Lesson Example Discussion Quiz: Class Homework |
Step-2 |
Title: Addition of decimals |
Grade: 4-a Lesson: S2-L6 |
Explanation: Hello Students, time to practice and review the steps. Let us take next 2-5 minutes to solve the steps for the problems. This is a good exercise to check your understanding of the concepts.Second student to identify and review important steps.Focus on understanding the concepts and application to solving problems step by step. |
Lesson Steps
| Step | Type | Explanation | Answer |
|---|---|---|---|
1 |
Problem |
Addition of decimals 199.9 + 119.9. |
|
2 |
Hint |
Operator used for addition is \$+\$ |
|
3 |
Step |
Add the numbers |
199.9 + 119.9 |
4 |
Step |
After the addition we get |
319.8 |
5 |
Choice.A |
This option is incorrect because it is significantly higher than the correct sum. It is likely the result of a major calculation error or a misplacement of decimal points. |
981.9 |
6 |
Choice.B |
This option is incorrect because it is too high as well. It might come from an error in summing the numbers, such as adding too much to one of the numbers or a miscalculation in the decimal part. |
391.8 |
7 |
Choice.C |
This option is correct.Adding 199.9 and 119.9 results in exactly 319.8. |
319.8 |
8 |
Choice.D |
This option is incorrect because it is close but still incorrect. It suggests an error in calculating the sum or misplacing decimal points. |
389.1 |
9 |
Step |
Option |
C |
10 |
Sumup |
Can you summarize what you’ve understood in the above steps? |
|
Copyright © 2020-2022 saibook.us Contact: info@saibook.us Version: 1.5 Built: 11-Sept-2024 09:20AM ESTgitt