Exponentiation - practice for 12 year olds - last page
Number of problems found: 34
- Evaluation
What is the result of the example (811/4): 4? - Expression: 3761
Specify the value of the expression: 1-4:2-3 - Expression: 3754
Express the value of y in the expression: y / 9^(- 1) = 72 - Positive 3298
Which positive number equals twice its square?
- Kilometer 2864
One cubic decimeter of seawater contains 0.000 000 01 grams of gold. How many kilograms of gold is in one cubic kilometer of seawater? - Expressions: 2381
Determine the values of the following expressions: a) 3² - (- 4) b) 4-321 c) -32-7 - Successively 2380
The car drove successively 2.5x105 m, 1.4x107 mm, 8.6x107 dm, and finally 3x106 cm. What is the total mileage? - Compare:
What is bigger? ... - Roots
Calculate the square root of these numbers:
- Scale
The student drew the cylinder in scale 2:1. How many times is the volume of the cylinder smaller in reality? - Rhombus
Find the length of the other diagonal and the area of the rhombus. The perimeter of a rhombus is 40 cm, and one of the diagonals is of length 10 cm. - Rectangular cuboid
The rectangular cuboid has a surface area 5447 cm², and its dimensions are in the ratio 2:4:1. Find the volume of this rectangular cuboid. - Motion problem
From Levíc to Košíc, go car at speed 81 km/h. From Košíc to Levíc, go another car at speed 69 km/h. How many minutes before the meeting will be cars 27 km away? - Reconstruction of the corridor
Calculate how many minutes will be reduced to travel a 167 km long railway corridor, where the maximum speed increases from 120 km/h to 160 km/h. Calculate how many minutes will shorten travel time if we consider that the train must stop at 6 stations. Ea
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