Multiplication - 7th grade (12y) - math problems
Number of problems found: 181
- In center
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
How many different divisors have number ??
What number I think? The third is 6 and half is 2 more than the its quarter.
Divide by the number 0.2 is the same as multiply by what number?
- Brackets 2
Add parenthesis to make true: 5-2×6-4+2=5
- Cube 3
How many times will increase the volume of a cube if we double the length of its edge?
- Coin and die
Flip a coin and then roll a six-sided die. How many possible combinations are there?
What is the least common multiple of 5, 50, 14?
$27.40 babysitting for 4 hours. How much would she make if she babysat for 7 hours?
How many three-digit natural numbers are divisible by 25?
- Percent calculation
Calculate 51% if 99% is 79.
- Telephone numbers
How many 7-digit telephone numbers can we put together so that each number consists of different digits?
Expression (3a-7).(3a+7) is identical with: ?
- Cube 2
How many times will increase if the surface area of the cube if we triple length of its edge?
If 2*3 = 60 ; 3*4 = 120 and 4*5 = 200, what is 2*5?
- Factors 2
A number has 3 identical factors. If 1 of them is 18. Find the number step by step
- Two thirds
Find two-thirds of the number equal to two-thirds of 99
Product has been discounted twice by 19%. What is the total discount given?
- Percent chaining
Calculate 20% from 70% from 80 km
Willie got birthday 6 colour pens in different colors. How many ways he can give them side by side in pencil?