Сборник задач по подготовке учащихся к международным исследованиям timss и pisa
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- Бұл бет үшін навигация:
- Task 16. Mountains.
- Task 17. The design of the walls.
- Task 20. Age.
| Task 15. Accommodation repair
Required to repair an office. Aydos does this job for three days. Yerbol make the same job for four days and Meyram for 5 days. Give your answer for the following questions. Question 1. How much time they perform this work together? (Choose the correct answer). Answer ___________. Question 2: How long does all the work, if the first third part of it would fulfill Aidos, then the half of remaining part - Yerbol, and the rest - Meyram? Answer ___________. Question 3: Who does the work faster: Aidos, working alone, or Erbol Meyram and working together? Answer ___________. Task 16. Mountains. Table 6 gives the information on the highest mountains of each mountains. Using these data get the height of the mountains, and fill in the table Table 16. mountains mountains Data high Everest Asia 8852 m Aconcagua South America The height of Mount Aconcagua is 79% of the height of Mount Everest McKinley North America Mount Aconcagua at 798 meters higher than the Mc Kingsley mountain Kilimanjaro Africa The height of Mount Kilimanjaro at 199 cm less than the height of Mount Mc Kingsley Elbrus Europe 6642 m Sentinel Range in the Massif Vinson Antarctica Heights of the Sentinel Range in the 13.98 times larger than the difference between the heights of the mountains Aconcagua and Elbrus Kosciusko Australia The height of Mount Kosciuszko at 2666 m less than the height the Sentinel Range Task 17. The design of the walls. It is necessary to glue the tiles on the wall, tiles consists of tablets. Tablets size is shown in Figure 2, and the dimensions of the walls 4m and 2.5m. 173 Question 1. What is the area of the wall? Answer ___________. Question 2. What is the area occupied by one tablet? Answer ___________. Question 3. Approximately how many tablets need for this wall? Answer ___________. Question 4. How many unbroken tablets needed make tile pattern symmetrical? Answer ___________. Task 17. Design. The length of the lozenge-shaped figure is 45cm. This figure necessary glue up with a rhombus drawing. (Figure 3). Question 1. What is the area of this figure? Answer ___________. Question 2. How many centimeters should be the length of the tablets to completely fill in this figure? Answer ___________. Task 19. Movement. Cyclist riding 4 hours at speed of 18 km / h. Question 1: How he must increase the speed to ride past the same way on the 0.5 hour faster? Answer: _____________________________________________________________ Question 2: How the time would change if he will pass this distance at a speed of 20 km / h? Answer __________/ 174 Task 20. Age. Father and son together - '30, son and grandfather together - 60 years, and his father and grandfather together - 84 years. Question. How old is the father, son and grandfather separately? Answer: _________________________________________________________. жүктеу/скачать 3,45 Mb. Достарыңызбен бөлісу:
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