Addition practice problems - last page

Number of problems found: 1537

Relay-race
Kate ran 140 meters at 27.5 seconds, Suzan at 27.5 seconds, Roza at 24.1 seconds, and Žofka at 25.9 seconds. How long took to run the 4x140 m relay race?
Water
Mix 58 l of water with a temperature of 81 °C, 10 l warm of 54 °C, and 41 l water of 67 °C. What is the temperature of the mixed water immediately after mixing?
Theater
Each row of the theater has 15 seats. The ticket to the first 7 rows is for 26 EUR. The next row is for 13 EUR. The theater was completely sold out. Revenue was 5850 EUR. How many rows are in the theater?
Short cut
Imagine that you are going to a friend. That path has a length of 120 meter. Then turn doprava and go other 630 meters, and you are at a friend's. The question is, how much will the journey be shorter if you go directly across the field?
Coffee
In stock are three kinds of branded coffee prices: I. Kind. .. .. .205 Kc/kg II. Kind. .. .. .274 Kc/kg III. Kind. .. .. 168 Kc/kg Mixing these three species in the ratio 8:5:6 creates a mixture. What will the price of 100 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 will eat spilled grain from 6 AM to 4 PM. At 11 hour grandmother brought 5 hens from the neighbors. At what time was grain out?
Decimal expansion
Calculate: 8 . 10 + 7 . 1 + 4 . 100 + 3 . 10000 + 6 . 1000 + 7 . 100000 =
Summand
One of the summands is 137. The second is 29 more. Determine the sum of the summands.
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 its sum?
Isosceles triangle
Calculate the perimeter of the isosceles triangle with arm length 87 cm and base length of 95 cm.
Angles
The triangle is one outer angle 82°6' and one internal angle 48°36'. Calculate the other interior angles of a triangle.
Family
A man and a woman have 7 daughters together (or - "with each other" so that step-children are excluded). Each daughter has one brother. How many members are in the immediate family?
Addition of Roman numbers
Added together and written as decimal numbers: 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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