| Category | Format | Size |
|---|---|---|
| People's Education Press Third Grade Mathematics Volume 1 | pptx | 6 MB |
"Subtracting two-digit numbers from two-digit numbers" Addition and subtraction within ten thousand PPT download
Description
"Subtracting two-digit numbers from two-digit numbers" Addition and subtraction within ten thousand PPT download
Part One: Review old knowledge
A little master of arithmetic.
23+12= 33+38=
26+19= 52+17=
Two-digit minus two-digit PPT, part two: situation introduction
The fare for ordinary express trains is 65 yuan, and the fare for high-speed trains is 54 yuan.
Taking the Expo special bus is the cheapest, with a total price of 48 yuan.
(1) How much more expensive is the fare for an ordinary express train than an express train?
(2) How much cheaper is the fare of the Expo special bus than that of ordinary express buses?
Two-digit minus two-digit PPT, part three: independent exploration
(1) How much more expensive is the fare for an ordinary express train than an express train?
The fare for ordinary express trains is 65 yuan, and the fare for high-speed trains is 54 yuan.
65-50=15
15-4=11
(2) How much cheaper is the fare of the Expo special bus than that of ordinary express buses?
Taking the Expo special bus is the cheapest, with a total price of 48 yuan.
The fare for ordinary express trains is 65 yuan, and the fare for high-speed trains is 54 yuan.
65-40=25
25-8=17
Subtracting two-digit numbers from two-digit numbers PPT, Part 4: Apply what you have learned
Quick verbal arithmetic.
35-26= 47-44= 42-21=
56-24= 39-36= 49-22=
Two-digit minus two-digit PPT, part five: summary and improvement
To subtract two-digit numbers from two-digit numbers, generally treat the subtrahend as an integer and a one-digit number, and then subtract the integer and one-digit number from the minuend in sequence.
Job design
Textbook page 11
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Keywords: Free download of PPT courseware for third-grade mathematics from the People's Education Press, subtraction of two-digit numbers by two-digit PPT, download of addition and subtraction within ten thousand PPT, .PPT format;
For more information about the PPT courseware "Addition and Subtraction of Two-Digits and Subtraction of Two-Digits Within Ten Thousands", please click the Addition and Subtraction of Two-Digits and Subtraction of Two-Digits Within Tens of Thousands PPT tag.
"Subtracting Two-Digit Numbers from Two-Digit Numbers" PPT teaching courseware for addition and subtraction within ten thousand:
"Two Digits Subtracting Two Digits" PPT teaching courseware for addition and subtraction within ten thousand Part One: Learning Objectives 1. Master the calculation method of subtracting two digits from two digits orally, and be able to perform oral calculations correctly. 2. Able to discover mathematical problems from life, organize and analyze data..
"Subtracting Two-Digit Numbers from Two-Digit Numbers" PPT courseware on addition and subtraction within 10,000:
"Subtracting Two-Digits from Two-Digits" PPT Courseware on Addition and Subtraction Within Ten Thousand Part One: Learning Objectives 1. Learn to subtract two-digits from two-digit numbers, and be able to correctly calculate orally subtract two-digit numbers from two-digit numbers within 100. 2. Cultivate awareness of applying learned knowledge to life and awareness of innovation..
"Subtracting two-digit numbers from two-digit numbers orally" Addition and subtraction of two- and three-digit numbers PPT courseware 2:
"Verbal Calculation of Two-Digit Subtraction of Two-Digit Numbers" Addition and Subtraction of Two- and Three-Digit Numbers PPT Courseware 2 1. Look at the formula and say that the number is 26+30= 66+3= 48+20= 28-9= 59-10=. .. ... ... Can you help them design a boat ride? (Two classes share one boat) Two (1) classes..
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Update Time: 2024-07-06
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