174
Question 1. What is the area of the wall?
Answer ___________.
Question 2. What is the area of one tile?
Answer ___________.
Question 3. Approximately how many tiles are needed for this wall?
Answer ___________.
Question 4. How many unbroken tiles are
needed to make tile pattern
symmetrical?
Answer ___________.
Task 17. Design.
The length of the lozenge-shaped figure is 45cm. This figure should be designed
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 tile to fill in this
figure?
Answer ___________.
Task 19. Movement.
Cyclist was riding 4 hours at a speed of 18 km / h.
Question 1: How much speed must he increase to ride the same way in the 0.5
hour faster?
Answer:
_____________________________________________________________
Question 2: How does the time change if he will pass
this distance at a speed of
20 km / h?
Answer __________/
175
Task 20. Age.
Father’s and son’s age totally is 30, son’s and grandfather’s one together is 60
years, and his father’s and grandfather’s one together is 84 years.
Question. How old is the father, son and grandfather separately?
Answer: _________________________________________________________.
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