Subtraction without Regrouping

Subtraction without regrouping:

We will learn subtracting 4-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 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.

Subtraction without Regrouping

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.

4-Digit Subtraction without Regrouping

Thus, 9911 – 3711 = 6200.


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. Fill in the blanks:

(i) 875 – 0 = ………………

(ii) 6473 – 1 = ………………

(iii) 7899 – 7899 = ………………

(iv) 9879 – 6729 = ………………


III. 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


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

Days

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Sunday

Number of People Visiting the Fair

3630

4850

3395

980

6978

8580

4850

(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. (i) 875

(ii) 6472

(iii) 0

(iv) 3150


III. (i) 1263

(ii) 2468

(iii) 3003

(iv) 2309

(v) 3747

(vi) 1830


IV. (i) Thursday

(ii) Tuesday and Sunday

(iii) 3730

(iv) Monday, 235

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