Natural numbers - 6th grade (11y) - math problems

Number of examples found: 128

  • Tenths digit
    numbers2 For 10.932, which digit is in the tenths place?
  • Two numbers 6
    numbers_49 Fill two natural numbers a, b: 7 + blank- blank = 5
  • Division
    numbers_36 Which number in division 16 give 12 and the rest 3?
  • Roman numerals 2-
    rome-italy_2 Subtract up the number written in Roman numerals. Write the results as Roman numbers.
  • Common divisors
    prime Find all common divisors of numbers 30 and 45.
  • Divisibility 2
    divisors How many divisors has integer number 13?
  • Seven times
    numberline_12 Which number seven times is just as higher as 27, how much is smaller than 29?
  • Lcm of three numbers
    prime What is the Lcm of 120 15 and 5
  • Prime factors
    prime Write 98 as product of prime factors
  • Prime factors
    prime Factor the number 6600 into the product of prime numbers.
  • Integers
    calculator_mechanical May be the sum of two integers less than their difference?
  • Divisibility
    nice_circles Determine all divisors of number 84.
  • Factors 2
    powers_2 A number has 3 identical factors. If 1 of them is 18. Find the number step by step
  • Closest natural number
    numbers2_31 Find the closest natural number to 4.456 to 44.56 and to 445.6.
  • Counting number
    numbers2_49 What is the smallest counting number divisible by 2,5,7,8 and 15?
  • The number 3
    numbers_1 Ski organizers should print the start numbers from 1 to 45. How many times will they use the number 3 when printing?
  • The sum
    eq1 The sum of five consecutive odd numbers is 75. Find out the sum of the second and fourth of them.
  • LCM
    calc_icon What is the least common multiple of 5, 50, 14?
  • Sum of the digits
    numbers2 How many are two-digit natural numbers that have the sum of the digits 9?
  • LCM of two number
    numbers2_19 Find the smallest multiple of 63 and 147

Do you have an interesting mathematical word problem that you can't solve it? Submit a math problem, and we can try to solve it.

We will send a solution to your e-mail address. Solved examples are also published here. Please enter the e-mail correctly and check whether you don't have a full mailbox.

Please do not submit problems from current active competitions such as Mathematical Olympiad, correspondence seminars etc...