Addition practice problems - page 46 of 73
Number of problems found: 1450
- Different 29943
Vojta added five different prime numbers to the top row of the census pyramid. Their sum was 50. What was the biggest number he could get "down"? - Consecutive 29761
Determine three consecutive natural numbers, the sum of which is 66. - Extending square garden
Mrs. Petrová's garden had a square shape with a side length of 15 m. After its enlargement by 64 m² (square), it had the form of a square again. How many meters has the length of each side of the garden been extended? - At noon
At noon today, it was 6°C outside, but it has increased to 4°C since then. What is the temperature outside now?
- Probability 29163
There are ten red, six blue, and eight green balls in the hat. What is the probability that a randomly selected ball is blue or red? - On the floor
You enter the room, and there are two dogs, four horses, one giraffe, and one duck on the bed. Three chickens are flying over the chair. How many feet are on the floor? - One-third 28793
Mom baked cheese and poppy seed buns. One-third of them, 26 buns, were poppy. How many buns did mom bake? - Adding mixed 4
Two and 1/8th plus 1 and 1/3rd = - Outdoor temperature
The outdoor temperature was 8 degrees at midnight. The temperature declined 5 degrees during each of the next 3 hours. What was the temperature at 3 AM?
- Four-sided 27601
The house's roof has the shape of a regular four-sided pyramid 4 m high with a base edge of 100 dm. We consider 30% of the roofing in addition to the overlap. Calculate how much m² of roofing is needed to cover the roof. - Aristotle 27401
Aristotle was born in 384 BC and lived to be 62 years old. In what year did he die? Plato lived to be 81 and died in 348 BC. What year was he born? - Delivered 27391
The first company delivered 3,400 tiles to the store, and the second delivered 4,500 tiles. They sold 800 tiles. How many tiles do they still have in store? - How many 3
How many hours do the Andersons watch TV in all Wednesday 3/1 hr Thursdays 2/3 hr Friday 4/5 hr Saturday 3/4 hr - 1 page
One page is torn from the book. The sum of the page numbers of all the remaining pages is 15,000. What numbers did the pages have on the page that was torn from the book?
- Finite arithmetic sequence
How many numbers should be inserted between the numbers 1 and 25 so that all numbers create a finite arithmetic sequence and that the sum of all members of this group is 117? - Consecutive 26031
Five consecutive numbers give the sum of 220. Identify the smallest of them. - Represents 25981
Determine the sum of three numbers if the first number is 328, the second is 28 smaller, and the third represents ¼ of the first number. - Calculate: 25551
Calculate: a) 17 + (-23) - (-42) = b) - 32 - (+12) + (+13) = c) 6.7 - (+ 2.5) - (- 8.2) = d) - 0.56 - 4.38 + 6.78 = - Calculate 25321
Calculate the body's volume, consisting of a prism and a pyramid with the same square base with an edge of 8 cm. The prism is 20 cm high, and the pyramid is 15 cm.
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