Natural numbers - 6th grade (11y) - math problems
Number of problems found: 164
- Two numbers 6
Fill two natural numbers a, b: 7 + blank- blank = 5
- Sum of four numbers
The sum of four consecutive natural numbers is 114. Find them.
- Closest natural number
Find the closest natural number to 4.456 to 44.56 and 445.6.
- Count of roots
How many solutions has equation x. y = 7757 with two unknowns on the set of natural numbers?
- 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.
- Divisible by nine
How many three-digit natural numbers in total are divisible without a remainder by the number 9?
- Sum of the digits
How many are two-digit natural numbers that have the sum of the digits 9?
What is the remainder of the division of natural numbers 293 and 7?
- Seven numbers
Write seven 4-digit numbers that are divisible by 3 and at the same time by 4.
- How many
How many numbers are less than 222 with a digit sum is 8?
- 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?
- Sum and rounding
I know two numbers whose sum is 20. When they each round and then added together I get the 30. What are this numbers?
- House numbering
The residential house has three entrances numbered even numbers, successive immediately behind. The sum of the two numbers on the outside entrances is 68. Calculate the middle of these three numbers.
- The number 3
Ski organizers should print the start numbers from 1 to 45. How many times will they use the number 3 when printing?
- The sum
The sum of five consecutive odd numbers is 75. Find out the sum of the second and fourth of them.
- Prime factors
Factor the number 6600 into the product of prime numbers.
- Lcm of three numbers
What is the Lcm of 120 15 and 5
Lenka is amused that he punched a calculator (seven-segment display) numbers and used only digits 2 to 9. Some numbers have the property that their image in the axial or central symmetry was again give some number. Determine the maximum number of three-di
- To improve
To improve her handwriting Paula practices writing the numbers 1 to 200 in words. How many times will she have written the word "one" in all?
How many odd four-digit numbers can we create from digits: 0, 3,5,6,7?
Natural numbers - math word problems. Examples for 6th grade (the sixth graders).