Multiplication - 7th grade (12y) - math problems
Number of problems found: 189
Simplify powers multiplication: (3+22)(5-42)
- The largest number
Find the largest integer such that: 1. No figures is not repeat, 2. multiplication of every two digits is odd, 3. addition all digits is odd.
- The machine
The machine was in operation for 9 tenths (in a fraction) of eight hours of working time. How long has he been running?
Average of 5 numbers is 108. What is its sum?
- Pins 2
how many different possible 4 digits pins can be found on the 10-digit keypad?
Compare fractions ?. Which fraction of the lower?
- Prime factors
Factor the number 6600 into the product of prime numbers.
Seven friends agree to send everyone a holiday card. How many postcards were sent?
Calculate the 4.6 ‰ of 199.
- Equivalent fractions
Are these two fractions equivalent -4/9 and 11/15?
- Gasoline price
At 34.4 cents per liter, how much will 42 liters of gasoline cost?
Of all 360 employees, there are 11/12 women. How many men work in a company?
The sum and the product of three integers is 6. Write largest of them.
How many different ways can initiate a game of chess (first pass)?
Unfold number 1963 in the ratio 9:2:2.
- Hours 3
How many hours are in 3 2/3 days?
- Ratio - proportion
Reduce the number 16 in proportion 3:2 5:4 11:8
- The square
The square root of 25 times the square root of 81 is what number?
- Hexadecimal number
What will be hexadecimal number 303 as decimal number?
- Mixing operations with numbers
Subtract twice the number -23.6 from the difference of the numbers -130 and -40.2.
Multiplication Problems. Examples for 7th grade (seventh).