"Recurring Decimals" Decimal Division PPT Courseware 7

Description

"Recurring Decimals" Decimal Division PPT Courseware 7

1. Ask students to calculate these problems in groups to see which group does it correctly and quickly.

0.75÷2.5 32÷6 2.7÷11

Discussion: Based on the above situation of 32÷6 2.7÷11 quotient, what is the relationship between the decimal part of the observed quotient and the remainder?

Exercise: Which of the quotients of the following numbers are recurring decimals? Write the recurring decimals in a simple way.

(1)0.666÷0.2=3.33

(2)17÷16=1.0625

(3) 1.4÷0.3=4.66······

(4) 15÷7=2.142857142857······

(5)3.1÷1.3=2.384615······

(6)5.62÷0.91=6.17582······

For recurring decimals, you can also take its approximate number according to actual needs.

0.245 (rounded to two decimal places)

0.245 (rounded to three decimal places)

extracurricular development

If A, B, and C are used to represent three different numbers, such as: A.BBCBBC... What number can be abbreviated to? What is the hundredth digit of the decimal part of this decimal?

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For more information about the "Division of Decimals and Repeating Decimals" PPT courseware, please click the "Division of Decimals ppt and Repeating Decimals" ppt tag.

"Recurring Decimals" Decimal Division PPT Courseware 6:

"Recurring Decimals" Decimal Division PPT Courseware 6 Teaching Objectives: 1. Understand recurring decimals in division calculations. 2. Know the concept of recurring decimals and be able to use simple methods to express recurring decimals. 3. Can compare the larger of two numbers or several numbers..

"Recurring Decimals" Decimal Division PPT Courseware 5:

"Recurring Decimals" Decimal Division PPT Courseware 5 Among some of the natural phenomena that we usually come into contact with or which phenomena in life are also carried out in a certain order? The order of the four seasons: the order of the seven days of the week, the order of the 12 months of the year...

"Recurring Decimals" Decimal Division PPT Courseware 4:

"Recurring Decimals" Decimal Division PPT Courseware 4 What are the characteristics of recurring decimals? Starting from a certain digit in the decimal part, a number or several numbers appear repeatedly in sequence. A number or several numbers whose decimal part is repeated one after another is called a recurring decimal.

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Update Time: 2024-10-01

This template belongs to Mathematics courseware Western Normal University Edition Fifth Grade Mathematics Volume 1 industry PPT template

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