Multiplying 2 digit by 4 digits

1
Multiplying 2 digit by 4 digits

• By Scott Mangum

2
Mississippi Benchmark

• 5b - Multiply four-digit numbers by two-digit
  numbers.

3
Multiplying 2 digit by 4 digits

• Step 1 Multiply by the ones place. Regroup if
  you can.

5124
x48
2
3
9
1
9
40
,
Start from right to left
4
Multiplying 2 digit by 4 digits

• Step 2 Add a place holding ZERO.
• Step 3 Multiply by the tens place. Regroup if
  you can.

5124
Place holding ZEROS hold the value of the number.
0
x48
40,992
6
1
9
4
20
,
Start from right to left
5
Multiplying 2 digit by 4 digits
5124

• Step 4 Add the partial products.

x48
40,992 204,960
Start from right to left

,
2
5
1
9
5
4
2
1
6
Practice

• 8,901
• x 27

• 6,060
• x 34

• 6,933
• x 10

62,307 178,020 240,327
24,240 181,800 206,040
0,000 69,330 69,330