Subtraction without Regrouping

We will learn subtracting 4-digit, 5-digit and 6-digit numbers without regrouping.

We first arrange the numbers one below the other in place value columns and then subtract the digits under each column as shown in the following examples.

Solved Examples on Subtraction of 4-Digit Numbers without Regrouping:

1. Subtract 3248 from 6589.

Solution:

Step I: Arrange the numbers vertically. Step II: Subtract ones. 9 – 8 = 1 one. Write 1 in ones column. Step III: Subtract the tens. 8 – 4 = 4 tens.. Write 4 in tens column. Step IV: Subtract the hundreds. 5 – 2 = 3 hundreds. Write 3 in hundreds column. Step V: Subtract the thousands. 6 – 3 = 3 thousands. Write 3 in thousands column.

Thus, 6589 – 3248 = 3341.

2. Subtract 3711 from 9911.

Solution:

Step I: Arrange the numbers vertically. Step II: Subtract ones. 1 – 1 = 0 one. Write 0 in ones column. Step III: Subtract the tens. 1 – 1 = 0 tens.. Write 0 in tens column. Step IV: Subtract the hundreds. 9 – 7 = 2 hundreds. Write 2 in hundreds column. Step V: Subtract the thousands. 9 – 3 = 6 thousands. Write 6 in thousands column.

Thus, 9911 – 3711 = 6200.

Solved Examples on Subtraction of 5-Digit Numbers without Regrouping:

1. Subtract 54231 from 86954.

Solution:

Step I: Subtract ones. 4 – 1 = 3. Write 3 under ones. Step II: Subtract tens. 5 – 3 = 2. Write 2 under tens. Step III: Subtract hundreds. 9 – 2 = 7. Write 7 under hundreds. Step IV: Subtract thousands. 6 – 4 = 2. Write 2 under thousands. Step V: Subtract ten thousands. 8 – 5 = 3. Write 3 under ten thousands. Therefore, the difference is 32723

Solved Examples on Subtraction of 6-Digit Numbers without Regrouping:

1. Subtract 134108 from 275638

Solution:

Step I: Subtract ones. 8 – 8 = 0. Write 0 under ones. Step II: Subtract tens. 3 – 0 = 3. Write 3 under tens. Step III: Subtract hundreds. 6 – 1 = 5. Write 5 under hundreds. Step IV: Subtract thousands. 5 – 4 = 1. Write 1 under thousands. Step V: Subtract ten thousands. 7 – 3 = 4. Write 4 under ten thousands. Step VI: Subtract lakhs. 2 – 1 = 1. Write 1 under lakhs. Therefore, the difference is 141530

Questions and Answers on Subtraction without Regrouping:

I. Subtract the following:

(i) 2031 from 4351

(ii) 5374 from 6497

(iii) 6699 from 7799

(iv) 4563 from 6683

(v) 1710 from 4810

(vi) 8452 from 8475

(vii) 7233 from 9644

(viii) 2152 from 8597

(ix) 1651 from 3984

(x) 1041 from 2854

(xi) 5006 from 5816

II. Subtract without regrouping:

           4  7  8  9  9  4

       -   1  6  8  9  5  4 

       _______________ 

III. Fill in the blanks:

(i) 875 – 0 = ………………

(ii) 6473 – 1 = ………………

(iii) 7899 – 7899 = ………………

(iv) 9879 – 6729 = ………………

IV. Find the Number:       

    540 less than 45940

V. Subtract the following. Write the answer in figures:

(i) Two thousand, seven hundred eighty-five - One thousand, five hundred twenty-two

(ii) Eight thousand, six hundred ninety-nine - Six thousand, two hundred thirty-one

(iii) Seven thousand, five - Four thousand, two

(iv) Five thousand, five hundred fifty-nine - Three thousand, two hundred fifty

(v) Seven thousand, nine hundred ninety-nine - Four thousand, two hundred fifty-two

(vi) Three thousand, nine hundred fifty-five - Two thousand, one hundred twenty-five

VI. Given below is the number of people visiting the zoo in a week. Observe the data and answer the following questions:

(i) On which day there were minimum numbers of visitors?

(ii) On which two days, the number of visitors visiting the ’Zoo’ is same?

(iii) How many more visitors were there on Saturday than Tuesday?

(iv) Which day had more visitors Monday or Wednesday? By how many?

Answers:

I. (i) 2320

(ii) 1123

(iii) 1100

(iv) 2120

(v) 3100

(vi) 23

(vii) 2411

(viii) 6445

(ix) 2333

(x) 1813

(xi) 810

II. 310040

III. (i) 875

(ii) 6472

(iii) 0

(iv) 3150

IV. 45400

V. (i) 1263

(ii) 2468

(iii) 3003

(iv) 2309

(v) 3747

(vi) 1830

VI. (i) Thursday

(ii) Tuesday and Sunday

(iii) 3730

(iv) Monday, 235

4th Grade Math Activities

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