"Mixed Operations of Addition and Subtraction of Decimals" Addition and Subtraction of Decimals PPT Courseware 2

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"Mixed Operations of Addition and Subtraction of Decimals" Addition and Subtraction of Decimals PPT Courseware 2

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"Mixed Operations of Addition and Subtraction of Decimals" Addition and Subtraction of Decimals PPT Courseware 2

Let’s see who can calculate correctly and quickly:

0.4+8.7= 4.5 +3.6=

0.28 +0.54 = 1.4 -0.9 =

7.1-3.5=5-2.7=

Today's second stage of the race has ended. How many kilometers do the cyclists have to ride to complete the race? Give it a try. How many methods do you have?

Method 1: 483.4-�39.5+98.8�483.4-138.3�345.1

Method 2: 165 +80.7 +99.4�245.7 + 99.4�3 45.1

Method 3: 483.4 -39.8 -98.8�443.9 -98.8�345.1

Give it a try:

The earth's surface area is 510 million square kilometers, of which the land area is 149 million square kilometers. How many billion square kilometers is the ocean area larger than the land area?

Compare: Who can calculate the best team and the fastest!

198.6-�38.6+15.3�=

268.7 + 153.8 + 231.3=

567.4 -153.6 -246.4 =

186.7 +239.5 -155.1 =

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For more information about the PPT courseware "Addition and subtraction of decimals, mixed operations of addition and subtraction of decimals", please click the Addition and subtraction of decimals ppt mixed operations of addition and subtraction of decimals ppt tag.

"Mixed Operations of Addition and Subtraction of Decimals" Addition and subtraction of decimals PPT courseware 3:

"Mixed Operations of Addition and Subtraction of Decimals" Addition and Subtraction of Decimals PPT Courseware 3 Teaching Objectives: 1. Let students correctly calculate addition and subtraction of decimals and master the order of mixed operations of addition and subtraction of decimals. 2. Be able to use different methods to solve the same problem and cultivate students' divergent thinking. 3...

"Mixed Operations of Addition and Subtraction of Decimals" Addition and subtraction of decimals PPT courseware:

"Mixed Operations of Addition and Subtraction of Decimals" Addition and subtraction of decimals PPT courseware 1. See who can calculate faster 0.2+0.3 3.5+2.4 8.7-4.5 1-0.6 0.9-0.5 2.3+5.4 4.9+1 8.6-5.5 0.7+0.8 6.7+1.1 5+6.5 9.7-7 2. First, let’s talk about the operation of the following questions..

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Update Time: 2024-11-04

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"Mixed Operations of Addition and Subtraction of Decimals" Addition and Subtraction of Decimals PPT Courseware 2
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