# Natural numbers - 7th grade (12y) - math problems

#### Number of problems found: 175

- Unknown numbers

The sum of two consecutive natural numbers and their triple is 92. Find these numbers. - Closest natural number

Find the closest natural number to 4.456 to 44.56 and 445.6. - Sum of four numbers

The sum of four consecutive natural numbers is 114. Find them. - Twenty-five

How many three-digit natural numbers are divisible by 25? - Sum of seven

The sum of seven consecutive odd natural numbers is 119. Determine the smallest of them. - Count of roots

How many solutions has equation x. y = 7757 with two unknowns on the set of natural numbers? - Remainder

What is the remainder of the division of natural numbers 293 and 7? - Divisible by nine

How many three-digit natural numbers in total are divisible without a remainder by the number 9? - Rectangles

How many rectangles with area 8713 cm^{2}whose sides are natural numbers are? - Dd 2-digit numbers

Find all odd 2-digit natural numbers compiled from digits 1; 3; 4; 6; 8 if the digits are not repeated. - Prime factors

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

How many 7-digit telephone numbers can we put together so that each number consists of different digits? - Odd numbers

The sum of four consecutive odd numbers is 1048. Find those numbers ... - Unknown number 7

16% of the unknown number is by 21 less than unknown number itself. Determine the natural unknown number. - Common divisors

Find all common divisors of numbers 30 and 45. - Lcm of three numbers

What is the Lcm of 120 15 and 5 - Divisibility

Determine all divisors of number 84. - Even / odd numbers

a / Using variable n write two consecutive odd numbers. b / the sum of three consecutive odd numbers is 333. What are this numbers? - The sum

The sum of five consecutive odd numbers is 75. Find out the sum of the second and fourth of them. - How many

How many numbers are less than 222 with a digit sum is 8?

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Natural numbers - math word problems. Examples for 7th grade (seventh).