SOLUTION OF PROBLEMS ON SIMPLE ALGEBRAIC EQUATION Solving equation by balance method Equation with bracket Equation with fraction. Solving Equation by Balance Method To solve an equation means to find… Read More »SIMPLE ALGEBRAIC EQUATION
ALGEBRAIC EXPRESSION Definition with examples Expansion of algebraic expression Factorization of simple algebraic expressions Definition with examples In algebra, letters stand for numbers. The numbers can be whole or… Read More »ALGEBRAIC EXPRESSION
ADDITION AND SUBTRACTION OF DIRECTED NUMBERS Directed numbers are the positive and negative numbers in any given number line e.g -4 -3 -2 -1 0 1… Read More »DIRECTED NUMBERS
APPROXIMATION OF NUMBERS ROUNDING OFF TO DECIMAL PLACES Digits 1,2,34 are rounded down to Zero, while digits 5, 6, 7, 8, and 9 are rounded up to 1 e.g. 126=130… Read More »APPROXIMATION OF NUMBERS ROUNDING
Interest is the money paid for saving a particular amount of money. Simple interest can be calculated using the formula Simple interest I = PRT/100 Where P= principal, R=rate… Read More »SIMPLE INTEREST
Fractions and Percentages A fraction can be converted to decimal by dividing the numerator by its denominator. It can be changed to percentage by simply multiplying by 100. Example 5.1… Read More »FRACTIONS, RATIOS, DECIMALS AND PERCENTAGES
Highest Common Factors Highest common factor is the greatest number which will divide exactly into two or more numbers. For example 4 is the highest common factor (HCF) of 20… Read More »H.C.F & L.C.M AND PERFECT SQUARES
Difference between Whole Numbers and Decimal Numbers Whole number is a number without fraction. For example 1, 2, 3, 41000, 38888 are examples of whole numbers.71/2 is not a whole… Read More »WHOLE NUMBERS AND DECIMAL NUMBERS
Definition of Integer An integer is any positive or negative whole number Example: Simplify the following (+8) + (+3) (ii) (+9) – (+4) Solution (+8) + (+3) = +11 … Read More »BASIC OPERATION OF INTEGERS
Area of Plane Figures
Content
a.) Types of angles
b.) Angles on a straight line
c.) Angles at a point
d.) Angles on a transversal (corresponding, alternate and allied angles)
e.) Angle properties of polygons
f.) Application to real life situations
Content
(a.) Mass and units of mass
(b.) Weight and units of weight
(c.) Density
(d.) Problem solving involving real life experiences on mass, volume, density and weight.
Content
(a.) Units of volume
(b.) Conversion of units of volume
(c.) Volume of cubes, cuboids and cylinders
(d.) Units of capacity
(e.) Conversion of units of capacity
(f.) Relationship between volume and capacity
(g.) Solving problems involving volume and capacity
Content
(a.) Units of area (cm2 , m2 , km2 , Ares, ha)
(b.) Conversion of units of area
(c.) Area of regular plane figures
(d.) Area of irregular plane shapes
(e.) Surface area of cubes, cuboids and cylinders
Content
(a.) Units of length (mm, cm, m, km)
(b.) Conversion of units of length from one form to another
(c.) Significant figures
(d.) Perimeter
(e.) Circumference (include length of arcs).
Content
(a.) Rates
(b.) Solving problems involving rates
(c.) Ratio
(d.) Comparing quantities using ratio
(e.) Increase and decrease in a given ratio
Content
(a.) Letters for numbers
(b.) Algebraic fractions
(c.) Simplification of algebraic expressions
(d.) Factorization by grouping
(e.) Removal of brackets
(f.) Substitution and evaluation
(g.) Problem solving in real life situations.
Content
(a.) Squares by multiplication
(b.) Squares from tables
(c.) Square roots by factorization
(d.) Square roots from tables.
Content
(a.) Fractions and decimals
(b.) Recurring decimals
(c.) Recurring decimals and fractions
(d.) Decimal places
(e.) Standard form
(f.) Operations on decimals
(g.) Order of operations
(h.) Real life problems involving decimals.
Content
(a.) Fractions
(b.) Proper, improper fractions and mixed numbers.
(c.) Conversion of improper fractions to mixed numbers and vice versa.
(d.) Comparing fractions.
(e.) Operations on fractions.
(f.) Order of operations on fractions
(g.) Word problems involving fractions in real life situations.