Lesson Example Discussion Quiz: Class Homework |
Step-3 |
Title: Decimal Addition |
Grade: 4-a Lesson: S2-L2 |
Explanation: Let us verify the answer here with the steps. |
| Step | Type | Explanation | Answer |
|---|---|---|---|
1 |
Problem |
Camilia finished the race in 698.2 seconds, and Chad finished the race in 573.3 seconds. How much time did they both take to finish the race? |
|
2 |
Clue |
Both implies adding up |
Addition |
3 |
Hint |
Operator used : Addition |
+ |
4 |
Step |
Time taken by Camilia to finish the race |
698.2 seconds |
5 |
Step |
Time taken by Chad to finish the race |
573.3 seconds |
6 |
Step |
Total time taken by Camilia and Chad to finish the race |
698.2 + 573.3 |
7 |
Step |
= |
\$1271.5\$ seconds |
8 |
Step |
Time taken by Camilia and Chad to finish the race |
1271.5 seconds |
9 |
SumUp |
Can you summarize what you’ve understood in the above steps? |
|
10 |
Choice.A |
This option is correct which accurately represents the sum of Camilia’s and Chad’s race times |
1271.5 |
11 |
Choice.B |
This option is incorrect because it underestimates the total time taken by 10 seconds |
1261.5 |
12 |
Choice.C |
This option is incorrect because it underestimates the total time taken by 20 seconds |
1251.5 |
13 |
Choice.D |
This option is Incorrect because this number does not match the sum of 698.2 and 573.3 |
1281.5 |
14 |
Answer |
Option |
A |
15 |
SumUp |
Can you summarize what you’ve understood in the above steps? |
|
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