Subtraction practice problems - page 74 of 81
Number of problems found: 1616
- Inner-circle 2902
The student should remove the inner circle with a radius of 3 cm from the circle with a radius of 7 cm. How much of the area of the large circle will be removed? Express result in percent. - Exchanged 2893
Vašek has 62 marks, Libor has 71 marks. The two boys exchanged grades together. Vašek wanted 2 very rare stamps from Libor. Libor exchanged them for him, but Vašek had to give him 2 others for each of these two stamps. How many marks did each of them have - Marbles 2889
Zdeněk, Martin, and Ondřej played marbles. Each of the boys had 33 marbles at the start of the game. How many marbles did each have at the end of the game if Martin won 16 and Zdeněk lost 12? How did Ondra do? - Beginning 2879
Juro, Fero, and Michael played bullets. In the beginning, everyone had the same number. In the first game, Juro won 4 bullets, and Fero 5 (that means Michael lost nine bullets). Michael won 7 balls in the second game, and Fero lost four. Michael lost thre - Triceratops 2868
Triceratops was admitted to the enclosure 10 minutes earlier than Stegosaurus but 6 minutes later than Diplodukos. Diplodukos was the first to leave the enclosure 7 minutes before Stegosaurus and 10 minutes before Triceratops. How many minutes were the Tr - Gingerbread house
Janka and Marienka calculated that there were 210 gingerbreads on the gingerbread house. Janko ate one-seventh of all gingerbreads, and Marienka ate a third less than Janko. How many gingerbreads remained in the gingerbread house? - AP - simple
Find the first ten members of the sequence if a11 = 132, d = 3. - Flowerbed 2801
A footpath 50 cm wide circles the circular flowerbed, with a diameter of 3.6 m. Calculate the footpath area. - Determine 2796
Find the first ten members of the sequence if a11 = 132, d = 7. - Freezer
The freezer has the shape of a cuboid with internal dimensions of 12 cm, 10 cm, and 30 cm. A layer of ice 23 mm thick was formed on the freezer's inner walls (and on the opening). How many liters of water will drain if we dispose of the freezer? - Measuring 2719
A butter cube with an edge 6.5 cm long is packed in a package measuring a = 28 cm, b = 15 cm. Calculate how many cm² the package is larger than the cube's surface. - Room dimensions
The room dimensions are 5m and 3.5m, and the height is 2.85m. Paint the room (even with the ceiling). There will be two layers. Doors and windows have a total of 2.5 m². One box of paint is enough for 6 m². How many boxes of paint are needed? How much do - Beginning 2711
Jano likes to play various games for beans. He recently played two games with Peter. In the first game, he won 32 beans; in the second game, he lost 75 beans. How was Jano after these two parties? Did he have more or less beans than at the beginning? And - Cinema 5
James wants to go to the movies every Tuesday for five years. After a year, he learned that the ticket price on Wednesday was only € 5.10 and € 5.60 the other day. Now that he knows about the discount, he decided to change his habits and go to the cinema - 6 regular polygon
A regular six-sided polygon has a side 5 cm long. Calculate its area. Compare how many more cm² (square centimeters) has a circle inscribed the 6-gon. - Landlord
The landlord had 49 ducats more than Jurošík. How many ducats Jurošík steal landlord if the Jurošík now five ducats more? - On the tree
Fifteen squids and sparrows sat on the tree. Sparrows were eight less than squids. How many sparrows were sitting at the tree? - Overall 2594
Viktor lost 45 beans at the party. In the second game, he won 36 beans. How did Viktor turn out overall? - Significant 2584
The metal chain has a length of 92m. With each repair, 4m will be lost. What is the most significant number of repairs they will do if the chain is not shorter than 56m? - Students activities
There are 28 students in the class. Twenty-one of them are involved in student club activities. What part of the class does not attend the student club?
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