Comparing - examples - page 3
- Fe vs. H2O
The volume of what the body of the same weight is greater - iron or water?
- Fill by colour
Write numbers from 0 to 38 on the paper. If the two numbers differ by 2, color them same colour. How many pairs do you colour?
- Radians compare
What is greater angle? -0.7 radians or -0.7π radians?
Which of those angles are obtuse?
Is -10i a positive number?
- Rotary bodies
The rotating cone and the rotary cylinder have the same volume 180 cm3 and the same height v = 15 cm. Which of these two bodies has a larger surface area?
- Package Deal - what to choose
The parents decided to purchase a mobile phone to their son. They choose from menu: ? Which offer is best?
- Circumscribed circle to square
Find the length of a circle circumscribing a square of side 10 cm. Compare it to the perimeter of this square.
- Paper collecting
At the paper collecting contest gathered Franta 2/9 ton, Karel 1/4 ton and Patrick 19/36 tons of paper. Who have gathered the most and the least (x, y - write down the weights in tonnes).
The school stands 110 m from the church, which is 100 m beyond the town hall. Which building are closer to the church and how many times?
Peter's badminton class starts a quarter past two PM. He came at 13:16 . Does Peter arrive on time?
Television is the fifth most expensive and tenth cheapest TV. How many different TVs are in stores?
What is bigger? ?
Cheetah elapse 150 m for 5 seconds, the eagle reaches speeds up to 230 km/h, dolphin swims 1.2 km per minute. Which animal is the fastest and slowest? The results write as meters per second (m/s).
- Sheet of paper
Is the sheet of paper measuring 18 and 25 cm enough for taping 9 cm cubes with an edge? (1 = yes, 0 = no)
- The door
The door to the apartment has a height 2 m and a width 80 cm. Calculate how many cm of sealing tape is needed to seal them. Will there be enough packaging in which there are 5 m tape (write 0 = no, 1 = yes)?
- Ten fractions
Write ten fractions between 1/3 and 2/3
The three friends divided the win by the invested money. Karlos got three eighths John 320 permille and the rest got Martin. Who got the most and which the least?
The garden grows 312 roses and 389 tulips. Which flowers are more? How many?
- Hypotenuse - RT
A triangle has a hypotenuse of 55 and an altitude to the hypotenuse of 33. What is the area of the triangle?