# Absolute value - 7th grade (12y) - examples

1. Cylinders
Area of the side of two cylinders is same rectangle of 50 cm × 11 cm. Which cylinder has a larger volume and by how much?
2. Speed of Slovakian trains
Rudolf decided to take the train from the station 'Trnava' to 'Zemianske Kostoľany'. In the train timetables found train R 725 Remata : km0Bratislava hl.st.12:574Bratislava-Vinohrady13:0113:0219Pezinok13:1213:1346Trnava13:3013:3263Leopoldov13:4514:0168H
The rectangular crossroads comes passenger car and an ambulance, the ambulance left. Passenger car is at 43 km/h and ambulance 52 km/h. Calculate such a relative speed of the ambulance moves to the car.
4. Segments
Which of the pairs of numbers on the number line encloses the longest segment: ?
5. Product
The sum and the product of three integers is 6. Write largest of them.
6. Triangle
For how many integer values of x can 16, 15 and x be the lengths of the sides of triangle?
7. Right triangle - leg
Calculate to the nearest tenth cm length of leg in right-angled triangle with hypotenuse length 9 cm and 7 cm long leg.
8. Clock Tower
What angle is betwenn hands on Clock Tower when show 17 hours and 35 minutes?
9. Elevator
The panel house has ten over-ground floors and four underground. The lift goes from the ground floor to 2nd floors, then goes down to 3rd underground floors, then 9 floors up and finally 4 floors down. To what story elevator come? How many floors did it cr
10. Closest natural number
Find the closest natural number to 4.456 to 44.56 and to 445.6.
11. Rectangle 39
Find the perimeter and area of the rectangular with vertices (-1, 4), (0,4), (0, -1), and (-4, 4)
12. Distance of numbers
Which number has the same distance from the numbers -5.65 and 7.25 on the numerical axis?
13. Difference in temperatures
The temperature in the number line show minus 15 degree celsius and 8 degree celsius. What is the different between the temperatures?

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