| Category | Format | Size |
|---|---|---|
| Qingdao Edition Fourth Grade Mathematics Volume 1 | pptx | 6 MB |
"Little Volunteers" PPT courseware 2
Description
"Little Volunteers" PPT courseware 2
What questions can you ask?
1. How many meters shorter does Xiaoqiang walk than Xiaoli?
2. How far does the old man have to walk to finish 10,000 meters?
How many meters shorter does Xiaoqiang walk than Xiaoli?
How to calculate it?
To calculate this problem, you need to first calculate how many meters they each walked.
50×47=2350 (meters)
52×47=2444 (meters)
Xiaoli's minus Xiaoqiang's is Xiaoli's extra walk.
2444-2350=94 (meters)
What else can be done?
2. How far does the old man have to walk to finish 10,000 meters?
(1) 70×30=2100 (meters)
60×301800 (meters)
10000-2100-1800=6100 (meters)
(2) 10000-(70×30+60×30)
=10000-(2100+1800)
=10000-3900
=6100 (meter)
Can anyone summarize the order of operations for mixed operations?
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"Little Volunteers" PPT courseware:
"Little Volunteers" PPT courseware 1. Situation introduction Pencil box 29 yuan/piece How much does it cost to buy 10 pencil boxes? Notebooks cost 5 yuan/pen and pens cost 8 yuan/piece. How much does it cost to buy 40 notebooks and 30 pens in total? What mathematical information do you know from the picture? root..
File Info
Update Time: 2024-07-03
This template belongs to Mathematics courseware Qingdao Edition Fourth Grade Mathematics Volume 1 industry PPT template
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