Multiplying a 3-Digit Number by a 1-Digit Number

Multiplying 3-Digit Number by 1-Digit Number

Right here we’ll discover ways to multiply a 3-digit quantity with a 1-digit quantity.

We’ll study to multiply a three-digit quantity by a one-digit quantity in two differing types.

Multiplying a 3-Digit Quantity with a 1-Digit Quantity by Regrouping:


1. Multiply 201 by 3

Step I: Prepare the numbers vertically.

Step II: Multiply the digit within the ones place by 3.

1 × 3 = 3 grains

Step III: Now multiply the digit within the tens place by 3.

0 × 3 = 0 decimal

Step IV: Now multiply the digit within the a whole lot place by 3.

2 × 3 = 6 faces

So 201 × 3 = 603

Multiplying a 3-Digit Quantity with a 1-Digit Quantity by Regrouping:

1. Multiply 246 by 4

Step I: Prepare the numbers vertically.

Step II: Multiply the quantity within the ones place by 4.

6 × 4 = 24 = 2 tens + 4 ones

Sort 4 within the ones column and transfer 2 within the tens column

Step III: Now multiply the digit within the tens place by 4.

4 × 4 = 16 tens

Now, 16 + 2 (carry) = 18 decimals = 1 hundred + 8 decimals

Step IV: Now multiply the digit within the a whole lot place by 4.

2 × 4 = 8 faces

Now, 8 + 1 (revolution) = 9 hundred

Multiplying 3-Digit Number by 1-Digit Number with Regrouping

So 246 × 4 = 984

2. Multiply 453 by 6.

Step I: Prepare the numbers vertically.

Step II: Multiply the digit within the ones place by 6.

6 × 3 = 18 = 1 tens + 8 ones

Sort 8 within the ones column and transfer 1 within the tens column

Step III: Now multiply the digit within the tens place by 6.

6 × 5 = 30 tens

Now, 30 + 1 (carry) = 31 tens = 3 hundred + 1 tens

Sort 1 within the tens column and transfer 3 into the hundred column.

Step IV: Now multiply the digit within the a whole lot place by 6.

6 × 4 = 24 faces

Now, 24 + 3 (revolutions) = 27 hundred = 2 thousand and seven hundred.

Write 7 within the tens place and a couple of within the hundreds place.

Multiplying 3 Digit Number by 1 Digit Number with Regrouping

So 453 × 6 = 2718

3. Multiply 221 by 2.

H T HE

2 2 1

× 2

4 4 2

Multiply the first-ones by 2.

2 × Write 2 below 1 = 2. HE.

Then-multiply them by 2.

2 × 2 = 4, write 4 beneath T.

Multiply the end-faces by 2.

2×2=4. write 4 beneath H.

4. Multiply 167 by 2.

H T HE

 one 1

1 6 7

× 2

3 3 4

7 × 2 = 14 = 1 ten + 4 one.

write 4 beneath HE.

1 ten stone. 6 × 2 = 12 + 1 = 13

13 = 1 hundred + 3 tens.

write 3 beneath T.

1 face stone. 2 × 1 = 2 + 1 = 3

write 3 beneath H.

Questions and Solutions on Multiplying a 3-Digital Quantity by a 1-Digit Quantity:

Multiplying a 3-Digit Quantity by a 1-Digit Quantity b gt Regrouping:

I. Multiply the next:

(i) 134 × 2

(ii) 320×3

(iii) 112×4

(iv) 301 × 2

(v) 202 × 2

(vi) 131 × 3

(vii) 220×4

(viii) 303 × 3

Reply:

I. (i) 268

(ii) 960

(iii) 448

(iv) 602

(v) 404

(vi) 393

(vii) 880

(viii) 909

Multiplying 3-Digit Quantity by 1-Digit Quantity with Regrouping:

II. Multiply the next:

(i) 237×4

(ii) 142×7

(iii) 235×4

(iv) 408 × 2

(v) 145×6

(vi) 126 × 3

(vii) 435 × 2

(viii) 157 × 5

Reply:

II. (i) 948

(ii) 994

(iii) 940

(iv) 816

(v) 870

(vi) 378

(vii) 870

(viii) 785

III. Multiply the next:

(i) 467 × 8

(ii) 706×7

(iii) 982×9

(iv) 351×6

(v) 738 × 5

(vi) 288 × 7

Reply:

III. (i) 3736

(ii) 4942

(iii) 8838

(iv) 1806

(v) 3690

(vi) 2016

IV. Multiply the next 3-digit numbers by 1-digit numbers:

(I)

H T HE

3 1 3

× 2

(ii)

H T HE

8 6 6

× 1

(iii)

H T HE

2 1 0

× 3

(iv)

H T HE

0 0 3

× 2

(v)

H T HE

1 1 7

× 1

(vi)

H T HE

1 1 4

× 4

(vii)

H T HE

2 1 5

× 3

(viii)

H T HE

1 1 2

× 6

(ix)

H T HE

1 2 3

× 4

(X)

H T HE

3 0 3

× 7

(xi)

H T HE

1 7 4

× 3

(xii)

H T HE

2 8 5

× 8

(xii)

H T HE

2 3 4

× 4

(xiv)

H T HE

3 3 2

× 6

(xv)

H T HE

4 5 2

× 5

V. Multiply and Fill within the Blanks:

(i) 222 × 3 = _____

(ii) 212 × 4 = _____

(iii) 323 × 2 = _____

(iv) 112 × 5 = _____

(v) 124 × 4 = _____

(vi) 225 × 9 = _____

(vii) 666 × 6 = _____

(viii) 444 × 5 = _____

(ix) 245 × 7 = _____

(x) 145 × 4 = _____

third Grade Arithmetic Classes

Multiplying a 3-Digit Quantity by a 1-Digit Quantity


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