Lesson Example Discussion Quiz: Class Homework |
Step-2 |
Title: Decimal Subtraction |
Grade: 5-a Lesson: S1-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. |
| Step | Type | Explanation | Answer |
|---|---|---|---|
1 |
Problem |
Subtraction of Decimals 820.10-420.10 |
|
2 |
Step |
Subtract the given decimals. |
820.10-420.10 |
3 |
Step |
The numbers are first padded with zero. Subtract each column starting from the rightmost column, moving towards the left. |
|
4 |
Clue |
Position the smaller number below the greater number. If necessary, borrow from the next column to the left. |
|
5 |
Step |
After subtracting all the columns, obtain the final result. |
820.10-420.10=400.0 |
6 |
Answer |
Option |
C |
7 |
Sumup |
Can you summarize what you’ve understood in the above steps? |
|
8 |
Choice.A |
This option is incorrect because it is not the correct result of the subtraction |
100 |
9 |
Choice.B |
This option is incorrect because it is not the correct result of the subtraction |
200 |
10 |
Choice.C |
This is the correct result. Subtracting 420.10 from 820.10 gives 400. |
400 |
11 |
Choice.D |
This option is incorrect because it is not the correct result of the subtraction |
600 |
12 |
Sumup |
Can you summarize what you’ve understood in the above steps? |
|
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