# SS2 Mathematics 1st Term

## SS2 Mathematics 1st Term Lesson Note and Scheme of Work by Week

Attention: The internal data of table “42” is corrupted!
2023/2024 Academic Session Secondary School Resumption Dates: Mon 18-09-2023 for 1st Term Mon 08-01-2024 for 2nd Term Mon 29-04-2024 for 3rd Term

## Announcement for Students in: SS One, SS Two & SS Three, First Term

Study Online & Get
Better SSCE (WAEC & NECO) Results
Than in Tutorial Classes
Tutorial or Home lesson may not be so effective in your quest for academic excellence, especially when you have the opportunity to access our content-rich, well-formatted e-Notes, Video Lessons, Voice Notes, etc
Week 1: 18-09-2023

## Approximation

SUB TOPICS:
A. Approximation to the nearest whole numbers, decimal places and uints
B. Significant figures, ratios and proportions
C. Absolute error and relative error
D. Percentage errors and degree of accuracy

LEARNING OBJECTIVES: At the end of the lesson, learners should be able to:
1 Approximate numbers to the nearest ten, hundred, thousand, million, billion and trillion.
2 Round off numbers to the nearest tenth, thousandth, etc.
3 Compare results obtained from using logarithm table and calculators.
4 Calculate percentage error of a result or measurement from a given instrument.
5 Solve examples of approximation in schools, health sector and social environment.

Week 2: 25-09-2023

## Logarithms of Numbers Less than One

SUB TOPICS:
A. Revision on logarithm of numbers greater than one (SS1 1st Term)
B. Logarithm with bar notation involving addition and subtraction
C. Multiplication with numbers less than 1
D. Division with numbers less than 1
E. Revision of SSCE past questions

LEARNING OBJECTIVES: At the end of the lesson, learners should be able to:
1 Use logarithms table to perform calculations involving numbers less than 1.
2 Identify and name the two parts of a number in logarithms.
3 Write a given number in standard form and compare the number with its characteristics in logarithms.
4 Compare characteristics of logarithms with standard form of numbers.
5 Use logarithm table to perform multiplication and division of numbers less than 1.

Week 3: 02-10-2023

## Logarithms of Numbers Less than One (CONT'D)

SUB TOPICS:
A. Logarithm with bar notation involving multiplication and division
B. Powers of numbers less than 1
C. Roots of numbers less than 1
D. Simple equations with logarithms
E. Revision of SSCE past questions

LEARNING OBJECTIVES: At the end of the lesson, learners should be able to:
1 Simplify problems with bar notation either by addition or subtraction.
2 Use logarithm table to calculate powers of numbers less than 1.
3 Use logarithm table to calculate roots of numbers less than 1.
4 Apply logarithm rules to solve simple equations.

Week 4: 09-10-2023

## Circle Geometry I

SUB TOPICS:
A. Definition of terms on circles, chords and arcs
B. Mid-point of a chord
C. Angles in a circle
D. Angles in the same segment
E. Application of circle geometry

LEARNING OBJECTIVES: At the end of the lesson, learners should be able to:
1 Define the following terms: (i) major segment and minor segment (ii) radius and diameter (iii) chords and arcs
2 Prove that angle at the mid-point of a circle is right-angled (90◦).
3 Prove that the angles in the same segment of a circle are equal.
4 Prove that the angles which an arc subtends at the center is twice the angle it subtends at the circumference.
5 Draw diagrams of circle theorems in their books and label them correctly.

Week 5: 16-10-2023

## Circle Geometry I (CONT'D)

SUB TOPICS:
A. Angles in a semi-circle
B. Opposite interior and exterior angles of a cyclic quadrilateral
C. Application of cyclic quadrilateral theorem
D. Revision of SSCE past questions

LEARNING OBJECTIVES: At the end of the lesson, learners should be able to:
1 Prove that the angles in a semi-circle is 90◦
2 Prove that opposite interior and exterior angles of a cyclic quadrilateral are supplementary.
3 Solve problems on angles in a semi-circle and opposite angles in a cyclic quadrilateral correctly.

Week 6: 23-10-2023

SUB TOPICS:
B. Equations with irrational roots
C. Completing the square method

LEARNING OBJECTIVES: At the end of the lesson, learners should be able to:
1 Mention the methods used in solving quadratic equations.
2 Revise and recall factorization of perfect squares.
3 Expand and factorize perfect squares.
4 Recognise the difference between rational and irrational roots.
5 Identify equations with irrational roots.
6 Solve quadratic equations by method of completing the square.
7 Deduce the quadratic formular from the method of completing the square.

Week 7: 30-10-2023

## Take a quiz on SS2 Mathematics 1st Term

It does not require sign up or login. But a correct and valid e-mail will help the quiz machine send you the questions and answers when you click SUBMIT. Cheers!

1. Simplify log10 4 + log10 25. 1996 Q5

2. If log 2 = 0.3010 and log 2y = 1.8062, find, correct to the nearest whole number, the value of y. 2002 Q12

3. Simplify log 6 + log 2 – log 12 1991 Q5

4. A chord of length 6 cm is drawn in a circle of radius 5 cm. Find the distance of the chord from the centre of the circle. 2007 Q15

5. Find the equation whose roots are –8 and 5. 2000 Q35

6. The angle subtended at the centre by a chord of a circle radius 6 cm is 120. Find the length of the chord. 1994 Q26

7. If x = 3, y = 2 and z = 4, what is the value of 3x2 – 2y + z? 2007 Q11

8. Which of the following is not a quadratic expression? 2001 Q21

9. What value of k makes the given expression a perfect square? m2 – 8m + k. 1988 Q26

10. A chord is 5 cm from the centre of a circle of diameter 26 cm. Find the length of the chord. 1997 Q38

Question 1 of 10

Week 8: 06-11-2023

## Sine Rule and Cosine Rule

SUB TOPICS:
A. Trigonometry ratios
B. Angles between 0◦ and 360◦
C. Using table to find the value of Ꝋ lying between 0◦ and 360◦
D. The sine rule and application to everyday life
E. The cosine rule and application to everyday life

LEARNING OBJECTIVES: At the end of the lesson, learners should be able to:
1 Solve problems involving use of sine, cosine and tangent in right-angled triangle.
2 Find the sin, cos and tan of angles lying between 0◦ and 360◦ of the following: (i) 0.9626 (ii) 0.2826 (iii) 0.4628
3 Find the values of Ꝋ lying between 0◦ and 360◦ by using table.
4 Derive and apply sine rule to solve some problems.
5 Solve problems involving angles and sides of triangles using sine rule.
6 Derive and apply cosine rule to find angles and sides of triangles.

Week 9: 13-11-2023

## Bearing and Distance Using Applications of Sine Rule and Cosine Rule

SUB TOPICS:
A. Introduction to bearing and distance
B. Application of bearing and distance using sine rule
C. Application of bearing and distance using cosine rule
D. Revision of SSCE past questions

LEARNING OBJECTIVES: At the end of the lesson, learners should be able to:
1 State the definition of bearing.
2 Give the two bearing notations.
3 State their own examples of the two notations of bearing.
4 Define and draw 4, 8 and 16 cardinal points.
5 Solve practical problems on bearing.
6 Draw cardinal points measuring through clockwise direction correctly.
7 Solve problems in trigonometric ratios and angles of elevation and depression.

Week 10: 20-11-2023

## Statistics: Measure of Central Tendency of Grouped Data

SUB TOPICS:
A. Data collection and analysis of grouped data
B. Tabular presentation of data (frequency table)
C. Measure of central tendency (mean)
D. Measure of central tendency (median and mode)
E. Practical application to population studies

LEARNING OBJECTIVES: At the end of the lesson, learners should be able to:
1 Collect, tabulate and present data in meaningful form.
2 Construct frequency tables from given data.
3 Calculate given data with the use of measure of central tendency.
4 Calculate the mean, median and mode of given data of some problems in everyday life.
5 List various forms of data presentation.

Click on any link below to View Reference Textbooks or Join Google Classroom

Other Classes Listed Below
 SS 1 SS 2 SS 3 Mathematics

Scheme of Work by Topic for:
SS2 Mathematics 1st Term
(Ana Arm Technologies)
Approximation
Logarithms of Numbers Less than One
Circle Geometry
Sine Rule and Cosine Rule
Bearing and Distance
Statistics: Measure of Central Tendency of Grouped Data
Online Quiz
Reference Textbooks

## Senior School e-Classes

View Subjects/Courses
Browse SSS Scheme of Work
 Browse by Term & Class 1st SS 1 SS 2 SS 3 2nd SS 1 SS 2 SS 3 3rd SS 1 SS 2 SS 3

SS One Subjects 1st Term

SS Two Subjects 1st Term

SS Three Subjects 1st Term

NTI PgDE Past Q & A

SS One Subjects 2nd Term

SS Two Subjects 2nd Term

SS Three Subjects 2nd Term

Textbooks and References

SS One Subjects 3rd Term

SS Two Subjects 3rd Term

SSCE Past Questions

TRCN Past Q & A