"Understanding of Seconds" Hours, Minutes and Seconds PPT Courseware 3

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"Understanding of Seconds" Hours, Minutes and Seconds PPT Courseware 3

What's on the clock face?

1. Hands: The long one is the minute hand, the short one is the hour hand

2. There are 12 numbers (there are 12 large grids)

3. Each large grid has 5 small grids, and there are 60 small grids.

First look at the hour hand, how many small divisions the hour hand has moved is the time, then look at the minute hand, how many small divisions the minute hand has moved is the number of minutes

② When the minute hand moves from "12" to "1", it is ( ) minutes; when it moves from "12" to "7", it is ( ) minutes.

③The hour hand moves ( ) large divisions, the minute hand moves exactly ( ) circles, 1 hour = ( ) minute

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"Understanding of Seconds" Hours, Minutes and Seconds PPT Courseware 6:

"Understanding Seconds" Hours, Minutes and Seconds PPT Courseware 6 Learning Objectives: 1. Understand seconds. 2. Make students realize the preciousness of time and cherish it. Observe: What happens to the minute hand when the second hand moves around? Think: What is the relationship between minutes and seconds? ... ... ... Fill in the appropriate form..

"Understanding of Seconds" Hours, Minutes and Seconds PPT Courseware 5:

"Understanding of Seconds" Hours, Minutes and Seconds PPT Courseware 5 An airplane travels approximately 250 meters in one second. A car travels approximately 20 meters in one second. The satellite travels approximately 7,900 meters per second. Thousands of parts can be produced on the assembly line of a modern factory in one second. Some computers can complete 3 trillion operations per second.

"Understanding of Seconds" Hours, Minutes and Seconds PPT Courseware 4:

"Understanding Seconds" Hours, Minutes and Seconds PPT Courseware 4 Understanding Seconds How to measure time in seconds? To measure very short periods of time, units smaller than seconds are commonly used. ... ... ... Use your brain: How long does it take for the second hand to move from the number 3 to the number 6? The minute hand moves from...

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Update Time: 2024-09-12

This template belongs to Mathematics courseware Jiangsu Education Edition Second Grade Mathematics Volume 2 industry PPT template

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