Lesson Example Discussion Quiz: Class Homework |
Step-4 |
Title: Addition of decimals |
Grade: 4-a Lesson: S2-L7 |
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 224.3 + 157.6. |
|
2 |
Hint |
Operator used for addition is \$+\$ |
|
3 |
Step |
Add the numbers |
224.3 + 157.6 |
4 |
Step |
After the addition we get |
381.9 |
5 |
Choice.A |
This option is incorrect sum of 224.3 and 157.6 should be 381.9, not 318. The decimal part 0.9 is correct, but the whole number part is incorrect. |
318.9 |
6 |
Choice.B |
This option is incorrect due to a minor error in adding the digits, especially in the tenths or units place. |
319.8 |
7 |
Choice.C |
This option is incorrect. The result is too high. It could be due to errors in adding the hundreds, tens, or units place. |
389.1 |
8 |
Choice.D |
This option is correct because it matches the exact sum of 224.3 + 157.6. |
381.9 |
9 |
Step |
Option |
D |
10 |
Sumup |
Can you summarize what you’ve understood in the above steps? |
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