Natural numbers + addition - practice problems
Number of problems found: 73
- AP members
Insert as many arithmetic sequence members between numbers 1 and 53 that the sum is 702.
- The sum
The sum of two numbers is 69 and the difference is 11. Which numbers are they?
- Three dices
What is the probability that the sum of points 14 will be a roll of three dice (B, M, Z)?
- 5 digits
You have the following digits: 9, 8, 0, 1, 5. Write the smallest even five-digit number if one digit is repeated three times and the other digits are not repeated. The digit sum of the number is: a) 9 b) 6 c) 8 d) 23
- A test 2
A test has 20 questions. The test awards 3 points if the answer is correct and takes away 1 point if the answer is incorrect. A student answered 5 questions incorrectly. How many points did the student earn?
- Recurrence relation
Consider a recurrence relation an = 3an-1 - 3an-2 for n = 1,2,3,4,… with initial conditions a1 = 4 and a2 = 2. Calculate a5.
- There 19
There are 19 boys in section A and 23 boys in section B. If 4/7 of them are boy scout, how many boy scouts are there?
The state had 906 candies of chocolate. Zoe had 969. how many chocolates did they have in all use addition subtraction, and multiplying?
- 30 eggs
There are 30 eggs in a tray. If 1/2 of the tray used 1/5 of it cooked,1/3 kept the refrigerator, how many eggs were left?
- Three integers
Three consecutive integers add up to 51. what are these integers?
- The sum 13
The sum of the exponents of the prime factors in the prime factorization of 196 is. .. .
- Which 4
Which number is equivalent to 5×10+4×1+8×110+6×1100+1×11,000?
- The cost 2
The cost of 5 apples is $3.45, and 5 oranges are $1.23. If Rachel buys one apple and one orange, then how much must she pay?
- Three unknown numbers
The sum of of three numbers is 106. the first number is 10 more then the third. The second number is 2x the third. What are the numbers?
Millie has 3 sisters. Each sister reads 2 pages every morning and 4 pages every evening. Which expression can be used to represent the total number of pages read by Millie's sisters after 5 days?
- Evaluate 11
Multiply the quotient of 6 and 2 by 3, then add 1. Add 1 and 6, then divide by 2 and multiply by 3. Divide 6 by the product of 2 and 3, then add 1.
- Petra's test
The answer will be given 8 marks, and the wrong answer will be deducted 3 marks. The total number of marks obtained by the school is 36. If Petra answered six questions correctly, how many questions were answered incorrectly by the student from the scho
- Row for lunch
There are less than 66 people in a row for lunch. In front of Eva, there are 28 students. Behind Martin, there are 30 people. Between Eva and Martin, there are 17 people. How many students stand behind Eva if Martin stands in front of Eva?
- A number 4
A number is made up of two digits. The sum of the digits is 11. if the digits are interchanged, the original number is increase by 9. Find the original number
There were 2414 crates of tomatoes in the barn, but 735 crates of tomatoes were rotten and had to be thrown out. Joe sold 813 crates and canned 756 crates of tomatoes. How many crates of tomatoes does Joe have left?
Natural numbers - practice problems. Addition practice problems.