Lesson Example Discussion Quiz: Class Homework |
Step-5 |
Title: Addition of decimals |
Grade: 4-a Lesson: S2-L8 |
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 249.8 + 122.4. |
|
2 |
Hint |
Operator used for addition is \$+\$ |
|
3 |
Step |
Add the numbers |
249.8 + 122.4 |
4 |
Step |
After the addition we get |
372.2 |
5 |
Choice.A |
This option is incorrect because the sum of the hundreds place (2 + 1) was miscalculated or the sum of the other columns was not correctly added. |
312.7 |
6 |
Choice.B |
This option is incorrect because it is likely that an error occurred in the addition of the tens and hundreds place values. |
322.7 |
7 |
Choice.C |
This is option is correct. When you add 249.8 and 122.4, you get 372.2 |
372.2 |
8 |
Choice.D |
This is option is incorrect because when you add 249.8 and 122.4, the correct sum should be 372.2, not 327.2. |
327.2 |
9 |
Step |
Option |
C |
10 |
Sumup |
Can you summarize what you’ve understood in the above steps? |
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