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Qingdao Edition Fourth Grade Mathematics Volume 1	pptx	6 MB

"Little Volunteers" PPT courseware

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Upload Time: 2024-11-22

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"Little Volunteers" PPT courseware

1. Situation introduction

Stationery box 29 yuan/piece

How much does it cost to buy 10 pencil boxes?

Notebook 5 yuan/book

Pen 8 yuan/piece

How much does it cost to buy 40 notebooks and 30 pens?

What mathematical information do you know from the picture?

What questions can you ask based on this information?

2. Cooperation and exploration

Can you give an example of the relationship between unit price, quantity and total price?

If apples cost 5 yuan per kilogram, buying 4 kilograms will cost 20 yuan.

5 yuan/kg × 4 kg = 20 yuan

Unit price × quantity = total price

If you buy 4 kilograms of apples for 20 yuan, then each kilogram of apples costs 5 yuan.

20 yuan ÷ 4 kg = 5 yuan/kg

Total price ÷ quantity = unit price

3. Independent practice

1. (1) Tell me, what are the unit prices of the items in the picture above?

(2) How much does it cost to buy 3 bottles of each drink?

Yogurt: 2×3＝ 6 (yuan) Peach juice: 3×3＝ 9 (yuan)

Orange juice: 4×3＝12(yuan) Pear juice: 5×3＝15(yuan)

2. First talk about the relationship between unit price, quantity and total price, and then fill in the table below.

Total price ÷ unit price = quantity

Total price ÷ quantity = unit price

Unit price × quantity = total price

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"Little Volunteers" PPT courseware 2:

"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 calculate them first..

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Update Time: 2024-11-22

This template belongs to Mathematics courseware Qingdao Edition Fourth Grade Mathematics Volume 1 industry PPT template

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"Little Volunteers" PPT courseware