Line - practice for 12 year olds - page 6 of 7
Number of problems found: 126
- Different 3137
Mark 4 different points O, P, R. S. Mark of line OP, OR, OS. Measure the marked lines. - Bottom 3129
How many m² tiles do we need to line the walls and bottom of the pool in the shape of a block 25 m long, 10 m wide, and 180 cm deep? - On the number line
What number is exactly in the middle between 9.8 and -2.4 on the number line? - Backpacking 2579
Aleš, Karel, and Simon went on a trip at 6:45. They arrived at the finish line at 9:15. They carried one backpack with them and took turns after 20 minutes. Karel carried the first section, and at 8.30 by Simon. a) Who carried the backpack in the second s
- Hexagon - MO
The picture shows the ABCD square, the EFGD square, and the HIJD rectangle. Points J and G lie on the side CD and is true |DJ| - Draw a trapezoid
Draw a trapezoid if given a = 7 cm, b = 4 cm, c = 3.5 cm, diagonal AC = 5cm. Solve as a construction task. - Supermarket cashiers
When only two checkouts are open in a supermarket, people wait in line for an average of 12 minutes. How much will the average waiting time in line be reduced if they open three more ticket offices? - Scale 3
Miriam's room is 3.2 meters wide. It is drawn by a line segment length of 6.4 cm on the floor plan. On what scale is the plan of the room? - Pizza master
Master says that he can split pizza into 16 parts by five equals straight cuts. Is it possible?
- Medians in triangle
The median of the isosceles triangle has a length of 3 cm. Determine the size of its sides if its perimeter is 16 cm. - Plan scale
At what scale is the drawn plan of the building, where one side is 45 meters long, on the plan expressed by a straight line 12 mm long? - Racing track
On the racing track circling three cars. The first pass one circuit for 8 seconds, the second for 20 seconds, and a third for 8 seconds. a) Calculate the number of seconds since starting to catch all three cars together for the first time again across the - Map 2
At what scale is a map made if the distance 8.2 km corresponds to the map segment 5 cm long? - Segments
Line segments 69 cm and 3.7 dm long we divide into equal parts which lengths in centimeters is expressed integer. How many ways can we divide?
- Midpoint of segment
Point A has coordinates [4; -11], and the midpoint of segment AB is point [17; -7]. What are the coordinates of point B? - Slope RR
A line has a rise of 2 and a run of 11. What is the slope? - Slope
Calculate the slope of a line that intersects points (-6,-25) and (79,23). - Racer
The first racer runs at a speed 20 m/s and is 750 meters before the finish and ahead 79 meters before the second competitor. At what speed must run the second racer catch the first racer at the finish line? - Lie/do not lie
The rule f(x) = 8x+16 gives the function. Find whether point D[-1; 8] lies on this function. Solve graphically or numerically and give reasons for your answer.
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