Addition practice problems - page 19 of 79

Number of problems found: 1573

Number average calculation
Calculate the average of the numbers 1.95 2.02 2.05 2.07 2.07 2.07 2.09 2.11 2.11 2.12 2.14 2.16 2.16 2.16 2.18 2.18 2.24 2.26
Student pet count
There are 24 students in the class. Eleven of them have a dog at home. The tiny rodent has 15 of them. No animal has 5 students at home. How many students have 2 pets at home?
Nails
A rider decided to buy a good riding horse, whose price was 10 000 €. The seller told him: "I will give you the horse for free. Pay me only for the nails with which the horseshoes are attached. For the first nail in the horseshoe pay me 1 cent, for the se
Workers 4
Workers in a workshop machined the same parts for three months. Their output increased so that each subsequent month they machined 10% more parts than the previous month. In the last month, they machined 484 parts. How many parts did they machine in the f
Test class results
Eighth-grade test results: 8D =? 8B = 47 8 A = 44 8E = 37 8 C = 28 Class 8 A achieved exactly the average result. How many points did the winning class 8D get? By what % is class 8B more successful than class 8 C?
Motion on circle
The bend has a radius of r = 100 m and is inclined at an angle of 20° to the horizontal plane (= tilt angle). What is the safe (the "best") speed to go through this curve? Sketch the picture regarding NIVS, mark the forces, and calculate.
Pokemon card distribution
Jenda, Milo, and Thomas have a total of 203 Pokemon cards. Jenda has twice as many cards as Thomas, and Milo has a quarter of Jendo's number of cards. a) How many cards does Jenda have? b) How many fewer cards do Milo have than Jenda and Thomas?
Number sum divisibility
Adam wrote the following sum with five secret adders: a + bb + ccc + dddd + eeeee. He revealed that the characters "a, b, c, d, e" represent the different digits 1, 2, 3, 4, and 5 and that the resulting sum is divisible by 11. Which is the smallest and wh
Circle line intersection
Calculate the sum of the x-coordinates of the intersections of the circle given by the equation (x - 1)²+ y² = 1 and the line given parametrically x = t, y = t , where t∈R.
Family in ratio
The ages of the father, mother, daughter, and son are in the ratio 11:9:3:2. The mom is 36 years old. What is the sum of their ages?
Odd number sum
Determine the sum of all positive odd numbers less than 78
Clock hand angle
Calculate in degrees the size of the acute angle made by the hands of the clock at half past six.
Pillar path length
Next to the road are 15 pillars at a distance of 2.5 meters. The pillars are 15 cm wide and stand at the beginning and end of the path. Calculate the length of the path in decimetres.
Geometric sequence sum
Calculate the sum of the first 9 terms of the geometric sequence if a3 equals 2 and a4 equals 8.
Bus travel time
The bus left Prague at 8:45 p.m. and arrived in Poprad at 5:35 a.m. How long did the bus take?
Consecutive even sum
The sum of five consecutive even numbers is -10. What are the numbers?
Expression value calculation
Calculate the value of the expression V = 3x²- 2x + 3 for x = -2.
Lucka candy count
Ten different packages contain 1 to 10 candies respectively. Each child took two packages. They received the following number of candies: Annie: 5 Suzy: 7 Katie: 9 Monica: 15 How many candies does Lucy have?
Club animal count
Twenty-nine children attend the club. Eleven said that they have a dog, 14 children have a cat, and 12 children have a hamster. Two children have all three animals. Seven children do not have any animals at home. How many children have at least two of the
Apple fraction collection
Four friends were picking apples. Philip collected 3/16, Patrik 1/4, and Thomas 1/3 of all apples. How many apples did Stephen collect?

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