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

Description

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

Part One: Learning Objectives

1. Be familiar with the function keys of the calculator and be able to use them correctly.

2. Be able to use a calculator to perform mixed operations of addition, subtraction, multiplication, division and exponentiation of rational numbers. (Key points)

3. Use a calculator to explore patterns (difficulty)

Using a calculator to perform calculations PPT, part 2: teaching new lessons

Calculator keystrokes

Commonly used function keys

Use a calculator to calculate

give it a try

Use a calculator to calculate the following questions

Analysis of classic examples

Example 1 Use a calculator to calculate:

Example 2 Use a calculator to calculate and fill in the blanks:

152=________, 252=________, 352=________,

452=________．

(1)What did you find?

(2) Can you directly calculate 852,952 without using a calculator?

Do it

Use a calculator to calculate the following equations and fill in the results on the horizontal line:

999×21=________; 999×22=________;

999×23=________; 999×24=________.

(1)What did you find?

(2) Can you directly write the result of 999×29 without using a calculator? Use a calculator to verify the results you wrote.

Use a calculator to perform calculations PPT, part 3: Class summary

Use a calculator to calculate

Calculator keystrokes

Use a calculator to calculate

Use a calculator to explore the rules

Keywords: Beijing Normal University edition seventh-grade mathematics PPT courseware free download, calculations using a calculator PPT download, rational numbers and their operations PPT 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 for Operations" Rational Numbers and Their Operations PPT:

"Using Calculator for Operations" Rational Numbers and Their Operations PPT Part 1: Knowledge Points Basic Knowledge Point 1 Calculator Key Pressing Method 1. The function of the DEL key on the calculator is (C) A. Turn on the calculator B. Turn off the calculator C. Eliminate the currently displayed number or letter..

"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..

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

"Using Calculator for Operations" Rational Numbers and Their Operations PPT Courseware Calculate 32+45 87-157 426 6579 4.5^3 654-9+14 (3.2-4.5)3+0.4 161 Do it (1). Steps: 1. Choose any number from 1, 2, 3, 4, 5, 6, 7, 8, 9 2..

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Update Time: 2024-11-20

This template belongs to Mathematics courseware Beijing Normal University Edition Seventh Grade Mathematics Volume 1 industry PPT template

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