Addition practice problems - page 51 of 79
Number of problems found: 1573
- Student math probability
There are 25 students in the class, 12 of whom are not ready for math. There are five students in the math class. What is the probability of at least 3 being math-ready? - Polynomial value calculation
Calculate the value of a polynomial: 14 * 32 - 27:3 + 11 * 4:2 = - Census pyramid
Walter 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 natural numbers
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 became 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? - Ball color probability
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? - Bun baking calculation
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? - Roof material calculation
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 birth death
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? - Tile store calculation
The first company delivered 3,400 tiles to a store and the second delivered 4,500 tiles. 800 tiles were sold. How many tiles remain in the store? - How many 3
How many hours do the Andersons watch TV in total? Wednesday: 3/1 hr Thursday: 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 number sum
Five consecutive numbers give the sum of 220. Identify the smallest of them. - Number sum calculation
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. - Number calculation exercise
Calculate: a) 17 + (-23) - (-42) = b) - 32 - (+12) + (+13) = c) 6.7 - (+ 2.5) - (- 8.2) = d) - 0.56 - 4.38 + 6.78 =
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