The sum of the angles of a triangle is 180. The sum of the angles of a triangle is 180. […]
Category: Mathematics
Free Mathematics online learning lesson notes and videos for Secondary school and High school students. The lesson notes, videos and interactive slideshows are built on curriculum that is designed to meet national and international O’ Level standard for Senior High School or Senior Secondary school students (SS1, SS2, SS3 or SHS1, SH2, SH3) and Grade 9, Grade 10, Grade 11 and Grade 12 students.
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GEOMETRICAL CONSTRUCTION
Revision of Construction of Triangle Drawing and bisection of Line Segment Construction and Bisection of Angles 90o, 45o, 135o, 221/2o, […]
The sum of angles on a straight line is 180o. EVALUATION Three angles of a triangle x, 2x and 3x. […]
Many composite solids can be made by joining basic solids together. In the figure below, the composite solids are made […]
MENSURATION OF SOLID SHAPES Properties of solid shapes a) A Cube A cube has the following properties. It has 12 […]
THIRD TERM E-LEARNING NOTE SUBJECT: MATHEMATICS CLASS: SSS 1 SCHEME OF WORK WEEK TOPIC Mensuration: The Concept of B […]
CONTENT: Connectives; (Disjunction and conjunction) Tautology and contradiction Disjunction: In disjunction two statement can be combined by the use […]
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Logic
CONTENT Logical Statements Negations Conditional statements and bi-conditional statements. Identification of Antecedence & Consequence of Simple Statement LOGICAL STATEMENTS […]
CONTENT Basic trigonometric Ratio Ratio of General Angle Trigonometric Identities Reciprocals of Basic Ratios We define the reciprocals of the […]
COMPOSITE MAPPING: A mapping is composite when the co- domain of the first mapping is the domain of the second […]