Area + subtraction - practice problems - page 3 of 7
Number of problems found: 121
- Difference 66354
A circle is inscribed in a square with a side of 12 cm so that it touches all its sides. Calculate the difference between the area of the square and the circle. - Difference 64924
We get a block if we stack two cubes with an edge of 1dm. What is the difference between the surfaces of this block and the cube? - T2 temp
In a certain area, the morning temperature was -15°C. What is the new temperature if the temperature drops by 6°C at noontime? - Pipe thickness
The outer circumference of the tube is 32cm. Its length is 60cm, density 8.5g/cm³ and weight 9.495kg. Calculate the wall thickness of the pipe. - A land 2
A land owner owns two parcels of land measuring 4 2/5 hectares and 6 1/5 hectares. He sells 3/4 of the total land. How many hectares of land are left? - A rectangle 7
A rectangle has been split into 24 parts, set in 4 rows of 6 pieces each. The parts in the top 3 rows have been shaded blue. The parts in the left five columns have been shaded purple. The first five parts in the top 3 rows are striped to show they are sh - Kilos of meat
Marry bought 6 1/3 kg of meat. Anita used 2 1/4 kilograms, Maros 2 1/8 kg, and the rest, Adam. How many kilograms of meat did she use for Adam? - A rectangular 4
A rectangular garden has a length of 57 m and a width of 42 m. Calculate how much m² will decrease the garden area if the ornamental fence width of 60 cm is planted inside its perimeter. - Picture 2
Picture free is of length 14.2 cm and breadth 10.4 cm. The frame has a border of uniforms of 2.6 cm. Find the area of a photograph. - The dough 2
A baker made 8 pounds of dough. He used 5/9 of the dough to make sandwich rolls. How much of the dough is left over? - Issac
Issac eats 1/6 of the pizza. Maya then eats 3/5 of the remaining pizza. What fraction of the original pizza is left? - Marcos
Marcos wants to buy grass seed to cover his whole lawn, except for the pool. The pool is 7 1/2 m by 3 1/4 m. Find the area the grass seed needs to cover. The dimensions of the lawn are 50 m x 150 m. - Gavin
Gavin had 3 gallons of orange juice ready to serve at the breakfast party. His family drank 2 ⅛ gallons. How much is left? Show your work with a number line, area model, or grid. - Roma ate
Roma ate 2/5 of the cake while Somya ate 3/7 of the same cake. Who ate more, and by how much? - A butter
A butter cube with an edge 6.5 cm long is packed in a package with dimensions a = 28 cm and b = 15 cm. Calculate how many cm² the package is larger than the cube's surface. - Mr. Peter
Mr. Peter mowed 2/7 of his lawn. His son mowed 1/4 of it. Who mowed the most? How much of the lawn still needs to be mowed? - Metal washers
Metal washers with a diameter of 80 mm are cut from a strip of steel sheet with a width of 10 cm and a length of 2 m. When two adjacent circles meet, calculate the material waste percentage if no material is lost. - Calculate 39131
A circle describes a square with a side of 8 cm. Calculate the area of the rest of the circle if we cut out the square. - Tree planting
The trapezoidal garden has bases 44 m and 16 m long. Their distance is 25 m. How many square meters of its area will remain for tree planting if we use 1/5 of the entire site to construct a cottage, backyard, and road? Is it possible to find the length of - Round skirt
The cut on the round skirt has the shape of an annulus. Determine how much m² of fabric will be consumed on an 80 cm long skirt. The waist circumference is a circle with a smaller radius of 69 cm.
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