Consecutive Odd Integer Problems

In this lesson, we will learn how to solve consecutive odd integer problems.

Related Topics:
Cnsecutive integer problems, Consecutive even integer problems.

Integer worksheets, Integer games



Consecutive integer problems are word problems that involve consecutive integers.

Consecutive integers are integers that follow in sequence, each number being 1 more than the previous number, represented by n, n +1, n + 2, n + 3, ..., where n is any integer. For example: 23, 24, 25, …

If we start with an even number and each number in the sequence is 2 more than the previous number then we will get consecutive even integers. For example: 16,18, 20, …

If we start with an odd number and each number in the sequence is 2 more than the previous number then we will get consecutive odd integers. For example: 33, 35, 37, …

The following are common examples of consecutive odd integer problems.

Example : Consecutive Odd Integer

The lengths of the sides of a triangle are consecutive odd numbers. What is the length of the longest side if the perimeter is 45?

Solution:

Step 1: Being consecutive odd numbers we need to add 2 to the previous number.

Assign variables :

Let x = length of shortest side

x + 2 = length of medium side

x + 4 = length of longest side

Sketch the figure

triangle

Step 2: Write out the formula for perimeter of triangle.

P = sum of the three sides

Step 3: Plug in the values from the question and from the sketch.

45 = x + x + 2 + x + 4

Combine like terms

45 = 3x + 6

Isolate variable x

3x = 45 – 6

3x = 39

x =13

Step 3: Check your answer

13 + 13 + 2 + 13 + 4 = 45

Be careful! The question requires the length of the longest side.

The length of longest = 13 + 4 =17

Answer: The length of longest side is 17




The following video shows how the solve the integer word problem:
The sum of three consecutive odd integer is 231. What is the largets integer?.



The following video shows how to find consecutive even and odd numbers given the sums.






The product of two consecutive odd integers is 99. What are the numbers?





Find three consecutive odd integers so that the sum of twice the first, the second and three times the third is 152.






Finding Integers That Are Consecutive, Consecutive Even, or Consecutive Odd.
This video goes through examples of finding consecutive integers, consecutive odd integers, & consecutive even integers that add up to a given number.
The sum of three consecutive integers is 657; find the integers.
The sum of three consecutive odd integers is 597; find the integers.
The sum of three consecutive even integers is 528; find the integers.



Consecutive Odd Integers - Hard
Find three consecutive odd integer so that the sum of twice the first, the second and three times the third is 152.






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