Year 3 / grade 2 Unit 4 Addition And Subtraction
Lesson 1- Addition
2 Quizzes
Unit 4 Lesson 1: Exercise 1
Unit 4 Lesson 1: Exercise 2
Lesson 2 - Subtraction
3 Quizzes
Unit 4 Lesson 2: Exercise 1
Unit 4 Lesson 2: Exercise 2
Unit 4 Lesson 2: Exercise 3
Lesson 3 - Using Addition to check Subtraction and Subtraction to check Addition
2 Quizzes
Unit 4 Lesson 3: Exercise 1
Unit 4 Lesson 3: Exercise 2
Lesson 4 - Word Problems (Addition and Subtraction)
1 Quiz
Unit 4 Lesson 4: Exercise 1
Previous Lesson
Lesson 4 – Word Problems (Addition and Subtraction)
Year 3 / grade 2 Unit 4 Addition And Subtraction
Lesson 4 – Word Problems (Addition and Subtraction)
Objective:
At the end of this lesson, students should be able to solve word problems involving addition and subtraction.
Example 1
There are 300 students in a school. 103 students are girls. The rest are boys. How many students are boys?
Solution
The total number of students = 300
Number of girls = 103
Number of boys = 300 – 103 = 197
=>
197
students are boys.
Example 2
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
?
Solution
Total Number of bibles = 416
Number of white bibles = 308
Number of blue bibles = 416 – 308 = 108
=> There are
108 blue
bibles.
Example 3
I have 168 stamps. My friend gave
me 141 stamps. How many stamps do I have altogether?
Solution
Number of stamps = 168
Number of stamps my friend gave me =141
Number of stamps altogether = 168 + 141 = 309
=> There are 309 stamps altogether.
Lesson Content
Unit 4 Lesson 4: Exercise 1
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