1) 9,275 x 4
2) 7,512 x 5
3) 3,362 x 3
4) 1,870 x 4
5) 4,470 x 6
6) 2,632 x 3
7) 5,419 x 5
8) 8,362 x 7
9) 6,007 x 9
10) 1,781 x 4
11) 3,499 x 4
12) 9,186 x 2
13) 3,336 x 5
14) 2,502 x 8
15) 4,661 x 6
16) 1,018 x 9
17) 2,549 x 3
18) 3,982 x 5
19) 5,642 x 7
20) 9,719 x 4

To solve these multiplication problems, we need to multiply a four-digit number by a one-digit number. Let's solve each problem step-by-step. We'll use the standard algorithm for multiplication.

9 , 275 × 4

Multiply each digit of 9,275 by 4, starting from the right.
5 × 4 = 20 (place 0, carry 2)
7 × 4 = 28 ; then add carry 2, so 28 + 2 = 30 (place 0, carry 3)
2 × 4 = 8 ; then add carry 3, so 8 + 3 = 11 (place 1, carry 1)
9 × 4 = 36 ; then add carry 1, so 36 + 1 = 37
The product is 37 , 100 .


7 , 512 × 5

2 × 5 = 10 (place 0, carry 1)
1 × 5 = 5 ; then add carry 1, so 5 + 1 = 6
5 × 5 = 25 (place 5, carry 2)
7 × 5 = 35 ; then add carry 2, so 35 + 2 = 37
The product is 37 , 560 .


3 , 362 × 3

2 × 3 = 6
6 × 3 = 18 (place 8, carry 1)
3 × 3 = 9 ; then add carry 1, so 9 + 1 = 10 (place 0, carry 1)
3 × 3 = 9 ; then add carry 1, so 9 + 1 = 10
The product is 10 , 086 .



And so on for each of the problems:

1 , 870 × 4 = 7 , 480

4 , 470 × 6 = 26 , 820

2 , 632 × 3 = 7 , 896

5 , 419 × 5 = 27 , 095

8 , 362 × 7 = 58 , 534

6 , 007 × 9 = 54 , 063

1 , 781 × 4 = 7 , 124

3 , 499 × 4 = 13 , 996

9 , 186 × 2 = 18 , 372

3 , 336 × 5 = 16 , 680

2 , 502 × 8 = 20 , 016

4 , 661 × 6 = 27 , 966

1 , 018 × 9 = 9 , 162

2 , 549 × 3 = 7 , 647

3 , 982 × 5 = 19 , 910

5 , 642 × 7 = 39 , 494

9 , 719 × 4 = 38 , 876


These are the products for each multiplication task given. The process involves multiplying each digit of the larger number by the single digit and carrying over any extra values as needed. By following these steps, you can accurately find the product of any such multiplication problem.

Answered by IsabellaRoseDavis | 2025-07-06

We solved 20 multiplication problems where four-digit numbers are multiplied by one-digit numbers using the standard multiplication algorithm. Each problem was broken down step-by-step to show the carrying process involved in multiplication. This approach helps in ensuring that every part of the multiplication is clear and understandable.
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Answered by IsabellaRoseDavis | 2025-07-20