#### Solved Examples and Worksheet for Multiplying 2-Digit Numbers by 1-Digit Number

Q1Multiply:

 5 4 × 5

A. 270
B. 296
C. 226

Step: 1
Multiply the ones.
 2 5 4 × 5 0
Step: 2
Multiply the tens and add extra tens.
 2 5 4 × 5 2 7 0
Q2Multiply:

 9 6 × 4

A. 384
B. 834
C. 364

Step: 1
Multiply the ones.
 2 9 6 × 4 4
Step: 2
Multiply the tens and add extra tens.
 2 9 6 × 4 3 8 4
Q3Multiply:

 9 5 × 6

A. 750
B. 570
C. 550

Step: 1
Multiply the ones.
 3 9 5 × 6 0
Step: 2
Multiply the tens and add extra tens.
 3 9 5 × 6 5 7 0
Q4Multiply:

 8 5 × 5

A. 355
B. 353
C. 335

Step: 1
Multiply the ones.
 2 8 5 × 5 5
Step: 2
Multiply the tens and add extra tens.
 2 8 5 × 5 4 2 5
Q5George plans to take his students on a picnic. It costs $9 per student. If there are 15 students in all, how many dollars will she collect? A.$20
B. $4 C.$135

Step: 1
Cost per student = $9 Step: 2 Number of students = 15 Step: 3 Total number of dollars that George will collect = 15 × 9 =$135

Q6Multiply:

 9 8 × 5

A. 490
B. 500
C. 470
D. 480

Step: 1
Multiply the ones.
 4 9 8 × 5 0
Step: 2
Multiply the tens and add extra tens.
 4 9 8 × 5 4 9 0
Q7Multiply: A. 264
B. 62
C. 70
D. 254

Step: 1
Multiply the ones.
 2 6 6 × 4 4
Step: 2
Multiply the tens and add extra tens.
 2 6 6 × 4 2 6 4
Q8The product of 32 and 9 is ________.

A. 288
B. 298
C. 23
D. 41

Step: 1
Multiply the ones.
 1 3 2 × 9 8
Step: 2
Multiply the tens and add extra tens.
 1 3 2 × 9 2 8 8
Q9Multiply:
 1 3 × 3

A. 49
B. 36
C. 30
D. 39

Step: 1
Multiply the ones by 3.
 T O 1 3 × 3 9
Step: 2
Multiply the tens by 3.
 T O 1 3 × 3 3 9
Step: 3
Therefore, 13 × 3 = 39.
Q10Multiply:

 8 7 × 3

A. 246
B. 261
C. 260
D. 216

Step: 1
Multiply the ones.
 2 8 7 × 3 1
Step: 2
Multiply the tens and add extra tens.
 2 8 7 × 3 2 6 1