problem solving
soizic.navarro
Created on October 25, 2022
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Problem solving through Europe
by country
by level
level 2
level 1
Iceland
Italy
France
EStonia
Level 1
Written by the CP/CE1 from France
City center of Pärnu
The window cleaner cleans the windows of the facade with the clock. It takes 3 minutes to wash the double windows and 2 minutes for the single windows. How long will it take him to wash the windows in this façade?
ESTONIA
Level 2
Written by the CM1 from France
Rise of sea water level
On 5. January 2005 sea water level rose up to +294cm and flooded very big the area of city. The lowest sea water level was -122cm on 14. January 1914. Find the difference (in cm) between the highest level and the lowest level ever reached.
ESTONIA
Level 1
Written by the Icelandic team
Pärnu Kuninga Tänava Põhikool
Two friends were walking along the fence around their school. The fence is 400 meters long and each step they take is half a meter. How many steps did each of them take?
ESTONIA
Level 2
Written by the Icelandic team
Chesstabels in Rannapark
One summerday, a group of chess-lovers decided to arrange a chess-turnament in Rannapark. There are 8 chesstables in the park but no chess-pieces. The chess-lovers had to get 16 white pieces and 16 black pieces for each table. How many chess-pieces did they have to get?
ESTONIA
Level 1
Written by the Italian team
Rannahoone (beach house)
The 4 participant countries have booked a holiday altogether and they planned to be in the same place. Also the host Country will share the same place.There are 9 rooms available.Each country will have 2 teachers (double room) and 3 students (triple room).One room is booked for the teachers and one for the students.How many rooms will be available after the group booked their staying?
ESTONIA
Level 2
Written by the Italian team
The beach promenade
For the Erasmus+ event, the students have to carry out a street art competition by painting on the pavement flags and monuments from the participant Countries. There are 4 participant Countries.Each team has 16 square metres to work on.How many square metres will be completed?
ESTONIA
Level 1
Written by the Estonian team
Town hall of ARLES
The last floor of the town hall has big windows. Four windows have 80 windowpanes. How many windowpanes do three windows have?
FRANCE
Level 2
Written by the Estonian team
The LUMA tower in ARLES
Luma Tower has 1,100 trees of 140 different species.How many trees would there be in total for 8 Luma towers?
FRANCE
Level 1
Written by the Icelandic team
Louvre pyramid of PARIS
Parents with a child were visiting the Louvre. They were standing by one corner of the Louvre pyramid, when the child got away and ran around the pyramid. Each side of the square-based pyramid is 35 meters long. How far did the child run?
FRANCE
Level 2
Written by the Icelandic team
The amphitheatre of ARLES
When the Amphitheater was new 2000 years ago, 21000 people could be seated there. Nowadays it has 12500 seats. Tickets for the Ampitheater cost 20 euro each. How much more income would Amphitheater get from 21000 guests than 12500 guests?
FRANCE
Level 1
Written by the Italian team
The Champs-Elysées in PARIS
The avenue is 70m wide and the road is 30m wide. What is the width of each of the sidewalks?
FRANCE
Level 2
Written by the Italian team
The castle of VERSAILLES
The castle has 333 sculptures. The curator of the Palace of Versailles decides to renovate a third of the sculptures. The renovation costs 1500€ per sculpture. What will be the cost of this renovation?
FRANCE
Level 1
Written by the Estonian team
Icelandic horses
If one Icelandic horse drinks 15 liters of water per day, how many liters of water do nine horses drink?
ICELAND
How many visitors visited it from 8.00 a.m. to 4:00 p.m?
Level 2
Written by the Estonian team
Goðafoss
Average number of tourists that visit the waterfall each day in July 2022.Time 6:00-8:00 30 people visits per hourTime 8:00-12:00 250 people visits per hour Time 12:00-16:00 140 people visits per hour Time 16:00-20:00 170 people visits per hour
ICELAND
Level 1
Written by the CP-CE1 from France
Swimming pool at Stórutjarnaskóli
During the swimming session, the teacher asks us to swin around the pool twice. Knowing that the pool is 16m long and 7m wide, how many meters should each student swim?
ICELAND
Level 2
Written by the CM1 from France
Sheep
A farmer has 180 sheep in his field.2/3 of these sheep had 2 lambs. 1/6 of the sheep had 1 lamb. 1/6 of the sheep had 3 lambs. How many lambs are there in the field?
ICELAND
Level 1
Written by the Italian team
Stórutjarnaskóli school buses
The school gave 5 school mini-buses for a day of visiting Goðafoss.10 teachers, 5 drivers, 35 students. How many people will be divided in each mini-bus?
ICELAND
Level 2
Written by the Italian team
Guesthouse
Each window corresponds to one room (16 windows). In each room there is a double bed.The Italian team booked a week in Akureyri for 6 teachers and 12 students.The French team booked for the same period and the same number.How many people will have to book in another hotel?
ICELAND
Level 1
Written by the Estonian team
The Sacred Park of Bomarzo (Latium)
Patrick and his seven friends went to forest to play hide-and-seek. They found a mysterious cave. Five of them dared to go inside. How many children stayed outside?
ITALY
Level 2
Written by the Estonian team
The Duomo Cathedral in Milan
Duomo has a width of 66 m and a length of 148 m.Find out how large the surface is covered by the Duomo in Milan.
ITALY
Level 1
Written by the CP/CE1 from FRANCE
Alcantara Gorges in Sicily
The Alcantara is a Sicilian river that measures 52km. If I travel half the length of the river, how many kilometers have I traveled?
ITALY
Level 2
Written by the CM1 from France
Royal Palace of Caserta
In the palace, there are 1,200 rooms on 5 levels.If there was the same number of rooms at each level, how many rooms would there be at each level ?
ITALY
Level 1
Written by the Icelandic team
Battistero di San Giovanni, in FLORENCE
The house is octagonal. Each side has 3 arches.How many arches are on the house?
ITALY
Level 2
Written by the Icelandic team
Arco Magno in S. Nicola Arcella, in Calabria
The Olympic medalist Michael Phelps swims 100 m freestyle in 48 seconds. The Arco Magno lagoon is 25 m wide. How many seconds would it take Michael to swim across the lagoon?
ITALY
Level 1
Written by the CP/CE1 from France
City center of Pärnu
The window cleaner cleans the windows of the facade with the clock. It takes 3 minutes to wash the double windows and 2 minutes for the single windows. How long will it take him to wash the windows in this façade?
ESTONIA
Level 1
Written by the Icelandic team
Pärnu Kuninga Tänava Põhikool
Two friends were walking along the fence around their school. The fence is 400 meters long and each step they take is half a meter. How many steps did each of them take?
ESTONIA
Level 1
Written by the Italian team
Rannahoone (beach house)
The 4 participant countries have booked a holiday altogether and they planned to be in the same place. Also the host Country will share the same place.There are 9 rooms available.Each country will have 2 teachers (double room) and 3 students (triple room).One room is booked for the teachers and one for the students.How many rooms will be available after the group booked their staying?
ESTONIA
Level 1
Written by the Estonian team
Town hall of ARLES
The last floor of the town hall has big windows. Four windows have 80 windowpanes. How many windowpanes do three windows have?
FRANCE
Level 1
Written by the Icelandic team
Louvre pyramid of PARIS
Parents with a child were visiting the Louvre. They were standing by one corner of the Louvre pyramid, when the child got away and ran around the pyramid. Each side of the square-based pyramid is 35 meters long. How far did the child run?
FRANCE
Level 1
Written by the Italian team
The Champs-Elysées in PARIS
The avenue is 70m wide and the road is 30m wide. What is the width of each of the sidewalks?
FRANCE
Level 1
Written by the Estonian team
Icelandic horses
If one Icelandic horse drinks 15 liters of water per day, how many liters of water do nine horses drink?
ICELAND
Level 1
Written by the CP-CE1 from France
Swimming pool at Stórutjarnaskóli
During the swimming session, the teacher asks us to swin around the pool twice. Knowing that the pool is 16m long and 7m wide, how many meters should each student swim?
ICELAND
Level 1
Written by the Italian team
Stórutjarnaskóli school buses
The school gave 5 school mini-buses for a day of visiting Goðafoss.10 teachers, 5 drivers, 35 students. How many people will be divided in each mini-bus?
ICELAND
Level 1
Written by the Estonian team
The Sacred Park of Bomarzo (Latium)
Patrick and his seven friends went to forest to play hide-and-seek. They found a mysterious cave. Five of them dared to go inside. How many children stayed outside?
ITALY
Level 1
Written by the CP/CE1 from FRANCE
Alcantara Gorges in Sicily
The Alcantara is a Sicilian river that measures 52km. If I travel half the length of the river, how many kilometers have I traveled?
ITALY
Level 1
Written by the Icelandic team
Battistero di San Giovanni, in FLORENCE
The house is octagonal. Each side has 3 arches.How many arches are on the house?
ITALY
Level 2
Written by the CM1 from France
Rise of sea water level
On 5. January 2005 sea water level rose up to +294cm and flooded very big the area of city. The lowest sea water level was -122cm on 14. January 1914. Find the difference (in cm) between the highest level and the lowest level ever reached.
ESTONIA
Level 2
Written by the Icelandic team
Chesstabels in Rannapark
One summerday, a group of chess-lovers decided to arrange a chess-turnament in Rannapark. There are 8 chesstables in the park but no chess-pieces. The chess-lovers had to get 16 white pieces and 16 black pieces for each table. How many chess-pieces did the have to get?
ESTONIA
Level 2
Written by the Italian team
The beach promenade
For the Erasmus+ event, the students have to carry out a street art competition by painting on the pavement flags and monuments from the participant Countries. There are 4 participant Countries.Each team has 16 square metres to work on.How many square metres will be completed?
ESTONIA
Level 2
Written by the Estonian team
The LUMA tower in ARLES
Luma Tower has 1,100 trees of 140 different species.How many trees and pot plants would there be in total for 8 Luma towers?
FRANCE
Level 2
Written by the Icelandic team
The amphitheatre of ARLES
When the Amphitheater was new 2000 years ago, 21000 people could be seated there. Nowadays it has 12500 seats. Tickets for the Ampitheater cost 20 euro each. How much more income would Amphitheater get from 21000 guests than 12500 guests?
FRANCE
Level 2
Written by the Italian team
The castle of VERSAILLES
The castle has 333 sculptures. The curator of the Palace of Versailles decides to renovate a third of the sculptures. The renovation costs 1500€ per sculpture. What will be the cost of this renovation?
FRANCE
How many visitors visited it from 8.00 a.m. to 4:00 p.m?
Level 2
Written by the Estonian team
Goðafoss
Average number of tourists that visit the waterfall each day in July 2022.Time 6:00-8:00 30 people visits per hourTime 8:00-12:00 250 people visits per hour Time 12:00-16:00 140 people visits per hour Time 16:00-20:00 170 people visits per hour
ICELAND
Level 2
Written by the CM1 from France
Sheep
A farmer has 180 sheep in his field.2/3 of these sheep had 2 lambs. 1/6 of the sheep had 1 lamb. 1/6 of the sheep had 3 lambs. How many lambs are there in the field?
ICELAND
Level 2
Written by the Italian team
Guesthouse
Each window corresponds to one room (16 windows). In each room there is a double bed.The Italian team booked a week in Akureyri for 6 teachers and 12 students.The French team booked for the same period and the same number.How many people will have to book in another hotel?
ICELAND
Level 2
Written by the Estonian team
The Duomo Cathedral in Milan
Duomo has a width of 66 m and a length of 148 m.Find out how large the surface is covered by the Duomo in Milan.
ITALY
Level 2
Written by the CM1 from France
Royal Palace of Caserta
In the palace, there are 1,200 rooms on 5 levels.If there was the same number of rooms at each level, how many rooms would there be at each level ?
ITALY
Level 2
Written by the Icelandic team
Arco Magno in S. Nicola Arcella, in Calabria
The Olympic medalist Michael Phelps swims 100 m freestyle in 48 seconds. The Arco Magno lagoon is 25 m wide. How many seconds would it take Michael to swim across the lagoon?