Multiplication - 7th grade (12y) - math problems

Number of problems found: 181

  • In center
    number_line What number lies in the center between a quarter of a fifth and a half of a third on the number axis?
  • No. of divisors
    triangle_div How many different divisors have number ??
  • Number
    numbers_12 What number I think? The third is 6 and half is 2 more than the its quarter.
  • Division
    division Divide by the number 0.2 is the same as multiply by what number?
  • Brackets 2
    brackets Add parenthesis to make true: 5-2×6-4+2=5
  • Cube 3
    krychle_2 How many times will increase the volume of a cube if we double the length of its edge?
  • Coin and die
    die Flip a coin and then roll a six-sided die. How many possible combinations are there?
  • LCM
    calc_icon What is the least common multiple of 5, 50, 14?
  • Babysitting
    babo $27.40 babysitting for 4 hours. How much would she make if she babysat for 7 hours?
  • Twenty-five
    prime How many three-digit natural numbers are divisible by 25?
  • Percent calculation
    percent_sign Calculate 51% if 99% is 79.
  • Telephone numbers
    phones How many 7-digit telephone numbers can we put together so that each number consists of different digits?
  • Expressions
    equation Expression (3a-7).(3a+7) is identical with: ?
  • Cube 2
    krychle_1 How many times will increase if the surface area of the cube if we triple length of its edge?
  • Symbols
    my If 2*3 = 60 ; 3*4 = 120 and 4*5 = 200, what is 2*5?
  • Factors 2
    powers_2 A number has 3 identical factors. If 1 of them is 18. Find the number step by step
  • Two thirds
    fractions_10 Find two-thirds of the number equal to two-thirds of 99
  • Discount
    sales_discount Product has been discounted twice by 19%. What is the total discount given?
  • Percent chaining
    meter_1 Calculate 20% from 70% from 80 km
  • Colors
    peracnik Willie got birthday 6 colour pens in different colors. How many ways he can give them side by side in pencil?

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