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Missing Number Worksheet for Class 2

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Last updated date: 28th Feb 2024
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Introduction to the Missing Numbers

Do you know the importance of missing numbers in our life? If not, then it's okay, as this article will explain everything about the missing number and the missing number worksheet for class 2. Now you must be curious about how to find the missing numbers. After reading this article and solving some missing number worksheets, you will be able to find the missing numbers in addition, and subtraction in various forms like single-digit subtraction, single-digit addition etc along with the benefits of missing number worksheets.


Missing Numbers in Addition

To find the missing digits in addition, follow the steps in the given example:

  • In addition, to find the missing number, just take the number you have on the left side of the ‘=’ sign and take it to the right side.

  • Then subtract it from the number that is on the right side. In below case, when we put 8 on the right side, we get

= 10 - 8

= 2

Hence the missing number is 2.


Missing Number in Addition


Missing Number in Addition


Missing Single Digit Subtraction Cases

Following the three cases of missing single digit subtraction:

Case 1: If the missing number is the difference then subtract the subtrahend from the minuend. For example:

10 - 3 = __ (Here the blank mark represents the missing number). Now, subtract 3 from the number 10 and note the answer as 7. So the missing number is 7.

The Equation in Which the Difference is Missing


The Equation in Which the Difference is Missing


Case 2: If the missing number is the subtrahend then subtract the difference from the minuend. For example:

10 - __ = 7 (Here the blank mark represents the missing number). Now, we will subtract 7 from 10 and obtain the result as 3. Thus, the missing number is 3.

The Equation in Which the Subtrahend is Missing


The Equation in Which the Subtrahend is Missing


Case 3: If the missing number is the minuend then add the subtrahend and the difference. For example:


__ - 3 = 7 (Here the blank mark represents the missing number). We wish to add 3 with 7 and get the result as 10. Now, after adding 7 with 3, the missing number is obtained as 10.

The Equation in Which Minuend is Missing


The Equation in Which Minuend is Missing


Benefits of Missing Number Worksheets

Missing number worksheets have numerous benefits including:

  • One can use them to solve questions for practice.

  • Encourages students to learn more about numbers.

  • These are available in offline and online modes.

  • One can download missing number worksheet pdfs and work on them.

  • These help children in developing their interest in mathematics.

Solved Examples

Q 1. Write the missing number in the given sequence.

2, 3, 6, 4, 5, 20, __, 3, 18.

Ans: The missing number is 6. This is because a pattern between the numbers in the given series is determined, as the third digit ‘6’ is the product of the first two digits ‘2’ and ‘3’, and the sixth digit, which is ‘20’ is the product of fourth and fifth digits that is ‘4’ and ‘5’ and the ninth digit ‘18’ is the product of the seventh digit ‘6’ and eighth digit ‘3’

Therefore, the seventh digit should be “6”.


Q 2. Replace _ with the correct digit in __67 + 132 = 399

Ans: Follow the given steps to solve the problem:

  • Write the given expression: __67 + 132 = 399

  • Now, take 132 to the right-hand side and subtract from 399, i.e. 399 - 132

So, 399 - 132 = 267

  • Equate the difference of these numbers to __67 and get the final answer as 2

Thus, the digit at the place of the blank space will be 2.

Practice Problems

Q 1. Find the missing digit in the subtraction of 4530 - 23__5 = 2155.

Ans. 7.


Q 2. Calculate the missing digit in the addition of 61__0 + 1352 = 7482.

Ans. 3.


Q 3. Find the missing digit in 7__31 - __365 = 3866.

Ans. 2 and 3.


Missing Number Worksheets

Below is missing number worksheets for class 2:


Missing Number Worksheet for Class 2


Missing Number Worksheet for Class 2


Summary

Missing numbers are the numbers that have been missed in a given series of a number or digits with similar differences among them. The method of filling in these missing numbers is finding similar changes or rules between those numbers and filling in the missing terms in the specific series and places. You can also find the missing digits by identifying the pattern of the sequence. Keep practising and solving the missing digits worksheets for class 2. You can also download the missing number worksheet PDFs over the internet.

FAQs on Missing Number Worksheet for Class 2

1. How do you solve a puzzling problem?

Basic steps to solve the logically puzzling problem are given underneath

  • Take a look at the question. Get an idea about the theme of the problem. 

  • Select the data that gives you some idea of the total information given.

  • Also, select the data that helps you determine different possibilities.

2. What is the missing number puzzle?

A missing number puzzle is a box where different numbers are written along with many empty spaces, and all the numbers share some pattern. Hence after figuring out the pattern, one has to fill those empty spaces with numbers.

3. What is the missing number reasoning?

Missing number reasoning involves questions where candidates need to find a missing number in a given series. Important topics under missing number reasoning are Puzzle, Series, Analogy, Order and Ranking.