"Calculating with a Calculator" PPT courseware

Description

"Calculating with a Calculator" PPT courseware

teaching objectives

In this class, we mainly learn to use calculators to calculate. Students must understand the development history of computing tools, master how to use calculators, and be able to use calculators to calculate the four arithmetic operations we have learned.

Use a calculator to calculate 38+27. Press 3 first, then 8, then "+", then 2, then 7, and finally "=". The number that appears on the display is the result of the calculation.

Use a calculator to calculate 30×18. Press 3 first, then 0, then "×", then 1, then 8, then "=". The number that appears on the display is the calculation result.

Try using a calculator to calculate the following questions

765＋469 589÷76 41600÷128

1438＋2576 380×426 765＋469－296

3028-2965 625÷25 816÷68×27

Put this water in drinking buckets (each bucket weighs about 20 kilograms), which can approximately hold ______ buckets.

5840÷20＝292 (barrel)

If your family drinks an average of 12 buckets of water per month, this water is enough for your family to drink for about ______ months, which equals ______ years.

292÷12≈24 (months)

24 months equals 2 years.

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For more information about the "Calculator to Calculate" PPT courseware, please click the "Use Calculator to Calculate ppt" tag.

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Update Time: 2024-11-02

This template belongs to Mathematics courseware Jiangsu Education Edition Fourth Grade Mathematics Volume 1 industry PPT template

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