"How Long is 1 Minute" Hours, Minutes and Seconds PPT (Lesson 2)

Description

"How Long is 1 Minute" Hours, Minutes and Seconds PPT (Lesson 2)

Part One: Learning Objectives

1. Observe the clock face further and feel the length of 1 hour, 1 minute and 1 second.

2. Master the conversion relationship between minutes and seconds and be able to perform simple time unit conversions.

3. Enhance the concept of cherishing time through understanding of time.

[Key Points] Understand hours, minutes, and seconds, and master the relationship between them.

[Difficulty] Convert time units skillfully.

How long is 1 minute PPT? Part 2: Introduction of new knowledge

In the 10-second air rifle shooting finals, each round must be fired within 75 seconds. How many seconds is 75 seconds?

How many seconds is 75 seconds?

You can use the advance rate between hours, minutes, and seconds to convert between large and small units.

1 minute is 60 seconds, and walking for another 15 seconds is 75 seconds, so 75 seconds = 1 minute and 15 seconds.

1 minute is 60 seconds, 75-60=15 seconds, so 75 seconds=1 minute and 15 seconds.

It took 1 hour and 30 minutes to play a football match. What time is 1:30?

One revolution of the minute hand is 60 minutes.

60 minutes = 1 hour, then count 30 minutes to 90 minutes.

So 1 hour and 30 minutes = 90 minutes.

How long is 1 point PPT, part 3: Classroom exercises

1. Fill it out.

1 hour = ______ minute 1 minute = _______ second

90 seconds = _____ minutes _____ seconds 1 minute 20 seconds = _______ seconds

70 minutes = ____ hours ____ minutes 1 hour and 15 minutes = ______ minutes

2. Fill it out.

2 minutes = ( ) seconds 2 hours and 30 minutes = ( ) minutes

50 minutes + 10 minutes = ( ) hours 1 minute - 35 seconds = ( ) seconds

3. Think about it and fill it in.

(1) One class is ____ minutes, the break is _____ minutes, plus _____ minutes is 1 hour.

(2) The red light lasts for 2 minutes before changing to green. 2 minutes is ____ seconds.

How long is 1 point? PPT, Part 4: Class Summary

When converting between hours and minutes, minutes and seconds, you can use methods such as counting, drawing, and calculations to solve the problem.

How long is 1 point PPT, Part 5: Classwork

1. Fill it out.

1 hour and 40 minutes = ( ) minutes 5 minutes = ( ) seconds

72 seconds = ( ) minutes ( ) seconds

80 seconds = ( ) minutes ( ) seconds

2. When the minute hand moves 1 big division on the clock face, it is ( ) minute, when it moves 6 big divisions, it is ( ) minute, and when the second hand moves from 11 to 4 big divisions, it is ( ) second, as shown on the clock face. the time is( ).

3. Choose.

(1) It costs 4 points for a cat to eat 1 fish. According to this calculation, it would take ( ) for 4 cats to eat 4 fish at the same time.

A. 1 point B. 4 points C. 16 points

(2) The time it takes for the second hand to make one revolution is ( ).

A. 1 second B. 1 minute C. 1 hour

(3) Xiaohong can write 5 words for 1 point, and ( ) words for 6 points.

A. 6 B. 5 C. 30

Keywords: Beijing Normal University Edition Second Grade Mathematics PPT Courseware Free Download, How Long is 1 Minute PPT Download, Hours, Minutes and Seconds PPT Download, .PPT Format;

For more information about the PPT courseware "How long is 1 minute in hours, minutes and seconds?", please click on the PPT label of "How long is 1 minute in hours, minutes and seconds" PPT.

"How Long is 1 Minute" PPT on Hours, Minutes and Seconds (Lesson 1):

"How Long is 1 Minute" Hours, Minutes and Seconds PPT (Lesson 1) Part One: Learning Objectives 1. Understand the structure of tables and master the use of hours, minutes and seconds in life. 2. Explore and understand how long 1 minute is through practice. 3. In the process of observation, thinking and expression, familiarize...

File Info

Update Time: 2024-11-22

This template belongs to Mathematics courseware Beijing Normal University Edition Second Grade Mathematics Volume 2 industry PPT template

Preview