#### Solved Examples and Worksheet for Multiplying Whole Numbers up to 2-Digit Multipliers

Q1Multiply:

 5 7 × 7

A. 340
B. 350
C. 399
D. 440

Step: 1
Multiply the ones.
 4 5 7 × 7 9
Step: 2
Multiply the tens and add extra tens.
 4 5 7 × 7 3 9 9
Q2Multiply.
 2 5 × 1 8

A. 250
B. 450
C. 270

Step: 1
 2 5 × 1 8 2 0 0 2 5 0 4 5 0

[Multiply 25 by 8.]
[Multiply 25 by 1.]

Q3Multiply:

 4 6 × 2

A. 82
B. 80
C. 92
D. 102

Step: 1
Multiply the ones.
 1 4 6 × 2 2
Step: 2
Multiply the tens and add extra tens.
 1 4 6 × 2 0 9 2
Q4Multiply:

 3 6 9 × 3

A. 1107
B. 1097
C. 1007
D. 1087

Step: 1
Multiply the ones.
 2 3 6 9 × 3 7
Step: 2
Multiply the tens and add extra tens.
 2 2 3 6 9 × 3 0 7
Step: 3
Multiply the hundreds and add extra hundreds.
 2 2 3 6 9 × 3 1 1 0 7
Q5Calculate:
 2 7 × 4 5

A. 1 215
B. 1 205
C. 1 315
D. 1 305

Step: 1
 2 7 × 4 5 1 3 5 ←27 ×  5 + 1 0 8 0 ←27 ×  40 1 2 1 5
Step: 2
27 × 45 = 1 215
Correct Answer is :   1 215
Q6Multiply:

 5 9 × 4

A. 237
B. 231
C. 236
D. 234

Step: 1
Multiply the ones.
 3 5 9 × 4 6
Step: 2
Multiply the tens and add extra tens.
 3 5 9 × 4 2 3 6
Q7Multiply:

 6 7 × 2

A. 114
B. 144
C. 124
D. 134

Step: 1
Multiply the ones.
 1 6 7 × 2 4
Step: 2
Multiply the tens and add extra tens.
 1 6 7 × 2 1 3 4
Q8Multiply:
 2 1 2 × 4

A. 884
B. 646
C. 648
D. 848

Step: 1
Multiply the ones by 4.
 2 1 2 × 4 8
Step: 2
Multiply the tens by 4.
 2 1 2 × 4 4 8
Step: 3
Multiply the hundreds by 4.
 2 1 2 × 4 8 4 8
Step: 4
Therefore, 212 × 4 = 848
Q9Multiply:
 1 1 0 × 7

A. 707
B. 770
C. 777
D. 880

Step: 1
Multiply the ones by 7.
 1 1 0 × 7 0
Step: 2
Multiply the tens by 7.
 1 1 0 × 7 7 0
Step: 3
Multiply the hundreds by 7.
 1 1 0 × 7 7 7 0
Step: 4
So, 110 multiplied by 7 is 770.
Q10Multiply:

 6 7 2 × 5

A. 3060
B. 3260
C. 3350
D. 3360

Step: 1
Multiply the ones.
 1 6 7 2 × 5 0
Step: 2
Multiply the tens and add extra tens.
 3 1 6 7 2 × 5 6 0
Step: 3
Multiply the hundreds and add extra hundreds.
 3 1 6 7 2 × 5 3 3 6 0
Step: 4
So, 672 multiplied by 5 is 3360.