# MATHEMATICS FIRST TERM JSS TWO WEEK TOPIC / CONTENT ACTIVITIES 1 LARGE AND SMALL NUMBERS i.  Practical representation of numbers using a. words only b. digits only c. mixture of digits and words ii. Identification of small numbers/fractions iii.  Place value of digits. Students: a.    Write and read large numbers b.    Write numbers using mixture of digits and words c.    Read newspaper articles involving large numbers. Instructional Resources: Flash cards, chart showing place values of digits of a given large and small number. 2 STANDARD FORM OF NUMBERS i.  Expressing whole numbers in standard form ii. Expressing decimal numbers in standard form. iii. Quantitative reasoning (QR) involving standard form Students: a. Express whole numbers in standard form b. Express decimal fractions in standard form c. Change numbers given in standard form to ordinary form. Instructional Resources: Cut-out of newspaper articles involving large and small numbers written in standard form. 3 APPROXIMATION i.  Approximation to a required degree of accuracy: tens, hundred, tenth etc. ii. Approximation to decimal places iii.  Approximation to significant figures. iv.  Quantitative Reasoning involving approximation Students: a.    Round off numbers to required degree of accuracy. b.    Round off numbers to 1 d.p, 2 d.p, 3 d.p. c.    Round off numbers to significant figures. Instructional Resources: Rounding  off number chart. 4 FACTORS AND MULTIPLES i.  Factors of numbers ii. Prime factors of numbers not greater than 200 iii.  Expressing numbers as product of its prime factors iv. Rules of divisibility v.  H.C.F of numbers. Students: i.  Express numbers as product of prime factors. ii. Find prime factors of numbers iii.  Find the H.C.F of a set of given whole numbers. Instructional Resources: Multiplication tables/chart. 5 FACTORS AND MULTIPLES i.  Multiples of numbers ii. Common multiples and LCM iii.  Squares and square roots iv.  finding square roots of numbers by factors. Students: a.    Write common multiples of given numbers b.    Identify perfect squares c.    Find square roots of perfect squares by factor method Instructional Resources: Multiplication tables/charts, squares and square root tables. 6 DIRECTED NUMBERS i.  Addition and subtraction of directed numbers. ii. Multiplication and division of directed numbers iii. Simplifying expression with directed numbers. Students: i.  Add 2 or more directed numbers ii. Multiply and divide directed numbers. iii. Apply the sign rule in simplifying expressions with directed numbers. Instructional Resources: i. Multiplication and division charts ii. a chart showing multiplication and division of signs (sign rules). 7 INVERSE IDENTITY i.  Additive inverse ii. Multiplicative inverse iii.  Use of inverse operation solving simple equations. Students: a. Obtain the additive inverse and multiplicative inverse of given numbers b. Solve simple equations by performing inverse operations. Instructional Resources: Chart showing inverse operations. 8 SIMPLE EQUATIONS IN ONE VARIABLE  Solving equations of the form i.  2x = 8 (ii) 3n-4 = 5 iii. 3x-4 = 2x+1 (iv) 2y+4                                  7    = 2 Students: Solve simple equations to obtain the unknown. Instructional Resources: Chart showing inverse operations 9 GRAPHS i.  Introduction to the Cartesian plane ii. Identifying the X and Y axis iii.  Plotting points on the Cartesian plane (coordinates) iv.  Construct shapes from given coordinates. Students: a.    Identify the X and Y axis b.    Draw the Cartesian plane c.    Plot given pints d.    Join plotted points to form shapes. Instructional Resources: Graph board, mathematical set. 10 LINEAR INEQUALITIES i.  Identifying linear inequality in one variable ii. Solving linear inequalities iii. Graphical representation of solution of linear inequalities iv. Word problems involving linear inequalities. Students: a.    Solve an inequality b.    Represent an inequality using a number line c.    Show the region of solution for a given inequality. Instructional Resources: Flash cards showing some inequalities. 11 EVERYDAY ARITHMETIC i.  Percentage and ratio ii. Conversion of fractions to ratio, decimals, percentages. iii.  Quantitative Reasoning on fractions, ratios and percentages. Students: a.    Convert fractions to ratio b.    Convert fractions to decimals and vice-serva c.    Convert fractions to percentages d.    Convert percentages to fractions. Instructional Resources: Multiplication/Division charts. 12 EVERYDAY ARITHMETIC (TRANSACTION IN HOMES AND OFFICES) i.  Profit  and loss ii. Simple interest iii.  Discount iv.  Commission Students: a.    Compute loss or gain/profit for transactions made. b.    Calculate simple interest given principal, time and rate. Instructional Resources: Collection of objects with price tag. Create a mini shop. 13 Revision 14 Examinations