"Using Calculator to Perform Operations" Rational Numbers and Their Operations PPT Courseware

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Beijing Normal University Edition Seventh Grade Mathematics Volume 1	pptx	6 MB

"Using Calculator to Perform Operations" Rational Numbers and Their Operations PPT Courseware

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Upload Time: 2024-10-01

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"Using Calculator to Perform Operations" Rational Numbers and Their Operations PPT Courseware

Do the math

32+45 87-157 42 × 657 ÷ 9 4.5^3

65÷4-9+14 (3.2-4.5)×3+0.4

16×1¾

Do it

(1) Steps:

1. Choose any number from 1, 2, 3, 4, 5, 6, 7, 8, 9

2.Multiply this number by 9

3. Multiply the above result by 12345679 and choose a few more numbers to try. What patterns have you discovered? Communicate your reasons with peers.

(2) Use a calculator to calculate the following equations and fill in the results on the horizontal line

99 999 × 11= _________

99 999 × 12=__________

99 999 × 13=__________-

99 999 × 14=__________

(3) Use 9, 8, 6, and 5 to form the largest four-digit number 9865 and the smallest four-digit number 5689

(1) 9865-5689 =

(2) Use the four digits of the four digits in the "(1)" to form a maximum number of numbers to minimize the minimum number and get a new four -digit number.

(3) Repeat the above process for the newly obtained four-digit number,

(4) What did you find?

(5) Choose any four-digit number (the numbers on each digit are not equal) and repeat the above process. What do you find?

Keywords: rational numbers and their operations courseware, using a calculator to perform operations courseware, Beijing Normal University edition seventh grade mathematics volume PPT courseware, seventh grade mathematics slide courseware download, rational numbers and their operations PPT courseware download, using a calculator to perform operations PPT courseware Download, .ppt format

For more information about the PPT courseware "Rational Numbers and Their Operations Use Calculator to Operate", please click the Rational Numbers and Their Operations PPT Use Calculator to Operate PPT tag.

"Using Calculator to Perform Operations" Rational numbers and their operations PPT download:

"Using Calculator for Operations" Rational Numbers and Their Operations PPT Download Part One Content: Learning Objectives 1. Be familiar with the function keys of the calculator and be able to use them correctly. 2. Be able to use the calculator to add, subtract, multiply and divide rational numbers. , mixed operations of powers. (Key points) 3..

"Use of calculators for operations" has rational numbers and its computing PPT:

"Use Calculator for Computing" and the first part of the computing PPT content: Basic Knowledge Point 1 Calculator Method of Knowledge Point 1. The function of the Del key on the calculator is (C) A. Open the calculator B. C. Eliminate the currently displayed numbers or letters ..

"Using Calculator for Operations" Rational Numbers and Their Operations PPT Courseware 2:

"Using Calculator for Operations" Rational Numbers and Their Operations PPT Courseware 2 Characteristics of calculators: fast operation, easy operation, small size Types of calculators: (1) Simple calculator (2) Scientific calculator (3) Graphing calculator Observation: 512345679 = 412345679..

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Rational numbers and their operations PPT Using a calculator to perform operations PPT

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"Using Calculator to Perform Operations" Rational Numbers and Their Operations PPT Courseware