"Addition without Carry" PPT on addition and subtraction within 100

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"Addition without Carry" PPT on addition and subtraction within 100

Part One: Objectives of this Section

01 Under specific circumstances, further understand the meaning of addition and understand the principle that only numbers with the same digits can be added.

02 Explore and master the calculation method of two-digit addition and two-digit addition, initially master the rules of pen arithmetic addition, and be able to calculate proficiently.

03 Understand the connection between mathematics and life, and cultivate the habit of seriousness, carefulness, and neat writing.

Add PPT without carrying, the second part: initial perception

What math questions can you ask?

How to list the formula?

35＋2＝

37＋2＝

35＋32＝

35＋37＝

How many students are there in Class 2 (1) and the leading teacher of this class?

Add PPT without carrying, the third part: in-depth exploration

How to calculate orally?

How many students are there in Class 2 (1) and the leading teacher of this class?

35+2=37 (people)

Then calculate 30+7=37.

It can also be written in vertical form and calculated with pen.

35+2=37 (people)

No carry plus PPT, part 4: Consolidation practice

1. Observe carefully and calculate carefully!

2. Calculate how much money each costs.

3. You got it right, don’t forget to write your answer horizontally!

Be sure to pay attention to the alignment of the same digits!

Everyone, come and check it out.

5＋34＝ 36＋21＝

Add PPT without carry, part five: summary of this section

01 When calculating addition in vertical form, the same digits must be aligned.

02 When calculating addition in vertical form, add from the ones digit.

Add PPT without carrying, part 6: assignments

Complete 2.1.1 No Carry plus homework online.

Keywords: Free download of PPT courseware for second grade mathematics from the People's Education Press, PPT download of addition without carry, PPT download of addition and subtraction within 100, .PPT format;

For more information about the PPT courseware "Addition and subtraction within 100 without carry", please click the Addition and subtraction within 100 PPT without carry PPT tag.

"Addition without Carry" PPT download of addition and subtraction within 100:

"Addition without Carry" PPT download of addition and subtraction within 100 Part 1: Exploring new knowledge What mathematical questions can you ask? How to list the formula? 35＋2＝ 37＋2＝ 35＋32＝ 35＋37＝ How many students are there in Class 2 (1) and the leading teacher of this class...

"Add without carry" PPT:

"Add without Carry" PPT Part One Content: Introduction of New Lessons How many students are there in the Youth Choir? Try doing the math yourself. 23+22= 45 (name) This is how I calculate it. 23+20=43 43+2=45 This is how I calculate it. 2+3=5 20+20=40 40+5=45 ... .....

"Addition without Carry" PPT courseware for addition within 20:

"Addition without Carry" PPT courseware for addition within 20. Teaching objectives: 1. In the process of hands-on operation and independent attempts, learn the calculation methods of adding a few to 10 and adding a few to a dozen. 2. Learn how to add a few to 10 and a few to tens, and be able to calculate correctly. 3. Actively participate in...

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Update Time: 2024-11-19

This template belongs to Mathematics courseware People's Education Press Second Grade Mathematics Volume 1 industry PPT template

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