Subtraction practice problems - page 61 of 82

Number of problems found: 1630

Brother and sister
When I was 8, my sister was 4, and now I am 18. How old is my sister?
Spending
Peter spends 1/5 of his earnings on his rent, and he saves 2/7. What fraction of his earnings is left?
Intersect and conjuction
Let U={1,2,3,4,5,6} A={1,3,5} B={2,4,6} C={3,6} Find the following. 1. )AUB 2. )A'UB'
A jewelry
A jewelry store has 20 grams of gold. How many grams are not used if a pair of earrings need 1/4 gram of gold?
Temperature difference 2
The temperature in London on New Year's Day is -2 degrees Celsius. The temperature in Prague on the same day is -14 degrees Celsius. What is the temperature difference between the two cities?
Temperature difference
Libya's highest temperature was recorded at 58 degrees Celsius, and the lowest was recorded at -88 degrees Celsius. What is the temperature difference?
The temperature 2
The temperature of Siberia fell 13 degrees below 2/3 degrees Celsius. What is the temperature there now?
Grandma cake sharing
Grandma baked 40 cakes. Jurko ate the eighth, Katka the fifth, and Janko the remaining half. How many cakes did Grandma have left?
Photo Bulletin Board Area
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.
Block Dimensions Volume Change
How does the volume of a 2.5dm, 15cm, and 0.5m block change if each dimension increases by 1.5cm?
Steps Around Rectangular Course
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. )
Ice Cream Cone Volume Melt
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?
Carpet Uncovered Floor Area
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?
Books Children Adults
There were 78 books in the interpretation, of which 27 were for adults. How many books were there for children and young people?
Buying Fruits Change Calculation
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 -14°F over 4 hours. If the temperature changed the same amount each hour, what was the change in temperature each hour?
Distance Between Boats
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.

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