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Category | Format | Size |
---|---|---|
People's Education Press Second Grade Mathematics Volume 2 | pptx | 6 MB |
Description
"Bipolar Mixed Operation without Parentheses" PPT courseware download, 14 pages in total.
learning target
Master the order of operations of multiplication, addition, multiplication and subtraction, division, addition, division and subtraction, and be able to perform calculations correctly. (emphasis)
Understand the arithmetic principle of calculating multiplication and division first, and then addition and subtraction in calculations of multiplication, addition, multiplication and subtraction, and division, addition, and division. (difficulty)
Explore new knowledge
Knowledge points: Operation order of two-level mixed operations without parentheses
How many people are there in Seesaw Paradise?
Think about it, what counts first and what counts next? How to calculate by column?
Method 1: Step-by-step calculation
Method 2: Comprehensive formula calculation
The order of operations for two-level mixed operations without parentheses: In a calculation without parentheses, if there are multiplications, divisions, and additions and subtractions, the multiplications and divisions must be calculated first, and then the additions and subtractions.
Small scale chopper
1. (Selected from textbook P50 T4) Think about what to calculate for each question first, and then calculate.
2. (Selected from textbook P50 T5) Fill in ○ with “>”, “<” or “=".
3. (Selected from textbook P51 T6) Fill in the blanks first, and then list the comprehensive calculations.
Class summary
Order of operations for two-level mixed operations without parentheses:
In a calculation without parentheses, if there is multiplication or division,
There are also additions and subtractions. Multiplication and division should be calculated first, and then addition and subtraction should be calculated.
Keywords: Free download of bipolar mixed operation PPT courseware without brackets, mixed operation PPT download, .PPT format;
For more information about the PPT courseware "Mixed Operations Bipolar Mixed Operations Without Parentheses", please click the Mixed Operations PPT Bipolar Mixed Operations Without Parentheses PPT tag.
File Info
Update Time: 2024-10-11
This template belongs to Mathematics courseware People's Education Press Second Grade Mathematics Volume 2 industry PPT template
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