Lesson 9 – Addition and Subtraction Of Decimals
Objectives:
At the end of this lesson, students should be able to:
- Add different decimals numbers.
- Subtract one decimal number from another.
Addition or subtraction of decimals can be done by following a few steps:
Example 1
Add 26.431 + 15.312 + 8.064
Solution
Example 2
Subtract 2.853 from 8.976
5.74 + 25.376 + 0.8743
Solution
Example 4
324.5 – 8.326
Unit 10 Lesson 9: Exercise 1
Workout the following addition and subtraction questions and provide correct answers for each of them.
1) 7.52 2) 65.795 3) 2.26 4) 66.54
5) 11.569 6) 2.871 7) 131.7 8) 67.6093
9) 180.922 10) 5.44
5) 11.569 6) 2.871 7) 131.7 8) 67.6093
9) 180.922 10) 5.44
Unit 10 Lesson 9: Exercise 2
Solve these addition and subtraction questions.
1) 1.6275 2) 4.353 3) 346.7602 4) 117.623
5) 391.13 6) 66.131 7) 111.7484 8) 0.376
9) 401.335 10) 78.474
5) 391.13 6) 66.131 7) 111.7484 8) 0.376
9) 401.335 10) 78.474
Unit 10 Lesson 9: Exercise 3
Provide the right answer for each of the following.
1) 12.61kg 2) 11.882m 3) 28.257 4) 39.7cm
5) 35.098g 6) 24.64ml 7) 3.049km 8) 4.38
9) 785.293 10) 54.018
5) 35.098g 6) 24.64ml 7) 3.049km 8) 4.38
9) 785.293 10) 54.018