Addition practice problems - page 19 of 75
Number of problems found: 1499
- Arithmetic 81795
In which arithmetic sequence is S5=S6=60?
- Purchased 81774
The zoo purchased two aquariums for marine animals. The first can hold 3,577 liters of water. The second aquarium can hold 455 liters less water than the first. How many liters of water can the aquariums hold together?
- Pinocchio's 81722
Pinocchio's nose is 11 cm long. If he lies, it will be extended by 10 cm. If he tells the truth, he will be 7 cm shorter. Pinocchio lied 6 times and told the truth 8 times. How long is his nose now?
- Probability 81679
What is the probability that a roll of three dice will result in a number less than 7?
- Determine 81572
In one triangle, one angle is 43°, and the second is 15° less than the third. Determine the unknown angles of the triangle.
- Remainders 81569
If we divide numbers by a divisor of 15, we get several different remainders. Write the sum of all possible even remainders that we get this way.
- Five-quarters 81556
Add one-third to five-eighths and divide the result by the sum of the numbers five-quarters and two-thirds.
- Single-digit 81549
Calculate the sum of the squares of single-digit natural numbers less than 6
- Quadrilateral 81544
In the general quadrilateral ABCD, angle β is 9° greater than angle α, angle γ is 24° greater than angle α, and angle δ is 50° greater than angle β. Determine the sizes of individual angles.
- Fifteenths 81479
Little Aja planned to read the book, which has 120 pages, for 4 days. On the first day, she read a quarter of the whole book; on the second day, she had training and therefore only read two-fifteenths of the book; on the third day, she read seven-twentiet
- Consecutive 81237
The sum of three consecutive numbers is 18. What are the numbers?
- Difference 81141
Calculate the difference between the sum and product of the numbers -7 and -2.
- Quadrilateral 81137
In a quadrilateral, angle α is twice as large as angle β. Angle γ is 80% of angle α, and angle δ is 30° greater than angle α. Determine the angles of this quadrilateral.
- Processed 81125
The total number of orders processed in the courier office in five days is 10, 6, 8, 7, 9, then the total of Squares is ...
- Observations 81124
The number of observations is 24, and the value of the mean is 28, then the sum of all the values is ...
- Children 81061
Amalia has as many brothers as sisters. Her brother Ivan has 3 sisters. How many children are there in their family?
- Trapezoid 80809
The house's roof is a trapezoid of the same name, with 85 tiles at the ridge and 100 tiles at the bottom. There is always one more bag in each row than the previous one. How many bags do I need for the entire roof?
- Fertilizer 80787
The fertilizer contains 15.8% nitrogen. Calculate the mass of fertilizer that must be added to the soil to make 17.0 g of nitrogen effective. Addition losses are 6.60%.
- Education 80771
Miška finished ninth fastest and fifth slowest in physical education class. How many girls ran in PE class?
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