' to 'the next day', 'here' to 'there', and pronouns shift to match the reporter.
Punctuation: comma separates items in a list and clauses; semicolon joins independent clauses; colon introduces a list or explanation; apostrophe shows possession or contraction.
Figures of speech: simile uses 'like/as'; metaphor states one thing is another; personification gives human qualities to non-human things; alliteration repeats initial consonants.
Concord rule: a singular subject takes a singular verb; compound subjects joined by 'and' take a plural verb; 'each', 'every', and 'either' take singular verbs.
Comprehension strategy: identify the main idea, then locate answers by matching keywords in the passage to the question stem.
Basic Science, Technology and Health
States of matter: solid (fixed shape and volume), liquid (fixed volume, no fixed shape), gas (no fixed shape or volume); changes of state include melting, freezing, evaporation, condensation, sublimation.
Photosynthesis equation: carbon dioxide + water -> (light, chlorophyll) glucose + oxygen; occurs in the chloroplasts of green leaves.
Human body systems: digestive (mouth to anus), circulatory (heart, blood vessels), respiratory (nose, trachea, lungs), excretory (kidneys, skin, lungs).
Diseases: malaria is caused by Plasmodium transmitted by female Anopheles mosquito; cholera is water-borne; tuberculosis is airborne; HIV is blood/sexual transmission.
Nutrition: carbohydrates and fats are energy sources, proteins build body tissues, vitamins and minerals regulate body functions, water and fibre aid digestion.
Simple machines: lever, pulley, inclined plane, wedge, screw, wheel and axle; mechanical advantage = load / effort.
First aid basics: RICE for sprains (Rest, Ice, Compression, Elevation); burns are cooled with running water; severe bleeding is controlled by direct pressure.
Electricity: current is measured in amperes, voltage in volts, resistance in ohms; Ohm's law V = IR.
Social Studies, Civic Education and National Values
Nigeria gained independence on 1 October 1960 and became a republic on 1 October 1963; it has 36 states plus the Federal Capital Territory, Abuja.
The three tiers of government are federal, state, and local; the three arms are executive, legislature, and judiciary.
The 1999 Constitution (as amended) is the supreme law of Nigeria; any law inconsistent with it is void to the extent of the inconsistency.
Fundamental human rights include right to life, dignity, fair hearing, freedom of expression, and freedom from discrimination.
Citizenship can be acquired by birth, registration, or naturalisation; duties include paying taxes, obeying laws, and defending the country.
Nigerian cultures: over 250 ethnic groups, with Hausa-Fulani, Yoruba, and Igbo as the three largest; each has distinct festivals such as Sallah, Osun-Osogbo, and New Yam Festival.
Social institutions: family (primary socialisation), school (formal education), religious bodies, and government; each performs specific social functions.
Environmental issues in Nigeria include desertification in the north, oil pollution in the Niger Delta, and erosion in the south-east.
Business Studies and Pre-Vocational Subjects
Business Studies combines commerce, office practice, bookkeeping, and keyboarding/typewriting.
Accounting equation: Assets = Liabilities + Capital; every transaction keeps this equation balanced.
Double-entry rule: debit the receiver, credit the giver; for every debit there is a corresponding credit of equal amount.
Ledger classifications: assets and expenses normally have debit balances; liabilities, capital, and income normally have credit balances.
Trial balance is a list of debit and credit balances; if totals agree, arithmetic accuracy is indicated but errors of principle or omission may still exist.
Types of business organisation: sole proprietorship (one owner), partnership (2-20 persons), limited liability company (shares, separate legal personality), cooperative society.
Office equipment and functions: filing, duplicating, franking, and communication; filing methods include alphabetical, numerical, chronological, and subject.
Trade terms: cash discount for prompt payment, trade discount on list price, and credit note issued for goods returned.
Agricultural Science and Home Economics
Branches of agriculture: crop production, animal husbandry, horticulture, forestry, fishery, and agricultural economics/extension.
Soil types: sandy (large particles, well-drained), clay (small particles, retains water), loamy (best for most crops, balanced texture).
Plant nutrients: N-P-K = nitrogen (leafy growth), phosphorus (roots and flowering), potassium (fruit and disease resistance); legumes fix nitrogen via root nodules.
Farm tools and uses: hoe (weeding and ridging), cutlass (clearing), watering can (irrigation), knapsack sprayer (pesticide application), dibber (making planting holes).
Pests and diseases: control by cultural methods (crop rotation, weeding), biological methods (natural enemies), and chemical methods (pesticides, used with care).
Home Economics areas: food and nutrition, clothing and textiles, home management, and child development; balanced diet includes all six nutrient classes.
Food preservation methods: drying, salting, smoking, canning, freezing, and refrigeration; each slows or stops microbial growth.
First aid in the kitchen: burns are cooled under running water for at least 10 minutes; knife cuts are cleaned and pressed to stop bleeding.
Cultural and Creative Arts, and Nigerian Languages
Elements of art: line, shape, form, colour, texture, space, and value; principles of design include balance, rhythm, contrast, unity, and emphasis.
Colour theory: primary colours (red, yellow, blue); secondary colours (orange, green, violet); complementary pairs are opposite on the colour wheel.
Music elements: melody, harmony, rhythm, pitch, tempo, dynamics, and timbre; Nigerian traditional instruments include talking drum, gong (ogene), and flute (oja).
Drama elements: plot, character, dialogue, setting, theme, and conflict; theatre forms in Nigeria include masquerade, folk opera, and modern stage drama.
Nigerian languages are tonal; Yoruba has three tones (high, mid, low), and tone changes word meaning, e.g., 'oko' can mean farm, husband, or vehicle depending on tone.
Igbo orthography uses dotted vowels (i, o, u) and digraphs such as 'gb', 'kp', and 'nw'; tone marking is essential for correct pronunciation.
Hausa uses the Boko (Latin) alphabet with hooked letters such as 'b', 'd', 'k'; it also uses the Arabic-derived Ajami script.
Proverbs and folktales are central oral traditions; they transmit moral values and are common BECE literature comprehension items.
Examination Technique and Scoring
NECO BECE subject grades: A1 = 75-100, B2 = 70-74, B3 = 65-69, C4 = 60-64, C5 = 55-59, C6 = 50-54, D7 = 45-49, E8 = 40-44, F9 = 0-39.
A credit pass is C6 or better; SSC admission typically requires credits in English Language, Mathematics, and at least three other subjects.
Objective questions carry equal marks; unanswered questions score zero, so elimination of wrong options improves expected score.
Theory questions are marked per point; stating a formula plus a clear step-by-step calculation earns method marks even when the final answer is wrong.
Time allocation rule: divide total paper time by number of questions to get average minutes per question, then flag and skip questions that exceed double that time.
Show units in Mathematics and Science answers (cm, kg, m/s); missing units can lose marks even with correct numbers.
In comprehension and summary, answers must be in your own words; lifting whole sentences from the passage loses marks.
Read the instruction line first: 'answer any four' means extra answers beyond four are not marked.
Computer Studies and ICT Basics
Computer is an electronic device that accepts data, processes it, stores it, and outputs information; the cycle is input -> processing -> output -> storage.
Hardware components: CPU (arithmetic logic unit and control unit), memory (RAM is volatile, ROM is non-volatile), input devices (keyboard, mouse, scanner), output devices (monitor, printer).
Software types: system software (operating systems, utilities) and application software (word processors, spreadsheets, browsers).
Storage units: 1 byte = 8 bits; 1 kilobyte = 1024 bytes; 1 megabyte = 1024 KB; 1 gigabyte = 1024 MB.
Computer generations: first (vacuum tubes), second (transistors), third (integrated circuits), fourth (microprocessors), fifth (artificial intelligence).
Internet basics: a browser displays web pages; a URL identifies a resource; email requires a valid address in the form name@domain.
Computer care rules: keep equipment dust-free, use antivirus software, back up data regularly, and shut down properly before disconnecting power.
Data vs information: data is raw unprocessed facts; information is processed data that is meaningful to the user.
Physical and Health Education
Components of physical fitness: cardiovascular endurance, muscular strength, muscular endurance, flexibility, and body composition.
Warm-up prepares the body for exercise; cool-down returns heart rate to normal and reduces injury risk.
Track events: sprints (100 m, 200 m, 400 m), middle distance (800 m, 1500 m), relays (4 x 100 m, 4 x 400 m); field events include long jump, high jump, shot put, and discus.
Team sports: football (11 players per side), basketball (5), volleyball (6), handball (7); each has specific rules on fouls and scoring.
First aid for fractures: immobilise the limb, do not attempt to reset the bone, and seek medical help; for sprains apply RICE.
Personal hygiene: regular bathing, hand washing before meals, dental care, and clean clothing reduce disease transmission.
Drug abuse: misuse of drugs such as tramadol or cannabis harms health and is illegal; refusal skills and seeking help are protective behaviours.
Nutrition and hydration: water is lost through sweat during exercise and must be replaced; a balanced diet supports performance and recovery.
French and Arabic (Optional Languages)
French definite articles: le (masculine singular), la (feminine singular), les (plural); indefinite articles: un, une, des.
French present tense of 'etre': je suis, tu es, il/elle est, nous sommes, vous etes, ils/elles sont; 'avoir': j'ai, tu as, il a, nous avons, vous avez, ils ont.
French regular -er verbs drop -er and add: -e, -es, -e, -ons, -ez, -ent (e.g., parler -> je parle, nous parlons).
French numbers 1-10: un, deux, trois, quatre, cinq, six, sept, huit, neuf, dix; days: lundi, mardi, mercredi, jeudi, vendredi, samedi, dimanche.
Arabic is written right to left; the definite article is 'al-' (ال), which assimilates before sun letters (e.g., al-shams becomes ash-shams).
Arabic basic greetings: 'as-salamu alaykum' (peace be upon you), reply 'wa alaykum as-salam'; 'ahlan wa sahlan' means welcome.
Arabic pronouns: ana (I), anta (you, masculine), anti (you, feminine), huwa (he), hiya (she), nahnu (we), hum (they, masculine).
Both languages are tonal-free and require attention to gender agreement between nouns, adjectives, and articles.
Islamic and Christian Religious Studies
Five pillars of Islam: Shahadah (declaration of faith), Salah (prayer), Zakah (almsgiving), Sawm (fasting in Ramadan), and Hajj (pilgrimage to Makkah).
Islamic sources: the Qur'an (revealed to Prophet Muhammad) and the Hadith/Sunnah (sayings and actions of the Prophet); both guide Muslim conduct.
Islamic ethics: honesty, patience (sabr), charity (sadaqah), respect for parents, and prohibition of theft, lying, and intoxicants.
Ten Commandments include: worship only one God, honour father and mother, do not steal, do not kill, do not bear false witness.
Christian Bible structure: Old Testament (39 books) and New Testament (27 books); the Gospels (Matthew, Mark, Luke, John) record the life of Jesus.
Christian values: love of neighbour, forgiveness, humility, charity, and the Golden Rule ('do to others as you would have them do to you').
Moral lessons from religious stories: the Good Samaritan teaches neighbourly love; the Prodigal Son teaches repentance and forgiveness.
Religious festivals: Eid al-Fitr (end of Ramadan), Eid al-Adha (sacrifice), Christmas (birth of Jesus), and Easter (resurrection of Jesus).