"Recycling Waste Batteries" Addition and Subtraction PPT Courseware 3

Description

"Recycling Waste Batteries" Addition and Subtraction PPT Courseware 3

learning target

Learn to use vertical expressions to calculate addition and subtraction equations;

Pay attention to the alignment of the digits when calculating in vertical format;

Recycling old batteries is beneficial to the environment and cultivates environmental awareness.

Waste batteries contain metals and waste liquids. These substances will have a direct impact on soil, water, and human health. A button-sized battery can pollute 600 cubic meters of water, which is equivalent to a person's lifetime drinking water.

1. How much does it cost to buy a set of tables and chairs?

2. How much does it cost to buy a bed and a bookcase?

3.What two other pieces of furniture can you buy with 1,000 yuan?

What should you pay attention to when calculating addition in vertical form?

1. The same digits must be aligned.

2. Whichever one adds up to ten, add one to the previous one.

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For more information about the "Add and Subtract Recycling of Waste Batteries" PPT courseware, please click the Add and Subtract ppt Recycling of Waste Batteries ppt tab.

"Recycling Waste Batteries" Addition and Subtraction PPT Courseware 2:

"Recycling Waste Batteries" Addition and Subtraction PPT Courseware 2 One winter, sixteen or seven strange patients appeared in the suburbs of Heike City, Japan. Their hands were trembling, their feet were stiff, and they cried sometimes and laughed sometimes. Later, two of them became seriously ill and died. After autopsy, the cause was...

"Recycling Waste Batteries" Addition and Subtraction PPT Courseware:

"Recycling Waste Batteries" Addition and Subtraction PPT Courseware Teaching Objectives This lesson requires students to focus on learning how to calculate multi-digit addition. Especially when doing vertical calculations, be sure to pay attention to the carry problem. When you first start to do the questions When doing this, I hope that students will be careful and conscientious in order to...

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Update Time: 2024-09-08

This template belongs to Mathematics courseware Second grade mathematics of Beijing Normal University industry PPT template

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