Maths practice for 11-year-olds. - page 157 of 190
Number of problems found: 3797
- Jasmine 3210
Half a bee swarm settled on a lilac, a third on roses, a seventh on jasmine, and one bee on clover. How many bees were in the hive? - Removing 3205
The baker filled the bakery flour hopper to 3/4 volume. After removing 875 kg of flour, he filled it with only 2/5 of the volume. How many tons of flour is in the full hopper? - Bigger 3204
How much is 1/3 bigger than 1/9? - Cubes 3201
How many small cubes do we get when we cut a cube with an edge of 5 dm into cubes with an edge of 1 dm?
- Distance 3197
What distance (in km) will the jet fly at 500 km/h in 12 minutes? - Movement 3196
At what time the body travels a distance of 105 km with a steady movement at a speed of 70 km/h? - Fence of the garden
The garden has dimensions of 5m and 400cm. How many meter meshes are needed for fencing the plot? - Cross-country 3192
The Horsky cross-country race track on Lysá hora measures 9.7 km. For every meter, Pavel donates 50 pennies to charity. How many pennies does Paul give when he runs the whole track? - Ratio
Write the ratio with other numbers so that the value is the same: 2:9
- Bar
Half of the bar is green, the third is yellow, and the remaining 40cm is red. How long is a bar? - Traveled 3176
During the trip, the scouts ran 1/2 of the route on the first day, 2/5 of the route on the second day, and on the third day, they were still 12 km away. How many km have they traveled in all three days? - Circumference 3170
Suppose we enlarge the side of the square by half the length, and the circumference of the square increases by 24 cm. Calculate the original side length. - Calculate 3169
Calculate the perimeter and area of a square with a side length of 1.3dm - Mineralka 3168
Petr bought 0.35 kg of ham, six rolls, and mineral water for a snack. How much did he pay for the purchase? (Mineralka costs 14.60 CZK, a roll 3.40 CZK, and a kilogram of ham 129 CZK). They rounded up the purchase to whole crowns.
- Calculate 3163
Calculate and convert: 0.2m² + 80dm² + 200cm² = how many m2 - Schoolyard 3158
The schoolyard has the shape of a rectangle. Inside, a football field is 50 m long and 20 m wide. There is a 2 m wide racetrack around the course. How many meters does the fence measure around the entire school yard? - Dimensions 3155
Míša bought an aquarium in the shape of a cuboid with bottom dimensions of 30 cm x 15 cm and a height of 20 cm. The seller advised him to fill the aquarium with water only to a height of 15 cm. How many swordfish can Micho buy for the aquarium if he knows - Surface 3154
The cube's edge, the volume of which is 58.3% of its surface, is a) 3.5cm, b) 4.5cm, c) 2.5cm d) 1.5cm. - Reappeared 3152
At 6:15, a ghost conjured a clock that showed the correct time. At that moment, the hands on the clock began to move at the correct speed but in the opposite direction. The ghost reappeared at 7:30 p.m. What time was the clock showing at this moment?
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