Numbers - math word problems

Number of problems found: 1462

  • Decompose
    cinema_5 Decompose into primes and find the smallest common multiple n of (16,20) and the largest common divisor D of the pair of numbers (140,100)
  • Three-digit numbers
    poker_hand_ranking How many three-digit numbers are from the numbers 0 2 4 6 8 (with/without repetition)?
  • To improve
    one_2 To improve her handwriting Paula practices writing the numbers 1 to 200 in words. How many times will she have written the word "one" in all?
  • Denominator
    fraction_half Calculate the missing denominator x: ?
  • Divisibility 2
    divisors How many divisors has integer number 13?
  • Z9–I–1
    ctverec_mo In all nine fields of given shape to be filled natural numbers so that: • each of the numbers 2, 4, 6, and 8 is used at least once, • four of the inner square boxes containing the products of the numbers of adjacent cells of the outer square, • in the cir
  • ABS CN
    complex_num Calculate the absolute value of complex number -15-29i.
  • Complex number coordinates
    complex_numbers Which coordinates show the location of -2+3i
  • Digits
    numbers_2 Write the smallest and largest 2-digit number.
  • One sixth
    one_sixth How many sixths are two thirds?
  • Six-digit primes
    numberline_1 Find all six-digit prime numbers that contain each one of digits 1,2,4,5,7 and 8 just once. How many are they?
  • Is equal
    Shazam Is equal following terms? ?
  • Expanded form
    numbers2 What is the expanded form of 0.21?
  • Digits
    seq_5 Show that if x, y, z are 3 consecutive nonzero digits, zyx-xyz = 198, where zyx and xyz are three-digit numbers created from x, y, z.
  • Linear imaginary equation
    cplx_function Given that ? "this is z star" Find the value of the complex number z.
  • Reciprocal
    complex_numbers Calculate reciprocal of z=0.8-1.8i:
  • Ratio
    pomer Increase in the ratio 20:4 number 18.5.
  • The modulus
    abs_value Find the modulus of the complex number 2 + 5i
  • Biquadratic
    bikvadraticka By introducing a new variable solve biquadratic equation: ?
  • David number
    numbers2_4 Jana and David train the addition of the decimal numbers so that each of them will write a single number and these two numbers then add up. The last example was 11.11. David's number had the same number of digits before the decimal point, the Jane's numbe

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