| Category | Format | Size |
|---|---|---|
| Hebei Education Edition Third Grade Mathematics Volume 2 | pptx | 6 MB |
"Estimation" PPT
Description
"Estimation" PPT
Part One: Estimate
We have to read and study every day. Do you know how big a page of your math book is? Do some estimation.
Example: 92 people visit the zoo. How much does it cost to buy tickets?
I regard 9 as 10 and 92 as 90, which costs about 900 yuan.
90×10=900
92×9≈900 (yuan)
I regard 92 as 90, which costs about more than 800 yuan.
90×9＝810
92×9≈810 (yuan)
Estimating PPT, Part 2: Give it a try.
How many meters can Xiaolan run in 3 minutes?
204 is close to 200, so 204 can be regarded as 200.
200×3=600(m)
Answer: Xiaolan can run about 600m in 3 minutes.
Keywords: Free download of Hebei Education Edition mathematics PPT courseware for third grade volume 2, estimation PPT download, .PPT format;
For more information about the "Two-digit times two-digit estimates" PPT courseware, please click the "Two-digit times two-digit ppt estimate" ppt tag.
"Estimation" Multiplying two or three digits by one digit PPT courseware 2:
"Estimation" Multiplying two or three digits by one digit PPT courseware 2 Important and difficult points to learn Key points: Master the estimation method of multiplying three or four digits by one digit. Difficulty: Make estimates based on actual life conditions. Estimation method: Multiply three or four digits by one digit: first multiply the three or four digits..
"Estimation" Multiplying two or three digits by one digit PPT courseware:
"Estimation" Multiplying Two and Three Digits by One Digit PPT Courseware Teaching Objectives 1. Combined with the specific situation, experience the process of independently selecting appropriate units for simple multiplication estimation. 2. Be able to choose appropriate units to solve simple multiplication estimation problems in life, and be able to estimate three-digit multiplication...
"Estimation" Multiplying two or three digits by one digit Flash animation courseware:
"Estimation" Flash animation courseware for multiplying two and three digits by one digit. This courseware is a teaching material for estimating Flash animation courseware for multiplying two and three digits by one digit in the second unit of the third grade mathematics volume of the Hebei Education Edition. The content is vivid and vivid. Please download! Keywords: Multiply two or three digits by one..
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Update Time: 2024-06-29
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