"Measurement Activity" The meaning of decimals and addition and subtraction PPT courseware

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Mathematics Volume 2 for Grade 4 of Beijing Normal University	pptx	6 MB

"Measurement Activity" The meaning of decimals and addition and subtraction PPT courseware

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Upload Time: 2024-10-05

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"Measurement Activity" The meaning of decimals and addition and subtraction PPT courseware

Because 1 meter = 10 decimeters, divide 1 meter into 10 equal parts, each part is 1 decimeter, which is ( ) meter; so 1 decimeter = ( ) meter ( ).

we discover

Convert singular number to singular number:

Low-level unit→High-level unit Write the low-level unit number as a fraction whose denominator is 10, 100, 1000..., then write the fraction as a decimal and add the unit name.

Expansion exercises

(1) 3 meters 5 centimeters = ( ) meters

(2) 100 yuan, 8 cents and 4 cents = ( ) yuan

(3) 375 grams = ( ) kilogram

(4) 60 kilograms 400 grams = (　) kilograms

(5) 150 cm = ( ) decimeter = ( ) meter

Rewrite the following questions.

(1) Rewrite the following numbers to use "yuan" as the unit, and the decimal part is a two-digit decimal.

(2) Rewrite the following numbers into numbers using “meters” as the unit.

(3) The Water Cube (National Aquatics Center) is located in the Olympic Park. It was completed on January 28, 2008, with an investment of approximately 1020 million yuan.

Keywords: Measurement activity courseware PPT, Beijing Normal University edition fourth grade mathematics volume 2 download PPT courseware, fourth grade mathematics slide courseware download, measurement activity PPT courseware download, .PPT format

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Update Time: 2024-10-05

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The meaning of decimals and addition and subtraction ppt Measurement activities ppt

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"Measurement Activity" The meaning of decimals and addition and subtraction PPT courseware