| Category | Format | Size |
|---|---|---|
| Jiangsu Education Edition Fifth Grade Mathematics Volume 1 | pptx | 6 MB |
"Multiplying Decimals by Decimals" Decimal Multiplication and Division PPT Courseware 4
Description
"Multiplying Decimals by Decimals" Decimal Multiplication and Division PPT Courseware 4
To see how many decimals there are in the factors, start from the right side of the product and count how many decimal points there are.
6.7×0.3=2.01
If the multiplied product does not have enough decimal places, add 0 in front and then add the decimal point.
0.56×0.04=0.0224
To calculate decimal multiplication, first calculate the product according to the rules of integer multiplication, then look at how many decimals there are in the factors, count the number from the right side of the product, and click on the decimal point.
Determine whether there are errors in the number of decimal places for each product below.
56.7×38=2154.6
0.37×0.94=3.478
56.7×38=2154.6
0.37×0.94=3.478
Bought 12 school bags and 15 pencil cases.
(1) How much does it cost to buy a schoolbag?
(2) How much does it cost to buy a pencil case?
(3) How much did it cost in total?
Mongolian cattle generally weigh 0.326 tons and are 1.12 meters tall. The weight of the newly bred grassland red cattle is about 1.3 times that of Mongolian cattle, and the height is about 1.1 times that of Mongolian cattle. What is the weight and height of a prairie red bull?
It was going to rain. Xiaoli saw lightning in the distance and heard thunder 4 seconds later. How far away was the lightning from Xiaoli? (The propagation speed of thunder in the air is 0.33 kilometers/hour.)
Thought questions:
The product of two factors is 75.2. One factor is expanded by 6 times and the other factor is reduced by 2 times. What is the product?
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For more information about the PPT courseware "Multiplying Decimals by Decimals, Multiplication and Division of Decimals", please click the Multiplying Decimals by Decimals ppt Multiplication and Division of Decimals ppt tag.
"Multiplying Decimals by Decimals" Decimal Multiplication Flash Animation Courseware 2:
"Multiplying Decimals by Decimals" Multiplying Decimals Flash Animation Courseware 2 This courseware is a teaching material for decimal multiplication in the second unit of the fifth grade mathematics volume of the Hebei Education Edition. The content is vivid and vivid. Please download it! Keywords: decimal multiplication teaching courseware,...
"Multiplying Decimals by Decimals" Decimal Multiplication PPT Courseware 4:
"Multiplying Decimals by Decimals" Decimal Multiplication PPT Courseware 4 Teaching Objectives 1. Combined with specific examples, experience the process of using existing knowledge to solve problems and learn the calculation method of multiplying decimals by decimals. 2. Understand and master the calculation methods of decimal multiplication, and be able to correctly multiply decimals..
"Multiply decimals and their estimation" Decimal multiplication PPT courseware 2:
"Multiply decimals by decimals and their estimation" Decimal Multiplication PPT Courseware 2 Tell us how many decimals the following product is: 0.194.2 5.161.3 6.370.28 24.63.2 Calculate each of the following questions orally: 0.63 490.1 80.125 500.3 3.770 1.60.2 30.254 7.60.8+0.27..
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Update Time: 2024-07-04
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