math teacher
MBOU SECONDARY SCHOOL NO. 9
noyabrsk, Yamal-Nenets Autonomous Okrug
Map

Beginning our journey through the land of mathematics Before we travel through this country, we will get to the INTEREST station and buy a ticket to the HISTORICAL station.
INTEREST Station
1 task: The ticket price is 5% of all the money we have. How much does a ticket cost if we have 500 rubles?
In - 500r. - 100% 500 : 100 5 = 25 r.
B -?r - 5%
How much money do you have to pay for the entire class to participate in the trip?
The HISTORIC Station
KN "Behind the Pages of the Mathematics Textbook" (pp. 12, 20, 24)
So we went to the HISTORIC station, learned about the history of numbers, numbers and decimal number systems. And now we're going to the KNOW-IT-AND-KNOW-NOT station.
KNOW AND KNOW STATION
Residents of the flower town asked Znayka and Dunno to calculate the meaning of the expression
7.4 * 14.3 - p * 14.3 if p=6.4
Dunno started to decide this way:
1) 2) 3)? is?
And Znayka looked carefully and immediately wrote down the answer. How much did he do and how did he count?
Next Dunno wanted to surprise everyone with his results, but he made mistakes. Help Dunno fix them.
1) 137 2) 7.34 3) 705.6 4) 7056
*204 * 60 * 8 * 8
+548 44.04 604.8 57348
274
3288
Let's move on.
LOGIC STATION
1 - Instead of dots, put the number you want:

2, There are 9 identical plates, but one of them is lighter Find this plate with two weighings on two-cup ones without weights.
We traveled and arrived back at the station.
WONDERS FIELD Station

|
a |
in |
d |
e |
and |
k |
m |
o |
p |
r |
t |
u |
i |
|
4.29 |
3.16 |
4.81 |
9.38 |
13.94 |
10.5 |
1.02 |
16 |
2.21 |
26.05 |
6.06 |
21.48 |
2.9 |
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