Lagos State Mathematics Scheme of Work

MATHEMATICS SS III FIRST TERM THEME: NUMBER AND NUMERATION K TOPIC PERFORMANCE CONTENT ACTIVITIES TEACHING AND EVALUATION E E OBJECTIVES LEARNING GUIDE W TEACHER STUDENTS RESOURCES 1 Surds Students should be (1) Meaning of rational and Guides students to: (1) Differentiate between (1) Surdic operation Students to: able to: irrational numbers reading to (1) Differentiate rational and irrational charts on: (1) define surds (1) differentiate the definition of surds between the rational number leading to the addition, subtraction, (2) addition, between rational and (2) The rules guiding the basic and irrational definition of surds. multiplication and subtraction, irrational numbers. operation with surds i.e. numbers leading to (2) Perform and solve division. multiplication (2) state the rules of the definition of problems on addition, (2) Conjugate charts. and division of additions and surds. subtraction, surdic numbers subtraction and apply (2) Perform the multiplication and (3) use conjugate them in simplifying operation of division of surdic to solve surdic surds. addition and numbers. expression (3) Conjugate of a binomial (3) state the rules of subtraction of (3) Verify the rules of the (4) relate surds surds using the idea of multiplication and numbers in surdic operation of addition, to trigonometric difference of two squares. division and apply form. subtraction, ratios. (4) Application to solving them in simplifying (3) Conjugate multiplication and triangles involving surds. binomial surds division. trigonometric ratios of special o o o (4) use conjugate using the idea (4) Apply the principle angles of 30 , 60 and 45 . binomial surds to leading to the of difference of two (5) Evaluation of expression solve problems. difference of two squares to conjugate involving surds. (5) apply the concept squares. surdic expressions. of surd to problems (4) Appreciate the (5) Relate surds to involving application of surds trigonometric ratio. trigonometric ratios of to trigonometric o o o angle 30 , 60 , 45 etc. rations e.g. o = o = 34