# Mathematics Guides for JSS 2 Basic Operations

**MATHEMATICS **

**THEME – BASIC OPERATIONS**

**TOPIC 1 – APPROXIMATION**

**INSTRUCTIONAL MATERIALS**

Chart

**LEARNING OBJECTIVES **

By the end of the lesson, students should be able to:

1. approximate numbers to any given degree of accuracy.

2. solve quantitative reasoning problems related to approximation of numbers.

**CONTENTS OF THE LESSON**

**FOCUS LESSONS **

Approximation of numbers:

1.Decimal places.

2. Significant figures.

3. Quantitative reasoning.

**LESSON PRESENTATION**

Teacher’s Activities,1. Leads students to carryout simple approximation to a given degree of accuracy.

2. Guides students to solve quantitative reasoning problems related to approximation of numbers.

Student’s Activities,1. Carryout simple approximation to a given degree of accuracy.

2. Solve quantitative reasoning problems related to approximation of numbers.

**LESSON EVALUATION**

Students to,

1. solve simple problems relating to number of given decimal places and the enquired significant figures.

2. solve quantitative reasoning problems related to approximation of numbers.

**MATHEMATICS **

**THEME – BASIC OPERATIONS**

**TOPIC 2 – MULTIPLICATION AND DIVISION OF DIRECTED NUMBERS**

**INSTRUCTIONAL MATERIALS**

1. Square and square root tables.

2. Distance charts, fight schedules chart, etc.

3. Directed numbers multiplication and division chart.

**LEARNING OBJECTIVES **

By the end of the lesson, students should be able to:

1. obtain the squares and square roots of numbers.

2. interpret and use tables, charts, records and schedules.

3. carryout correct multiplication and division involving directed number.

**CONTENTS OF THE LESSON**

**FOCUS LESSONS **

1. Square and square root tables.

2. Charts, records and schedules.

3. Multiplication and Division of directed numbers.

**LESSON PRESENTATION**

Teacher’s Activities,1. Leads students to obtain the squares and square roots of numbers from the table.

2. Guides students to interpret and use tables, charts, records and schedules.

3. Leads students to multiply and divide directed numbers.

Student’s Activities,1. Obtain the squares and square roots of given numbers form the table.

2. Interpret and use tables, charts, records and schedules.

3. Multiply and divide directed numbers.

**LESSON EVALUATION**

Students to,

1. obtain the squares and squares roots of given numbers from the table.

2. interpret and use given tables, charts, records and schedules.

3. find the product of any two given directed numbers.

4. determine the quotient of any two given directed numbers.

**MATHEMATICS **

**THEME – BASIC OPERATIONS**

**TOPIC 3 – TRANSACTIONS IN THE HOMES AND OFFICES**

**INSTRUCTIONAL MATERIALS**

Electricity bill, water rate bill.

**LEARNING OBJECTIVES **

By the end of the lesson, students should be able to:

1. solve problems relating to office and household arithmetic.

2. solve simple commercial arithmetic relating to profit, interest, discount and commision.

**CONTENTS OF THE LESSON**

**FOCUS LESSONS **

1. Household arithmetic.

2. Commercial arithmetic.

**LESSON PRESENTATION**

Teacher’s Activities,1. Leads students to solve common home and office problems. e.g electricity bills, water rates and family budget.

2. Guides students to solve simple commercial arithmetic relating to profit, interest, discount and commission.

Student’s Activities,1. Solve problems on electricity bills, water rates and family budget.

2. Solve given simple commercial arithmetic.

**LESSON EVALUATION**

Students to,

1. solve problems on household and office arithmetic.

2. solve given problems on commercial arithmetic.