"Green Ecological Park" PPT courseware

"Green Ecological Park" PPT courseware

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"Green Ecological Park" PPT courseware

learning target

1. Master the correct analysis of quantitative relationships in continuous multiplication and continuous division problems.

2. Master the method of solving consecutive multiplication and division problems using comprehensive calculations.

1. Observe the situation map and ask questions.

proposed question:

1. How many pots of flowers of each color are there?

2. How many pots of flowers of three colors are placed in total?

3. How many pots of flowers are placed on each flower stand?

4. On average, how many potted flowers are placed on each floor of each flower stand?

2. Collaborate to explore and list calculation formulas.

Algorithm 1:

Question 1

8×5=40 (pot)

Question 2

40 × 3 = 120 (pot)

Algorithm 2:

Question 1

5×8 = 40 (pot)

Answer: There are 40 pots of flowers of each color:

Question 2

5×8×3=120 (pot)

Answer: There are a total of 120 pots of flowers of three colors.

3. Independent practice.

1. Tips: How many pieces are needed to make a painting like this?

6×5×8

The number of shells required for a painting

2. Tip: What are 6 pieces per box? 8 pieces per box?

9×8×6

How many boxes are there in 9 boxes?

3. Solution 1: First calculate how many badmintons there are in total, and then calculate how much money is needed in total.

6×5×4

=30×4

=120 (yuan)

Solution 2: First calculate how much it costs to buy a box of badminton balls, and then calculate how much it costs in total.

6×4×5

=24×5

=120 (yuan)

Keywords: Green Ecological Park teaching courseware, Qingdao version third grade mathematics volume PPT courseware download, third grade mathematics slide courseware download, Green Ecological Park PPT courseware download, .PPT format;

For more information about the "Green Ecological Park" PPT courseware, please click the Green Ecological Park ppt tab.

"Green Ecological Park" PPT courseware 3:

"Green Ecological Park" PPT courseware 3 1. Situation introduction Xiaoqiang spent 18 yuan to buy 3 kilograms of pumpkins. Xiaoli wants to buy 9 kilograms of pumpkin. How much does it cost to buy 9 kilograms of pumpkin? What mathematical information do you know from the picture? What questions can you ask based on this information? ..

"Green Ecological Park" PPT courseware 2:

"Green Ecological Park" PPT courseware 2 1. Create situations and ask questions. There are equally many flowers of three colors. There are 5 rows of 8 pots in each row. How many pots of flowers of three colors are placed in total? 2. You talk and I talk, and explore the algorithm. There are the same number of flowers in 3 colors, 5 of each are placed...

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