Презентация, доклад к уроку Математическая рыбалка на английском языке

Mathematical FishingThe Lake of Calculations The Sea of Problems The Ocean of Reasoning

Слайд 1
Mathematical Fishing

ОЧУ «Газпром школа»
Мигунова Н.П.
для 8-9х классов

Mathematical FishingОЧУ «Газпром школа»Мигунова Н.П.для 8-9х классов

Слайд 2Mathematical Fishing












The Lake of Calculations
The Sea of Problems
The Ocean

of Reasoning
Mathematical FishingThe Lake of Calculations The Sea of Problems The Ocean of Reasoning

Слайд 3 The Lake of Calculations

190
(-17,8-1,2):(-0,1)
Calculate:

The Lake of Calculations 190(-17,8-1,2):(-0,1)Calculate:

Слайд 4The Lake of Calculations
-0,32



-0,62+(-0,2)2
Calculate:

The Lake of Calculations-0,32-0,62+(-0,2)2Calculate:

Слайд 5The Lake of Calculations
-1



Calculate:

The Lake of Calculations-1Calculate:

Слайд 6 The Lake of Calculations

1

Calculate:

The Lake of Calculations 1Calculate:

Слайд 7The Lake of Calculations
(-52-(-7)2):0,2
-370

Calculate:

The Lake of Calculations(-52-(-7)2):0,2-370Calculate:

Слайд 8 The Sea of Problems
-15

Calculate:

The Sea of Problems -15Calculate:

Слайд 9 The Sea of Problems
wrong


Right or wrong:

The Sea of Problems wrongRight or wrong:

Слайд 10 The Sea of Problems
wrong


Right or wrong:

The Sea of Problems wrongRight or wrong:

Слайд 11The Sea of Problems

wrong


Right or wrong:

The Sea of ProblemswrongRight or wrong:

Слайд 12The Sea of Problems

right



Right or wrong:

The Sea of ProblemsrightRight or wrong:

Слайд 13 The Sea of Problems

wrong
Right or wrong:

The Sea of Problems wrongRight or wrong:

Слайд 14 The Sea of Problems
right

Right or wrong:

The Sea of Problems rightRight or wrong:

Слайд 15
40
To solve the task:
A bottle of shampoo costs 160 rubles. During

the sale the discount for it is 25 %. How much is the discount?

The Ocean of Reasoning

40To solve the task:A bottle of shampoo costs 160 rubles. During the sale the discount for it

Слайд 16
544
To solve the task:
An electric kettle costs 3400 rubles. The price

of it was raised by 16%.
What is the new price of the kettle?

The Ocean of Reasoning

544To solve the task:An electric kettle costs 3400 rubles. The price of it was raised by 16%.

Слайд 17
6,8

To solve the task:
The Ocean of Reasoning

The month phone bill

is 340 rubles. Next year it will be increased by 2%. How much will the phone bill be increased by?
6,8 To solve the task:The Ocean of ReasoningThe month phone bill is 340 rubles. Next year it

Слайд 18
4
The Ocean of Reasoning

The pen costs 40 rubles. The price was

raised by 10%. How many rubles was the price of the pen raised by?

To solve the task:

4The Ocean of ReasoningThe pen costs 40 rubles. The price was raised by 10%. How many rubles

Слайд 19
24
The Ocean of Reasoning

The shop buys flowerpots at wholesale price 120

rub each and sells with a margin of 20%. How much is the margin?

To solve the task:

24The Ocean of ReasoningThe shop buys flowerpots at wholesale price 120 rub each and sells with a

Слайд 20
360
The Ocean of Reasoning

The train ticket for an adult costs 720

rubles. The train ticket for a pupil is 50% from the price of the adult ticket. How much is the ticket for a student?

To solve the task:

360The Ocean of ReasoningThe train ticket for an adult costs 720 rubles. The train ticket for a

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