Consecutive numbers

A consecutive number is a number that is greater by 1 than the existing number.
When we are asked -
The consecutive number of "any number" is...
We calculate as follows: Any Number+1Any~Number+1

When we are asked -
"Some number" is the consecutive number of...
We calculate as follows: Any Number1Any~Number-1

Illustration explaining predecessor and successor numbers, showing the relationship between 5 and 6 for foundational math concepts

Consecutive numbers sequence

Consecutive numbers from smallest to largest are numbers that follow one another in ascending order,
For example:
23,24,25,2623,24,25,26

Sum of Consecutive Numbers

The sum of consecutive numbers is the addition of all consecutive numbers we have.
For example -
23+24+25+2623+24+25+26
We can use the commutative and associative properties and calculate as seen below:
23+25=4523+25=45
24+26=5024+26=50
50+45=9550+45=95

Suggested Topics to Practice in Advance

  1. Sequences / Skips

Practice Consecutive Numbers up to 100

Examples with solutions for Consecutive Numbers up to 100

Exercise #1

Select the predecessor of the number 2100:

Step-by-Step Solution

To solve this problem, we'll find the predecessor of 2100 by performing a simple calculation.

Let's outline the steps:

  • Step 1: Identify the given number: n=2100 n = 2100 .
  • Step 2: Apply the formula for a predecessor: subtract 1 from the given number.

Now, let's perform the calculation:

21001=2099 2100 - 1 = 2099

Therefore, the predecessor of 2100 is 2099 2099 .

Answer

2099 2099

Exercise #2

Select the predecessor of the number 3140:

Step-by-Step Solution

To solve this problem, we'll follow these steps:

  • Step 1: Identify the given information
  • Step 2: Apply the appropriate formula
  • Step 3: Perform the necessary calculations

Now, let's work through each step:
Step 1: The problem gives us the number 3140 3140 .
Step 2: To find the predecessor, we use the formula Predecessor of n=n1 \text{Predecessor of } n = n - 1 .
Step 3: Subtracting 1 from 3140 3140 , we have 31401=3139 3140 - 1 = 3139 .

Therefore, the predecessor of 3140 3140 is 3139 3139 .

Answer

3139 3139

Exercise #3

Select the predecessor of the number 4030:

Step-by-Step Solution

To solve this problem, let's follow these steps:

  • Step 1: Identify the number provided in the problem. In this case, the number is 4030.
  • Step 2: Use the formula for finding a predecessor:
    Predecessor of 4030=40301\text{Predecessor of } 4030 = 4030 - 1.
  • Step 3: Perform the subtraction to find the predecessor:
    40301=4029 4030 - 1 = 4029 .

Therefore, the predecessor of the number 4030 is 4029\textbf{4029}.

Therefore, the solution to the problem is 4029 4029 .

Answer

4029 4029

Exercise #4

Select the predecessor of the number 5301:

Step-by-Step Solution

To solve this problem, we'll use the concept of a predecessor:

  • Step 1: Identify the given number: 5301.
  • Step 2: Calculate the predecessor by subtracting 1 from the given number.

Now, let's proceed with the calculation:
Step 1: The number provided is 5301 5301 .
Step 2: Subtract 1 from this number:
53011=5300 5301 - 1 = 5300 .

Therefore, the predecessor of 5301 is 5300 5300 .

Looking at the options provided, the correct choice is option 3, which is 5300 5300 .

Answer

5300 5300

Exercise #5

Select the predecessor of the number 6700:

Step-by-Step Solution

Let's solve this step-by-step:

  • Step 1: Identify the given number, which is 6700.
  • Step 2: Use the formula for finding the predecessor of a number, which is to subtract 1 from it. Thus, 67001=6699 6700 - 1 = 6699 .
  • Step 3: Verify the calculation by adding 1 back to the result: 6699+1=6700 6699 + 1 = 6700 , confirming our result is correct.

After following these steps, we conclude that the predecessor of the number 6700 is 6699 6699 .

Answer

6699 6699

Exercise #6

Select the successor of the number 5449:

Step-by-Step Solution

To solve this problem, we'll follow these steps:

  • Step 1: Identify the given information
  • Step 2: Apply the formula for finding a successor
  • Step 3: Perform the addition calculation

Now, let's work through each step:
Step 1: The problem gives us the number 5449.
Step 2: To find the successor, we use the formula n+1 n + 1 .
Step 3: Add 1 to 5449 to find its successor:
5449+1=5450 5449 + 1 = 5450

Therefore, the solution to the problem is 5450 \textbf{5450} .

Answer

5450 5450

Exercise #7

Select the successor of the number 6599:

Step-by-Step Solution

To solve this problem, we'll follow these steps:

  • Step 1: Identify the given information.
  • Step 2: Apply the appropriate formula for finding the successor.
  • Step 3: Perform the calculation to find the successor.

Now, let's work through each step:

Step 1: The given number is 6599.

Step 2: We'll use the formula for the successor, which is to add 1 to the given number.

Step 3: Calculating the successor, we add 1 to 6599:

6599+1=6600 6599 + 1 = 6600

Therefore, the successor of 6599 is 6600 6600 .

Answer

6600 6600

Exercise #8

Select the successor of the number 7009:

Step-by-Step Solution

To solve this problem, let's follow these simple steps:

  • Step 1: Identify the given number, which is 7009 7009 .
  • Step 2: Find the successor by adding 1 to the number.
  • Step 3: Calculate 7009+1 7009 + 1 .

Now, let's perform the calculation:
Step 3: Adding 1 to 7009, we get:

7009+1=7010 7009 + 1 = 7010

Therefore, the successor of the number 7009 is 7010 7010 .

Among the given choices, 7010 7010 is the correct answer, corresponding to choice number 2.

Answer

7010 7010

Exercise #9

Select the successor of the number 8190:

Step-by-Step Solution

To solve this problem, we'll follow these steps:

  • Step 1: Identify the given information
  • Step 2: Calculate the successor by adding 1
  • Step 3: Verify the result with the given choices

Now, let's work through each step:
Step 1: The number we have is 8190.
Step 2: The successor of 8190 is calculated as 8190+1=8191 8190 + 1 = 8191 .
Step 3: Among the given choices, 8191 is available as option 1.

Therefore, the solution to the problem is 8191 8191 .

Answer

8191 8191

Exercise #10

What number comes before 31,000?

Step-by-Step Solution

To determine the number that comes immediately before 31,000, we need to find its predecessor.

Step 1: We start with the number 31,000.

Step 2: To find the predecessor, we subtract 1 from this number:

31,0001 31,000 - 1

=30,999 = 30,999

This calculation tells us that the number that comes before 31,000 is 30,999.

Therefore, the correct solution to the problem is 30,999 30,999 .

Answer

30,999 30,999

Exercise #11

What number comes before 31,440?

Step-by-Step Solution

To find the number that comes before 31,44031,440, we need to calculate the predecessor using subtraction. Let's go through the steps:

  • Step 1: Identify the given information. We have the number 31,44031,440.
  • Step 2: Determine the predecessor by subtracting 1 from the given number. Use the formula: Predecessor=n1\text{Predecessor} = n - 1.
  • Step 3: Perform the calculation: 31,4401=31,43931,440 - 1 = 31,439.

Thus, 31,43931,439 is the number that comes before 31,44031,440.

Therefore, the correct answer is 31,43931,439.

Answer

31,439 31,439

Exercise #12

What number comes before 40,300?

Step-by-Step Solution

To solve the problem of finding what number comes before 40,300, we need to find the predecessor of 40,300. This can be done by subtracting 1 from 40,300.

Let's perform this calculation:

  • Given number: 40,300 40,300
  • Predecessor: 40,3001 40,300 - 1
  • Calculating: 40,3001=40,299 40,300 - 1 = 40,299

Therefore, the number that comes before 40,300 is 40,299 40,299 .

Looking at the provided answer choices, choice #4 offers the number 40,299, which matches our calculation. Thus, the correct answer is 40,299 40,299 .

Answer

40,299 40,299

Exercise #13

What number comes before 53,001?

Step-by-Step Solution

To solve this problem, we'll follow these steps:

  • Identify the given number: 53,001 53,001
  • Apply the operation to find the predecessor: Subtract 1
  • Confirm the result against the provided answer choices

Now, let's work through each step:
- The task is to determine what number comes before 53,001.
- To find the predecessor, we'll apply the subtraction operation:
53,0011=53,000 53,001 - 1 = 53,000

This calculation shows that the predecessor of 53,001 is 53,000.

Among the possible answer choices provided, the correct choice is:

  • Choice 2: 53,000 53,000

Therefore, the number that comes before 53,001 is 53,000 53,000 .

Answer

53,000 53,000

Exercise #14

What number comes before 67,100?

Step-by-Step Solution

To solve this problem, we'll follow these steps:

  • Step 1: Identify the given number.
  • Step 2: Subtract one to find the predecessor.

Now, let's work through each step:
Step 1: We are given that the number is 67,100 67,100 .
Step 2: To find the predecessor, we subtract 1 from 67,100:
67,1001=67,099 67,100 - 1 = 67,099

The number that comes before 67,100 is 67,099 67,099 .

Answer

66,099 66,099

Exercise #15

What number follows 39,999?

Step-by-Step Solution

To solve this problem, we need to determine the number that directly follows 39,999 in the sequence of natural numbers.

  • Step 1: Start with the number provided in the problem: 39,999 39,999 .
  • Step 2: To find the number that follows, add 1 to the given number: 39,999+1 39,999 + 1 .
  • Step 3: Perform the addition: 39,999+1=40,000 39,999 + 1 = 40,000 .

Through these calculations, we find that the number following 39,999 is 40,000 40,000 .

Answer

40,000 40,000