Addition practice problems - last page

Number of problems found: 1573

Coffee
In stock are three kinds of branded coffee with prices: I. Kind. .. .. .256 Kc/kg II. Kind. .. .. .341 Kc/kg III. Kind. .. .. 345 Kc/kg Mixing these three species in the ratio 2:3:9 creates a mixture. What will the price of 250 grams of this mixture be?
Cinema
The Cinema auditorium is built for 3300 people. The first row is planned for 36 seats, and each next gradually 4 more. How many rows of seats will have an auditorium?
Diophantus
We know little about this Greek mathematician from Alexandria, except that he lived around the 3rd century A.D. Thanks to an admirer who described his life through an algebraic riddle, we know at least something about it. Diophantus's youth lasted 1/6 of
Hens
13 hens are eating spilled grain, which is estimated to last from 6 AM to 4 PM. At 11 o'clock, grandmother brought 5 more hens from the neighbours. At what time was all the grain eaten?
Decimal expansion
Calculate: 8 . 10 + 7 . 1 + 4 . 100 + 3 . 10000 + 6 . 1000 + 7 . 100000 =
Summand
One of the addends is 155. The second is 18 more. Determine their sum.
Tractors
Uncle is going to buy a tractor Zetor super 50. The first costs 95000 Eur, the second costs 90000 Eur. How much pay uncle for both tractors?
Average
The average of 5 numbers is 108. What is their sum?
Isosceles triangle
Calculate the perimeter of an isosceles triangle with leg length 87 cm and base length 95 cm.
Angles
A triangle has one exterior angle of 82°6' and one interior angle of 48°36'. Calculate the other two interior angles of the triangle.
Family
A man and a woman have 7 daughters together (biological children only, excluding step-children). Each daughter has one brother. How many members are in the immediate family?
Addition of Roman numbers
Add the following and write the result as a decimal number: LXXV + MCCCXV
Homeless Dezider
Homeless Dežko has 7 coins in his jacket: . Calculate the value of its assets and calculate how many bottles of beer for 0.55 EUR it can buy.

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