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

#### Number of problems found: 189

- Simplify

Simplify powers multiplication: (3+2^{2})(5-4^{2}) - 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

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

Compare fractions ?. Which fraction of the lower? - Prime factors

Factor the number 6600 into the product of prime numbers. - Seven

Seven friends agree to send everyone a holiday card. How many postcards were sent? - Promile

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? - Employees

Of all 360 employees, there are 11/12 women. How many men work in a company? - Product

The sum and the product of three integers is 6. Write largest of them. - Chess

How many different ways can initiate a game of chess (first pass)? - Ratio

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.

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.

Multiplication Problems. Examples for 7th grade (seventh).