Maths practice for 11-year-olds. - page 207 of 230
Number of problems found: 4584
- With bracket
Calculate (evaluate) a simple mathematical expression with negative numbers and a bracket: 13+15*5-2*(-6) - Daddy
Daddy is a 46-year-old, and his son is at the age of 16. When (which year) was/will daddy five times more years than his son? - Arm-leg
Calculate the length of the base of an isosceles triangle with a circumference of 224 cm if the arm length is 68 cm. - The shop
The shop has three hectoliters of water. How many liter bottles is it? - Troops
If the general sorts troops into the crowd by nine, left 6. How many soldiers have the regiment if we know they are less than 300? - Trams
Tram no. 3,7,10,11 rode together from the depot at 5 AM. Tram No. 3 returns after 2 hours, tram No. 7 an hour and a half, no. 10 in 45 minutes, and no. 11 in 30 minutes. For how many minutes and when do these trams meet again? - Soda
A pack of 12 sodas costs 5.04. What is the unit rate in dollars per soda?
- Aquarium 6
How high is the water level in the aquarium with a rectangular base of 40cm and 50cm if it is filled with 0,65hl of water? - Cash back
After a trip, 24 students left more than 650 but less than 690 CZK (Kc). How much does each student receive in return when the amount is divisible by the number of pupils? - Cinema
How many seats are in the stands if you know that the first row has 24 seats and the last 50 seats, and each subsequent row has two more seats than the previous row? How many seats are in the stands? - Pool 3
When it flows 15 liters/s, how long will the filled pool be in cuboid shape (8m 6m 1.5m)? - Friends
Five mates traveled, and the journey lasted 195 minutes. How long would travel only one of them? - Buildings
The school stands 110 m from the church, which is 100 m beyond the town hall. Which buildings are closer to the church, and how many times? - Three buses
Three public transport buses depart together from the bus station in the morning. The first bus returns to the station after 18 minutes, the second after 12 minutes, and the third after 24 minutes. How long will again together at the station? Please expre - Matches
George poured out-of-the-box matches and composed their triangles, and no match was left. Then he tried squares, hexagons, and octagons, and no match was left. How many matches must be at least in the box?
- Ratio - rectangle
The rectangle has dimensions of 6 cm and 9 cm. When its dimensions increase in the ratio of 5:3, how many times does the area and perimeter increase? - Czech crowns
Small Petra saves money. Grandfather gives her ten crowns. Petra asked his older sister to let her calculate how much he had saved. Sister told her that he had less than 30 crowns. If the sum is divided by three, leave one crown. Suppose the sum is divide - Street
Straight streets is long x = 475 meters. At the beginning and the end of the street are poles. The poles are spaced 25 m. How many poles are on the street? - Basements
In the first cellar, there are more flies than spiders. In the second, the opposite. In each cellar, the flies and spiders had a combined 100 legs. Determine how many flies and spiders could have been in the first and how many could have been in the secon - Scale of the map
Determine the map's scale, which is the actual distance of 120 km l represented by a segment 6 cm long.
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