Maths practice for 11-year-olds. - page 189 of 222
Number of problems found: 4421
- Cubic meters
How many liters of water are 123 cubic meters? - Stew
To prepare stew for ten loggers, we need 2.5 kg of potatoes, 0.8 kg of meat, 18 dag of flour, 30 dag onion, and one bread. What is the required amount of raw materials for 50 participants in camps where loggers eat 1.5 times more than a camp participant? - Tram lines
Trams of five lines are driven at intervals of 5,8,10,12, and 15 minutes. At 12 o'clock, come out of the station at the same time. How many hours will we all meet again? How many times has each tram passed for this stop? - Bus lines
Bus connections start from the bus stop on its regular circuit: No. 27 bus every 27 minutes and No.18 bus every half hour. If the bus stop meets at 10:15 a.m., what time do these two bus lines run? - Ambulance speed
At what speed must an ambulance travel to a traffic accident if medical assistance is provided within 20 minutes? The accident is 22 km from the ambulance station, and the witness was on the phone 5 minutes after the accident. - Least common multiple
Calculate the least common multiple of 120, 660, and 210. - Cakes
Grandmother baked cakes. Half of it was poppy, a quarter with plum jam, and 16 cheesecakes. How many cakes did she bake in total? - Sum and rounding
I know two numbers whose sum is 20. When each round and then added together, I get the 30. What are these numbers? - Grade average - insufficient
Classes are compared by achievement. In classes 3.A and 3.B the following grades were achieved in the subject of statistics. grade number of grades 3.A number of grades 3.B excellent 4 6 very good 10 11 good 12 9 satisfactory 5 4 insufficient 2 4 Which cl - Circle area
Calculate the circle area with a radius of 1.2 m. - Circle radius
What is the radius of a circle with a circumference of 28 cm? - Circle diameter
What is the diameter of a circle with an area of 35 cm²? - Circle length
Calculate the length of a circle with a diameter of 7 cm. - Tablecloth
The table top is 90 cm long and 50 cm wide. How many cm of lace edging is necessary for the tablecloth that hangs on each side by 10 cm? - Carpet tape
Mr. Svoboda has 25 m of carpet tape at home. He wants to hem the carpet measuring two times 2 m and three times 4 m. Does he have enough tape? - Text messages
If the amount for the last text messages in one month with the mobile operator MOBY exceeds 14 euros (it costs 100 cents), each additional text message costs 13 cents. a) From what time does the price of a text message become 13 cents? b) How much does it - Foot in bus
It was 102 people on the bus. Twenty-eight girls had two dogs. Eleven girls had one dog. Five dogs (even with their owners) seceded at the next stop. They got two boys together with three dogs. The bus drove one driver. How many feet were on the bus? - Expression equals 100
Write any numeric expression whose value is 100 and will contain at least four different mathematical operations. - Sound travel
Sound travels in the air at a speed of about 330 m/s. Make a table of the dependence between the time (after one second), and the sound's distance travels during this time. During a storm, you can easily find out how far you are from it. - Even / odd numbers
a / Using variable n, write two consecutive odd numbers. b / The sum of three consecutive odd numbers is 333. What are these numbers?
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