"Adding and subtracting two-digit numbers with two-digit numbers" PPT courseware for addition and subtraction within 100

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Jiangsu Education Edition First Grade Mathematics Volume 2	pptx	6 MB

"Adding and subtracting two-digit numbers with two-digit numbers" PPT courseware for addition and subtraction within 100

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Upload Time: 2024-09-09

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"Adding and subtracting two-digit numbers with two-digit numbers" PPT courseware for addition and subtraction within 100

What should you pay attention to when writing vertical style?

Align with same digits

What should I pay attention to when calculating?

Count from ones digit

give it a try

4 3 - 3 1 =

Children are so smart and can already do two-digit addition using the vertical form. Can you do subtraction using the vertical form?

Today in the Kingdom of Mathematics, the children have learned to use the vertical form to calculate two-digit addition and subtraction of two-digit numbers. We must pay attention to aligning the ones digit with the ones digit, and aligning the tens digit with the tens digit. see you later!

Exercise: Calculate in vertical form

65+24 44+30 62+33 5+42

39-12 95-50 58-28 78-6

Keywords: Two-digit addition and subtraction two-digit courseware PPT, addition and subtraction within 100 courseware PPT, Jiangsu Education Edition first-grade mathematics PPT courseware download, first-grade mathematics slide courseware download, two-digit addition and subtraction two-digit courseware Download PPT courseware on numbers, download PPT courseware on addition and subtraction within 100, in .PPT format

For more information about the PPT courseware "Addition and subtraction of two-digit numbers within 100, plus and subtraction of two-digit numbers", please click the Addition and subtraction of two-digit numbers within 100 PPT, plus and subtraction of two-digit numbers PPT tag.

"Oral Calculation of Adding and Subtracting Two-Digit Numbers" PPT on addition and subtraction within 10,000:

"Oral Calculation of Adding and Subtracting Two-Digit Numbers" PPT on Addition and Subtraction within Ten Thousand Part One: Learning Objectives 1. To enable students to master the calculation method of adding and subtracting two-digit figures orally and to perform oral calculations correctly. Cultivate students' oral arithmetic skills and problem-solving abilities. ..

"Adding and subtracting two-digit numbers with two-digit numbers" Addition and subtraction within 100 PPT courseware 2:

"Adding and subtracting two-digit numbers with two-digit numbers" Addition and subtraction within 100 PPT courseware 2 Teaching objectives 1. Let students use learning tools to explore the method of written arithmetic, and experience the exploration of adding and subtracting two-digit numbers with two-digit numbers (without carry, (without abdicating) the process of written calculation method, can be carried out correctly in vertical form..

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Update Time: 2024-09-09

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Addition and subtraction within 100 PPT Addition and subtraction of two-digit numbers PPT

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"Adding and subtracting two-digit numbers with two-digit numbers" PPT courseware for addition and subtraction within 100