"Understanding Calculators and Their Calculation Methods" Using Calculator to Calculate PPT Courseware

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Jiangsu Education Edition Fourth Grade Mathematics Volume 1	pptx	6 MB

"Understanding Calculators and Their Calculation Methods" Using Calculator to Calculate PPT Courseware

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Upload Time: 2024-09-30

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"Understanding Calculators and Their Calculation Methods" Using Calculator to Calculate PPT Courseware

1. Increasing the use of calculators for calculations is one of the trends in the reform of primary school mathematics textbooks in recent years. Calculators are increasingly used in work and life. Students mastering the use of calculators in a timely manner can improve the speed and accuracy of calculations.

2. Let students have a preliminary understanding of calculators, understand their basic functions, be able to use calculators to perform large-number calculations, and explore and discover some simple practical problems through calculations.

3. Enable students to experience the advantages of using calculators for calculations, further cultivate students' interest in learning mathematics, and feel the value of using calculators in human life and work.

1. Oral calculation

180＋100 100－42 630＋27

860-20 650+170 860-60

100×6 300×7 3×30 560÷80

Can the following two questions be calculated orally?

5963×234 45875÷25

1. Judgment

1. The OFF key is the power key ( )

2. Electronic calculators perform calculations by pressing keys on the keyboard. ( )

3. The key + is the division key. ( )

4. During the operation, if you find that the entered data is incorrect, you can use C. The CE key clears the error. ( )

An orchardist planted 352 apple trees.

Another 876 pear trees were planted.

If each apple tree can harvest 75 kilograms a year,

Each pear tree can produce 95 kilograms of pears.

How many kilograms of apples and pears can this fruit farmer harvest in a year?

Keywords: Understanding calculators and their calculation methods courseware, Jiangsu Education Edition fourth-grade mathematics PPT courseware download, fourth-grade mathematics slide courseware download, understanding calculators and their calculation methods PPT courseware download, .PPT format;

For more information about the PPT courseware "Understanding calculators and their calculation methods using computing machines", please click the "Understanding calculators and their calculation methods using computing machines ppt" tag.

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Update Time: 2024-09-30

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"Understanding Calculators and Their Calculation Methods" Using Calculator to Calculate PPT Courseware