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Adding and Subtracting Word Problems - Page 11

Adding and Subtracting Word Problems
  • Page 11
 101.  
Sam bought 17 pencils, and his brother Sunny bought 13 pencils. How many pencils did they buy in all?
a.
26
b.
34
c.
30
d.
22


Solution:

Total number of pencils bought = Number of pencils bought by Sam + Number of pencils bought by Sunny

T  O  
1  [Carry]
1  7  
1  3  

3  0  [Add.]  


[Substitute the values and add.]

So, they bought 30 pencils in all.


Correct answer : (3)
 102.  
Frank went to a bakery and ordered a pizza that cost $18, a burger that cost $15 and a cool drink that cost $5. Which of the operations will you use to calculate the total amount Frank had to pay?
a.
Add all the costs.
b.
Subtract the cost of the pizza from the cost of burger and cool drink .
c.
Subtract the cost of the burger from the cost of pizza and cool drink.
d.
Add the costs and divide the sum by 3.


Solution:

Cost of pizza = $18

Cost of burger = $15

Cost of cool drink = $5

The amount paided by Frank in all = $18 + $15 + $5
[Substitute the values.]

= $38
[Add.]

The operation to be used to calculate the total amount Frank had to pay is: 'Add all the costs.'


Correct answer : (1)
 103.  
Justin had 4221 stamps with him. Edward gave another 2000 stamps to Justin. How many stamps did Justin have in all?
a.
6271
b.
6221
c.
6171
d.
6321


Solution:

The total number of stamps with Justin = The number of stamps with Justin + The number of stamps that Edward gave = 4221 + 2000

Th  H  T  O  
4  2  2  1  
+2  0  0  0  

6  2  2  1  



The total number of stamps with Justin is 6221.


Correct answer : (2)
 104.  
Mr. Tommy′s last month salary was $4000. He got an increment of $500 this month. What would be his new salary?
a.
$9000
b.
$3500
c.
$40500
d.
$4500


Solution:

Mr. Tommy′s new salary = Mr. Tommy′s old salary + the increment = 4000 + 500

Th  H  T  O  
4  0  0  0  
+5  0  0  

4  5  0  0  



Mr. Tommy′s new salary is $4500.


Correct answer : (4)
 105.  
There were 21 red roses, 31 yellow roses, 21 pink roses, and 17 white roses in a bouquet. Find the total number of roses in the bouquet.
a.
17
b.
14
c.
73
d.
90


Solution:

The total number of roses in the bouquet = the number of red roses + the number of yellow roses + the number of pink roses + the number of white roses

= 21 + 31 + 21 + 17
[Substitute the values.]

1   [Carry.]
21  
31  
21  
+17  

90  [Add.]



The total number of roses in the bouquet is 90.


Correct answer : (4)
 106.  
Jerald scored 12 in English, 43 in Economics, and 52 in History. What was his total score in all the three subjects?
a.
107
b.
91
c.
127
d.
117


Solution:

Jerald′s total score in all the three subjects = the sum of his score in each subject

= 12 + 43 + 52
[Substitute the values.]

H  T  O  
1  [Carry.]
1  2  
4  3  
+  5  2  

1  0  7  


[Add.]

The total score of Jerald is 107.


Correct answer : (1)
 107.  
Wilma had 4 butterscotch ice creams, 4 strawberry ice creams, and 1 vanilla ice cream. Find the total number of ice creams she had.
a.
20
b.
8
c.
9
d.
16


Solution:

Number of ice creams Wilma had = 4 butterscotch ice creams + 4 strawberry ice creams + 1 vanilla ice cream.

4  
4  
+1

9  



So, Wilma had 9 ice creams.


Correct answer : (3)
 108.  
Charles painted a picture using the following colors: pinkish orange shade, light blue shade, yellowish green shade, gray shade, and traces of light violet shade. How many colors did Charles use to paint the picture?
a.
4
b.
14
c.
5
d.
6


Solution:

Total number of shades used by Charles = 1 pinkish orange shade + 1 light blue shade + 1 yellowish green shade + 1 gray shade + 1 traces of light violet shade.

1  
1  
1  
1  
+1

5  



So, Charles used 5 shades of color for his painting.


Correct answer : (3)
 109.  
Lydia designed 2 different models of a house. The first model has 23 doors and 30 windows and the second model has 17 doors and 22 windows. Find the total number of windows in both the models.
a.
92
b.
52
c.
7
d.
40


Solution:

Total number of windows in both the models = 30 windows in the first model + 22 windows in the second model

3  0  
+2  2  

5  2  



So, the total number of windows in both the models is 52.


Correct answer : (2)
 110.  
An office has 3 floors. The first floor has 47 computers, the second floor has 45 computers, and the third floor has 43 computers. Find the total number of computers in the office.
a.
132
b.
125
c.
135
d.
138


Solution:

The total number of computers in the office = 47 + 45 + 43.

1  
4  7  
4  5  
+ 4  3  

13  5  


[Add.]

So, the total number of computers in the office is 135.


Correct answer : (3)

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