Maths practice for 11-year-olds. - page 160 of 197
Number of problems found: 3921
- Triangle 3552
Draw a circle k (S, r = 3cm). Build a triangle ABC so that its vertices lie on the circle k and the length of the sides is (AB) = 2.5 cm (AC) = 4 cm
- Czech crowns
Oldrich has one crown. Peter has five crowns coin, a two crown coin, and a one-crown coin. Radek has a twenty-crown banknote, ten banknotes, and a five-crown coin. The boys got one fifty-one crown and one crown coin. How can they share the money fairly wh
- Everything 3536
The cabinet for storing garden tools is shaped like a cube with an edge length of 2 m. How many m² of paint will we need to paint this cabinet if we paint everything except the bottom base? How much will it cost to paint a cabinet if one can of paint for
- Dimensions 3531
The room has the shape of a rectangle measuring 6m and 5m, the children's room has dimensions of 5m and 4m, and the bedroom has the shape of a square measuring 4m. How many m² of floating floors do they need in all rooms?
- The sidewalk
The sidewalk is 50 m long. On a scale of 1:200, what will the length of the plot plan be?
- Equation
16 + 2x-7 = 5x + 10-4x
- Summerjob
Milan saved a quarter of the money from the summer job, bought a winter jacket for half, bought gifts for his parents and siblings for a sixth, and still had CZK 400 left. How much did Milan earn?
- Settlements 3517
On the map of Kosice with a scale of 1:7,000 is the distance between the housing estate NadJezera and the housing estate Tahanovce 9 cm. What is the actual air distance of these settlements?
- Rectangular 3513
Dad wants to draw a rectangular garden on the plan for this house, which measures 23m and 20m. What will be the sides of this rectangle on the plan in scale M 1:1000?
- Interested 3512
One-third of the 8A class student wants to go to high school after finishing primary school, and half of the students are interested in the field of study. The remaining four have not yet been decided. How many students are there in 8A?
- Represents 3509
What is the map's scale if the 2.5 cm long line represents 500 km?
- Calculate 3502
The gardener planted 3/7 of the prepared tulips on the first and 1/7 on the second. What part of the prepared tulips did he already plant? What part does he have left? Can we calculate how many tulips there are? Which data is missing?
- Exceeding 3497
The maximum allowed speed in the village is 50km/h. The police measured that the car crossed the 800 m long section in 40 seconds. Was the driver fined for exceeding the speed limit?
- Intervals 3487
The four teams left the terminal together at 5:00 in the morning. Line A runs at 15-minute intervals, line B at 6-minute intervals, line C at 20-minute intervals, and line D at 8-minute intervals. What time did all four lines leave the terminal together a
- Elevator
The panel house has ten over-ground stories and four underground. The lift goes from the ground floor to the 2nd floor, then down to the 3rd underground floor, nine floors up, and finally four floors down. To what floor does the elevator arrive? How many
- Minutes 3475
A scribe with an average speed of 250 strokes per minute would write text in 16 minutes. How many minutes longer would she write the exact text at an average rate of 200 beats per minute?
- Two-meter 3473
A tree with an unknown height casts a shadow 18 m long at a time, while a two-meter pole casts a shadow of 2.4 m. How tall is the tree?
- Evaporating 3472
By evaporating 15 kg of seawater, we get 517.5 g of salt. How much seawater do we need to obtain 3.45 kg of salt?
- Calculated 3465
The master calculated that six looms would weave the ordered fabric in 15 hours. One condition appeared. How long before the ordered substance matches the remaining states?
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