Maths practice for 10 year olds - page 12 of 63

Number of problems found: 1249

Originally 81483
There are several cubes in the box. Kamil doubled this number. Karol then took 7 cubes from the box, and 9 remained. How many cubes were originally in the box?
Perimeter 81458
Find out if a square with a perimeter of 12 CM has an area greater than 12 cm²
Travels 81320
The car travels from Prague to Brno at a speed of 80 km/h and still has 15 minutes to drive. How far is it from Brno?
Twenty-five 81187
Twenty-five prizes are drawn in a raffle with 500 tickets. How many tickets do we need to buy to ensure I win at least 3 prizes?
Bigger 81145
In 10 years, the teddy bear will be three times bigger than it is today. How old is the teddy bear now?
Difference 81141
Calculate the difference between the sum and product of the numbers -7 and -2.
Compare numbers
Compare the numbers: 0.327 and 0.0895 (which is bigger and which is smaller?)
Determine 81038
Determine the width of a rectangle with an area of 14.5 cm square and a length of 5 cm.
Minutes 80992
Three eggs are cooked in 15 minutes; how long will it take to cook 15 eggs at once?
Education 80771
Miška finished ninth fastest and fifth slowest in physical education class. How many girls ran in PE class?
Determine 80754
The perimeter of triangle MAK is 216 mm, side a = 81 mm, and side k = 62 mm. Determine the side length of the triangle OSA if the triangle MAK is congruent to the triangle OSA.
Dimensions 80753
We color a wooden block with dimensions a = 4 cm, b = 3 cm, c = 2 cm and then cut it into cubes of 1 cm³. How many cats will she have? a) just one wall painted b) just two walls stained c) just three walls painted d) no painted wall?
Assembled 80750
We assemble different bodies from five identical cubes. The volumes of all bodies are equal. Calculate the surfaces of the assembled bodies.
Calculate: 80736
Gaius Julius Caesar was born in 100 BC. He was murdered when he was 56 years old. Calculate: a) in what year was he murdered? b) How many years ago was he born? c) How many years ago did he die?
Construct 80719
Construct a rectangle ABCD if a = 8cm and the length of the diagonal AC is 13cm. Measure the length of the sides of the rectangle.
Distance 80716
What distance did the crane hook travel in 1 min at a constant speed of 15 cm/s?
Traveled 80715
A mass point traveled a distance of 600 m in 2 minutes in uniform motion. How fast was it moving?
Kilograms 80660
The troika sold 27 kg of smooth flour and three times less coarse flour. How many kilograms of flour did she sell together?
Children 80653
The children in the camp slept in a cottage with 17 2-bed and 25 3-bed rooms. Other children slept in 8 cabins. Each had 1 4-bed and 1 3-bed room. All rooms and beds were occupied. How many children were in the camp?
Unknown 80643
If we add 17 to twice the unknown number, we get 67. What is the unknown number?

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