Lesson Example Discussion Quiz: Class Homework |
Step-1 |
Title: Decimal Subtraction |
Grade: 4-a Lesson: S2-L4 |
Explanation: Let us verify the answer here with the steps. |
| Step | Type | Explanation | Answer |
|---|---|---|---|
1 |
Problem |
John bought 638.9 meters of wire, and Jade bought 352.1 meters of wire. How much more wire did John buy than Jade? |
|
2 |
Clue |
Than implies comparison |
Subtraction |
3 |
Hint |
Operator used : Subtraction |
- |
4 |
Step |
Length of the wire bought by John |
638.9 meters |
5 |
Step |
Length of the wire bought by Jade |
352.1 meters |
6 |
Step |
Difference in length of the wire bought by John and Jade |
638.9 meters - 352.1 meters |
7 |
Step |
= |
\$286.8\$ meters |
8 |
Step |
Therefore, the difference in length of the wire bought by John and Jade |
286.8 meters |
9 |
SumUp |
Can you summarize what you’ve understood in the above steps? |
|
10 |
Choice.A |
This option is incorrect because the actual difference is 286.8 meters, not 295.8 meters. A difference of 295.8 meters would imply a larger amount of wire purchased by John than is the case |
295.8 |
11 |
Choice.B |
This option is incorrect because the actual difference is 286.8 meters, not 295.8 meters. A difference of 295.8 meters would imply a larger discrepancy than the given lengths |
288.6 |
12 |
Choice.C |
This option is incorrect because the actual difference is 286.8 meters, not 290.8 meters. A difference of 290.8 meters would be larger than the actual difference |
290.8 |
13 |
Choice.D |
This option is correct because it represents the difference in the amounts of wire bought by John and Jade |
286.8 |
14 |
Answer |
Option |
D |
15 |
SumUp |
Can you summarize what you’ve understood in the above steps? |
|
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