Measurement Of Time

LESSON 2

• MATHEMATICS MEASUREMENT OF TIME

• Instructional Resources: Class set of the Time 2 Tell Time 1 worksheet Class set of the Time 2 Tell Time 2 worksheet , Small whiteboards and markers , Small analog clocks (one per student) Large analog clock , Large digital clock • Vocabularies • Time • Analog clock • Digital clock • Unit • Duration • Instrument

• Instructional techniques / Methods: Explanatory, discussion, demonstration. • Entry behavior: The pupils are familiar with time in their daily activities. • Behavioral Objectives: At the end of the activities of this lesson, the learners should be able to: • Explain the concept of time • Define time • List the types and examples of instruments used in measuring time • Identify form of clock • Identify and state the common units of time. • Perform simple exercise on time.

Step 1: Introduction Time is very important in every of our activities in life, has there is appropriate time for every thing we do, just as we have day and night, raining and sunny, christmas and new year, birthday etc. The other ways of expressing time are: Past: Past is defined as the occurrence of an event before the given point of time reference. Present: Present is defined as the occurrence of an event at that given point of time reference. Future: Future is defined as the occurrence of an event at indefinite time reference.







• TIME • INSTRUMENT USED IN MEASURING TIME • Time can be defined as the • Basically there are two types of duration of an . instruments • EVENT • Event is a pre-plan activities or exercise such as party, church or mosques program etc

• Non standard instrument: These are olden days / Traditional method of measuring time, though it is genuine but not accurate enough. • Examples of Non-standard instruments Water clock

• Standard instrument : • Is a modern / technological advancement on time measurement • Example of standard instruments – Wristwatch – Wall clock – Stop watch – Pendulum clock – Heart beat – Pulse – Calendar

Units of Time

Telling Time 1:00 1:15 1:30 1:45

Telling The Time In Whole Hour

Telling Time In Quarter Past Telling Time In Quarter To

Using A.M and To Tell The Time Each day is divided into two DAY & NIGHT. There are 24hours in a day, we have daytime (sunrise) though it varies, but we can say approximately (6AM) to sunset we can say approximately (6PM. Halves from midnight until noon is called A.M - Ante-meridiem its means before noon. Midnight is called P.M - post-meridiem its means afternoon.



• These are the countries where you can see the midnight sun in the Northern/Southern Hemisphere: • Norway. • Iceland. • Greenland. • Finland. • Sweden. • Russia. • Alaska. • Canada.



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