Lesson 4 – Word Problems (Addition and Subtraction)
At the end of this lesson, students should be able to solve word problems involving addition and subtraction.
There are 300 students in a school. 103 students are girls. The rest are boys. How many students are boys?
The total number of students = 300
Number of girls = 103
Number of boys = 300 – 103 = 197
=> 197 students are boys.
There are 416 bibles in a church. Some are blue and some are white. If 308 of the bibles are white, how many are blue?
Total Number of bibles = 416
Number of white bibles = 308
Number of blue bibles = 416 – 308 = 108
=> There are 108 blue bibles.
I have 168 stamps. My friend gave me 141 stamps. How many stamps do I have altogether?
Number of stamps = 168
Number of stamps my friend gave me =141
Number of stamps altogether = 168 + 141 = 309
=> There are 309 stamps altogether.
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