Subtraction practice problems - page 61 of 82

Number of problems found: 1623

Remaining 8355
Grandma baked 40 cakes. Jurko ate the eighth, Katka the fifth, and Janko the remaining half. How many cakes did Grandma have left?
Measuring 8310
Miša called up photos from birthdays measuring 10 * 15 cm. Calculate the bulletin board area, which will cover 35 photos. The images overlap on a total area of 352 cm square.
Dimension 8307
How does the volume of a 2.5dm, 15cm, and 0.5m block change if each dimension increases by 1.5cm?
Rectangular 8297
Peter has a step 50 cm long, and his brother Juraj is 80 cm. Both went around a rectangular course 25 meters long and 15 meters wide. How many steps did Petr take compared to Juraj?
Sphere floating
Will a hollow iron ball float with an outer diameter of d1 = 20cm and an inside diameter of d2 = 19cm in the water? The iron density is 7.8 g/cm³. (Instructions: Calculate the average sphere density and compare it with the water density. )
Without 8260
The ice cream sundae glass has a cone shape. Its height without legs is 9 cm, and its radius is 5 cm. Šimon bought eight scoops of ice cream, which all melted in the sun. One scoop of ice cream has a volume of 32 cm³. How many cm³ of melted ice cream will
In about
In about 12 hours in North Dakota, the temperature rose from -33 degrees Fahrenheit to 50 degrees Fahrenheit. By how much did the temperature change?
Square-shaped 8234
In a square-shaped room with a side of 4 m, a rectangular rug with dimensions of 2.5 m and 3 m is laid on the floor. How much floor is not covered with carpet?
Change in temperature
The starting temperature is 21°C, and the highest temperature is 32°C. What is the change in temperature?
Interpretation 8213
There were 78 books in the interpretation, of which 27 were for adults. How many books were there for children and young people?
Two-hundred-crown 8210
Katka bought 3 kg of apples for 18 CZK and 2 kg of bananas for 30 CZK at the fruit and vegetable shop. How many crowns did she pay for the entire purchase? How many crowns did they give her back if she paid with a two-hundred-crown note?
Temperature change 2
The outside temperature changed -14F over 4 hours. If the temperature changed the same amount each hour, what was the change in temperature each hour?
Determine 8202
An observer watches two boats at depth angles of 64° and 48° from the top of the hill, which is 75 m above the lake level. Determine the distance between the boats if both boats and the observer are in the same vertical plane.
Temperature change
The mean temperature change is -3.2°F per day for five days. What is the total change over the five days?
Decorative fence
The rectangular garden is 57 m long and 42 m wide. Calculate how much m² it will reduce if it is enclosed with a 60 cm wide decorative fence.
Republic 8162
The factory produced 420 devices per month. They will sell 0.6 of them abroad. How many devices will remain in the Czech Republic?
Evaporated 8155
After drying 1 kg of flowers, 0.17 kg of dried flowers remained. After drying 1 kg of leaves, 0.46 kg of dried leaves remained. How many kilograms of water evaporated by drying 1 kg of flowers and 1 kg of leaves?
Measurements 8129
The plane flies at an altitude of 22.5 km to the observatory. At the time of the first measurement, it was seen at an elevation angle of 28° and during the second measurement at an elevation angle of 50°. Calculate the distance it flies between these two
Milan's kite
Peter and Milan were flying kites. Peter's kite flew to a height of 8m 35 dm 16 cm. Milan's kite flew 60 cm lower. How high in cm did Milan's kite fly?
Lighthouse
Marcel (point J) lies in the grass and sees the top of the tent (point T) and, behind it, the top of the lighthouse (P). | TT '| = 1.2m, | PP '| = 36m, | JT '| = 5m. Marcel lies 15 meters away from the sea (M). Calculate the lighthouse distance from the s

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