| Category | Format | Size |
|---|---|---|
| Jiangsu Education Edition Sixth Grade Mathematics Volume 1 | pptx | 6 MB |
"Four Mixed Operations of Fractions" PPT courseware
Description
"Four Mixed Operations of Fractions" PPT courseware
learning target
Knowledge goal:
1. Learn to solve two-step word problems of fraction multiplication, and understand and master the order of the four mixed operations of fractions.
2. Understand that the laws of multiplication of integers are also applicable to multiplication of fractions, and be able to apply these laws to perform some simple operations.
Ability goal: Cultivate students' reasoning ability and thinking flexibility through activities such as observation, trial practice, communication and feedback.
Emotional goal: By showing our country’s world heritage, students can feel the beauty and prosperity of our motherland and love our motherland even more.
The order of operations for the mixed arithmetic operations on fractions is the same as that for the mixed arithmetic operations on integers.
1. Operations at the same level are performed from front to back;
2. Two-level operations, multiplication and division first, then addition and subtraction;
3. If there are both small brackets and square brackets, count what’s inside the small brackets first, then what’s inside the square brackets, and finally what’s outside the brackets.
First, calculate how much 1/4 of the area of the Temple of Heaven Park is.
272×1/4=72 (hectare)
Then calculate the area of the Forbidden City.
68+4=72(hectares)
Comprehensive formula:
272×1/4+4
=68+4
=72 (hectare)
Answer: The Forbidden City in Beijing covers an area of 72 hectares.
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"Four Mixed Operations of Fractions" PPT courseware 3:
"Four Mixed Operations of Fractions" PPT courseware 3 Teaching objectives 1. Master the order of operations of the four mixed operations of fractions, and be able to correctly calculate the four mixed operations of fractions. 2. Improve students' knowledge transfer, analogy, logical reasoning and calculation abilities. 3． ..
"Slightly Complex Fraction Multiplication Problems" Four Mixed Operations of Fractions PPT courseware:
"Slightly Complex Fraction Multiplication Problems" Four Mixed Operations of Fractions PPT Courseware Learning Objectives: 1. Learn to solve slightly complex problems of finding fractions of a number. 2. Understand and master ideas and methods for solving problems. Fill in 1. Number A is 1/5 of number B,...
"More Complex Multiplication of Fractions" Four Mixed Operations of Fractions PPT courseware:
"More Complex Multiplication of Fractions" PPT courseware Basic training: (1) 4/7 of this batch of goods has been shipped. (2) Actual electricity consumption was 1/5 less than planned. (3) Production in March was 1/7 less than in April. 3/5 of a 400-meter long road has been built. How many meters have been built?...
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Update Time: 2024-07-29
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