This is basic topic for the students who are in primary level. Here, we are going to see how to solve add and subtract whole numbers word problems.
Example 1 :
The rough estimation of cement needed to construct a house is as follows
For construction - 1,150 bags of cement
For laying concrete - 850 bags of cement
For plastering the walls - 98 bags of cement
What is the total number of cement bags required to construct a house?
To find the total number of cement bags required, we need to add the number of bags required for construction, number of bags required for concrete and the number of bags required for plastering the walls.
Required number of cement bags is
= 1,150 + 850 + 98
So, required number of cement bags is 2,098.
Example 2 :
A family spent $ 3,500 monthly for grocery, $ 1,200 for milk , $ 4800 for rent and electricity, and $ 950 for other expenses. Find the total expenditure of the family in the month?
To find the total expenditure of the family in the month, we have to add all the expenditure.
Money spent for grocery = $3,500
Money spent for milk = $1,200
Money spent for electricity = $4,800
Money for spent for other expenses = $950
Total expenses is
= 3,500 + 1,200 + 4,800 + 950
So, the total expenditure of the family in the month $10,450.
Example 3 :
A municipality collects $ 8,430 as water tax, $ 9,890 as professional tax, $ 1,480 as entertainment tax and $ 2,740 as service tax. What is the total amount collected by the municipality?
To find the total amount collected by the municipality , we need to add the amount spent for water tax, professional tax, entertainment tax and service tax.
Amount of water tax = $8,430
Amount spent for professional tax = $ 9,890
Amount spent for entertainment tax = $ 1,480
Amount spent for service tax = $ 2,740
Total amount is
= 8,430 + 9,890 + 1,480 + 2,740
So, total amount collected by the municipality is $22,540.
Example 4 :
In an exhibition, the amount collected from sale of books electronic items, textiles, household items are $1,700, $18,585, $9,200 and $22,000 respectively. What is the total amount collected in the exhibition?
To find the total amount collected in the exhibition, we need to add the amount.
Amount collected for books = $1,700
Amount collected for electronic items = $18,585
Amount collected for textiles = $9,200
Amount collected for household items = $22,000
Total amount is
= 1,700 + 18,585 + 9,200 + 22,000
So, total amount collected in the exhibition is $51,485.
Example 5 :
Find the difference between the largest five digit number and smallest six digit number.
Largest five digit number is 99,999.
Smallest six digit number is 100000.
To find the difference between them, we need to subtract smallest from largest.
So, the difference between the largest five digit number and smallest six digit number is 1.
Example 6 :
The cost of a motorbike is $45,800. If the cost of a bicycle $42,910 less than the cost of a motor bike, find the cost of the bicycle.
To find the cost of the cycle, we have to subtract 42,910 from the cost of motor bike.
Cost of cycle is
= 45,800 - 42,910
So, the cost of bicycle is $2,890.
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