Mathematics - Senior Secondary 1 - Logarithms (I)

Logarithms (I)

Get it on Google Play
Get it on the Apple App Store
  1. Home
  2. Comprehensive Lesson Plan and Notes
  3. Senior Secondary 1
  4. Logarithms (I)

TERM: 1ST TERM

WEEK: 6

Class: Senior Secondary School 1
Age: 15 years
Duration: 40 minutes of 5 periods
Subject: Mathematics
Topic: Logarithms (I)
Focus: Understanding logarithms as the inverse of indices, deducing logarithms from indices and standard form, and plotting the graph of y=10xy = 10^x.

SPECIFIC OBJECTIVES:

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

  1. Deduce logarithms from indices and understand the relationship between logarithms and indices.
  2. Define logarithms and apply them to solve problems (
  3. Plot the graph of using values for x such as 0.1, 0.2, etc.
  4. Find logarithms and antilogarithms of numbers greater than 1 and identify characteristics and mantissa.
  5. Understand the differences between the logarithm and antilogarithm.

INSTRUCTIONAL TECHNIQUES:

  • Guided demonstration
  • Problem-solving and class discussion
  • Graph plotting
  • Question and answer

INSTRUCTIONAL MATERIALS:

  • Indices/logarithms chart
  • Definition chart of logarithm
  • Graph board and graph book
  • Whiteboard and markers

 

PERIOD 1 & 2: Deduction of Logarithm from Indices and Standard Form

PRESENTATION: