JSS 2

Lesson 1 · Place value and ordering of whole numbers and decimals

• •Identify place values of digits in large whole numbers and decimals.
• •Compare and order whole numbers and decimals using inequality signs.

Lesson 2 · Expanded notation of whole and decimal numbers

• •Convert whole numbers and decimals into expanded form.
• •Write numbers in words and figures up to trillions and millionths.

Lesson 3 · Addition and subtraction of decimals

• •Calculate the sum of multiple decimal numbers using column method.
• •Solve subtraction problems involving decimals up to four decimal places.

Lesson 4 · Multiplication of decimal numbers

• •Multiply decimals by powers of 10, 100, and 1000.
• •Multiply two decimal numbers and correctly place the decimal point.

Lesson 5 · Division of decimal numbers and applications

• •Divide decimals by whole numbers and other decimal numbers.
• •Apply division of decimals to solve simple word problems.

Lesson 1 · Concept of standard form and scientific notation

• •Identify the characteristics of numbers in standard form (A x 10^n).
• •Explain the importance of standard form in expressing large values.

Lesson 2 · Converting large numbers to standard form

• •Convert large whole numbers into standard form.
• •Change numbers from standard form back to ordinary form.

Lesson 3 · Converting small decimals to standard form

• •Convert small decimal numbers into standard form with negative indices.
• •Translate standard form with negative powers into ordinary decimals.

Lesson 4 · Multiplication and division in standard form

• •Solve multiplication problems involving numbers in standard form.
• •Divide numbers in standard form using the laws of indices.

Lesson 5 · Comparing and applying standard form to problems

• •Compare the magnitude of various numbers written in standard form.
• •Solve real-life problems involving large distances using standard form.

Lesson 1 · Rounding whole numbers to specified place values

• •Identify the rules for rounding up or down digits.
• •Round whole numbers to the nearest ten, hundred, and thousand.

Lesson 2 · Approximation to significant figures

• •Identify the first non-zero digit as the first significant figure.
• •Round decimal numbers to a specified number of significant figures.

Lesson 3 · Approximation to decimal places

• •Count decimal places starting from the decimal point.
• •Round decimals to a given number of decimal places.

Lesson 4 · Estimation and mental calculation strategies

• •Calculate the sum and difference of numbers after rounding.
• •Estimate the product and quotient of numbers for quick checks.

Lesson 5 · Real-life applications of approximation

• •Demonstrate rounding when dealing with Nigerian Naira and Kobo.
• •Apply approximation to solve daily measurement and distance problems.

Lesson 1 · Review of fraction types and conversion

• •Identify proper fractions, improper fractions, and mixed numbers.
• •Convert mixed numbers to improper fractions before calculation.

Lesson 2 · Multiplication of proper and improper fractions

• •Calculate the product of two or more proper fractions.
• •Simplify products of fractions to their lowest terms.

Lesson 3 · Multiplication involving mixed numbers

• •Solve multiplication problems involving mixed numbers and whole numbers.
• •Apply multiplication of fractions to find areas of rectangular shapes.

Lesson 4 · Division of fractions using reciprocals

• •Identify the reciprocal of a given fraction or whole number.
• •Calculate the quotient of two fractions using the reciprocal method.

Lesson 5 · Word problems on multiplication and division of fractions

• •Solve complex word problems involving both multiplication and division.
• •Evaluate expressions involving fractions and the "of" operator.

Lesson 1 · Personal and household budgeting methods

• •Identify various sources of income and types of personal expenses.
• •Calculate total expenditure and balance from a simple household budget.

Lesson 2 · Simple interest on savings and loans

• •Explain the difference between simple interest and compound interest.
• •Calculate simple interest on savings using the formula I=PRT/100.

Lesson 3 · Profit and loss in trade transactions

• •Identify the concepts of cost price and selling price.
• •Calculate percentage profit and loss in market transactions.

Lesson 4 · Discount, VAT, and basic taxation

• •Explain the purpose of Value Added Tax and income tax.
• •Calculate the VAT on purchased goods using current Nigerian rates.

Lesson 5 · Utility bills and postal charges calculations

• •Compare different utility bills like electricity and water rates.
• •Calculate the total cost of electricity based on units consumed.

Lesson 1 · Degree of accuracy in measurements

• •Identify the most appropriate degree of accuracy for various tasks.
• •Evaluate the effect of rounding errors on final calculations.

Lesson 2 · Upper and lower limits of approximation

• •Calculate the range within which a rounded measurement falls.
• •Determine the upper and lower limits of approximated values.

Lesson 3 · Calculating percentage error in approximations

• •Calculate percentage error in measurements and recorded data.
• •Apply the percentage error formula to laboratory experiment results.

Lesson 4 · Approximation in market prices and measurements

• •Solve word problems involving approximating costs in the market.
• •Evaluate the precision of different measuring instruments used daily.

Lesson 5 · Complex problems on approximation and error

• •Solve multi-step problems requiring approximation at intermediate stages.
• •Compare exact values with approximated values to show efficiency.

Lesson 1 · Basic terms and translation of algebraic expressions

• •Identify constants, variables, and coefficients in algebraic terms.
• •Translate simple English sentences into mathematical algebraic expressions.

Lesson 2 · Addition and subtraction of algebraic terms

• •Identify like and unlike terms in an expression.
• •Simplify algebraic expressions by grouping and adding like terms.

Lesson 3 · Expansion of algebraic expressions with brackets

• •Apply the distributive law to expand single brackets.
• •Multiply a binomial expression by a constant or variable.

Lesson 4 · Factorization of simple algebraic expressions

• •Identify the highest common factor (HCF) of algebraic terms.
• •Factorize simple algebraic expressions by taking out common factors.

Lesson 5 · Substitution and simplification of algebraic fractions

• •Simplify algebraic fractions with common factors in the terms.
• •Evaluate algebraic expressions by substituting given numerical values.

Lesson 1 · Introduction to solving linear equations

• •Identify linear equations and distinguish them from expressions.
• •Solve basic linear equations using the balancing method.

Lesson 2 · Equations with variables on both sides

• •Solve equations where the variable appears on both sides.
• •Demonstrate the transposition method to isolate the unknown variable.

Lesson 3 · Solving linear equations involving fractions

• •Solve linear equations that contain simple numerical fractions.
• •Clear fractions in equations by multiplying by the LCM.

Lesson 4 · Equations with brackets and verification of roots

• •Solve linear equations that require expanding brackets first.
• •Check the accuracy of solutions by substituting back into equations.

Lesson 5 · Word problems leading to linear equations

• •Translate word problems into linear equations in one variable.
• •Solve real-life age and number problems using linear equations.

Lesson 1 · Properties of special quadrilaterals

• •Identify various types of quadrilaterals like squares and rectangles.
• •Describe the properties of rhombuses, parallelograms, and trapeziums.

Lesson 2 · Symmetry and diagonals of quadrilaterals

• •Identify the relationship between diagonals of different quadrilaterals.
• •Compare properties of a kite and a rhombus.

Lesson 3 · Perimeter of various quadrilateral figures

• •Calculate the perimeter of any given quadrilateral shape.
• •Solve problems involving the perimeters of composite plane shapes.

Lesson 4 · Area of parallelograms, rhombuses, and trapeziums

• •Apply formulas to find the area of parallelograms and rhombuses.
• •Calculate the area of trapeziums using the standard formula.

Lesson 5 · Construction of quadrilaterals using geometric tools

• •Construct a square and rectangle using a ruler and compass.
• •Construct a parallelogram given specific side lengths and angles.

Lesson 1 · Concept and notation of scale drawing

• •Explain the concept of ratio in scale drawing representations.
• •Identify the difference between enlargement and reduction scales.

Lesson 2 · Reading and interpreting scale drawings

• •Draw lines and shapes representing actual distances using scales.
• •Calculate actual lengths from measurements given on a scale drawing.

Lesson 3 · Constructing shapes using a given scale

• •Construct simple shapes like triangles using a specified scale.
• •Apply scale drawing to represent objects on a map.

Lesson 4 · Calculating distances and scales from maps

• •Calculate the distance between two points on a local map.
• •Determine the scale used when given actual and drawing lengths.

Lesson 5 · Practical project on scale drawing of buildings

• •Construct a floor plan of a classroom using scale.
• •Evaluate the accuracy of a scale drawing against reality.

Lesson 1 · Classification and naming of regular polygons

• •Identify different types of polygons based on number of sides.
• •State the names of polygons from pentagons to decagons.

Lesson 2 · Sum of interior angles of a polygon

• •Calculate the sum of interior angles of any n-sided polygon.
• •Solve for the value of one interior angle in a regular polygon.

Lesson 3 · Exterior angles of regular and irregular polygons

• •Explain why the sum of exterior angles is always 360 degrees.
• •Calculate the size of an exterior angle of a regular polygon.

Lesson 4 · Relationship between interior and exterior angles

• •Describe the relationship between an interior and an exterior angle.
• •Find the number of sides of a polygon given its angles.

Lesson 5 · Solving complex angle problems in polygons

• •Solve multi-step problems involving unknown angles in various polygons.
• •Demonstrate the properties of angles in irregular polygons.

Lesson 1 · Data collection and frequency distribution tables

• •Identify different methods of collecting and organizing data.
• •Organize raw data into a frequency distribution table.

Lesson 2 · Construction and interpretation of pie charts

• •Calculate the angles of sectors representing data categories.
• •Construct an accurate pie chart to represent a data set.

Lesson 3 · Arithmetic mean of discrete data sets

• •Calculate the arithmetic mean for a set of discrete data.
• •Apply the mean formula to solve simple average problems.

Lesson 4 · Calculating the median and the mode

• •Identify the median of a data set by ordering values.
• •Determine the mode as the most frequent value in data.

Lesson 5 · Application of mean, median, and mode

• •Compare the mean, median, and mode of a single data set.
• •Solve real-life statistics problems using measures of central tendency.