"Cognition of Numbers" general review PPT courseware

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"Cognition of Numbers" general review PPT courseware

What numbers have we learned? What do you know about these numbers and the connections between them? Communicate in groups.

(1) What is the advance rate between adjacent counting units of integers and decimals? Give me an example?

(2) Talk about the connections and differences between percentages and fractions.

(3) What are the basic properties of fractions? Can you use it to illustrate the properties of decimals?

Unit conversion:

The advance rate between two adjacent length units is 10

The rate of progress between two adjacent area units is 100, except for square meters and hectares which is 10,000

The rate of progress between two adjacent volume units is 1000

The advance rate between two adjacent time units is 60, except for days and hours, which are 24

The rate of progress between two adjacent weight units is 1000

Fill in the blanks first and then read it.

(1) One day, the lowest temperature in Shenyang City is minus 7 degrees Celsius, recorded as ( ) ℃; the lowest temperature in Shanghai is 5 degrees Celsius above zero, recorded as ( ) ℃.

(2) 3 people eat one watermelon together, and each person eats ( ) on average; Xiao Ming is 147 centimeters tall, recorded as ( ) meters.

(3) For a one-meter-long rope, ( ) meters are used up, and ( ) meters are left; 100 seeds are used for a germination test, 13 seeds have germinated, and the germination rate is ( )

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Update Time: 2024-10-02

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

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