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

Solutions
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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 
Correct Answer is :   399
Q2Multiply.
25
×18

A. 250
B. 450
C. 270

Solutions
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Step: 1
25
×18
200
250
450
  



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

[Add.]
Correct Answer is :   450
Q3Multiply:

4 6 
×2 

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

Solutions
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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 
Correct Answer is :   92
Q4Multiply:

3 6 9 
×3 


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

Solutions
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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 
110 7 
Correct Answer is :   1107
Q5Calculate:
27
×45

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

Solutions
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Step: 1
27
×45
135←27 ×  5
+1080←27 ×  40
1215
Step: 2
27 × 45 = 1 215
Correct Answer is :   1 215
Q6Multiply:

5 9 
×4 

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

Solutions
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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 
Correct Answer is :   236
Q7Multiply:

6 7 
×2 


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

Solutions
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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 
Correct Answer is :   134
Q8Multiply:
2 1 2 
×4 

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

Solutions
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Step: 1
Multiply the ones by 4.
2 1 2 
×4 
8 
Step: 2
Multiply the tens by 4.
2 1 2 
×4 
48 
Step: 3
Multiply the hundreds by 4.
2 1 2 
×4 
848 
Step: 4
Therefore, 212 × 4 = 848
Correct Answer is :   848
Q9Multiply:
1 1 0 
×7 

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

Solutions
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Step: 1
Multiply the ones by 7.
1 1 0 
×7 
0 
Step: 2
Multiply the tens by 7.
1 1 0 
×7 
70 
Step: 3
Multiply the hundreds by 7.
1 1 0 
×7 
770 
Step: 4
So, 110 multiplied by 7 is 770.
Correct Answer is :   770
Q10Multiply:

6 7 2 
×5 

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

Solutions
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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.
Correct Answer is :   3360

HighSchool Math