Lesson Example Discussion Quiz: Class Homework |
Step-2 |
Title: Decimal Addition |
Grade: 4-a Lesson: S2-L1 |
Explanation: Let us verify the answer here with the steps. |
| Step | Type | Explanation | Answer |
|---|---|---|---|
1 |
Problem |
Chris bought 132.78pounds of flour for cakes and 245pounds for cookies. How much flour did he buy in total? |
|
2 |
Clue |
Total implies adding up |
Addition |
3 |
Hint |
Operator used : Addition |
+ |
4 |
Step |
Chris bought flour for cakes |
132.78kg |
5 |
Step |
cookies bought |
245pounds |
6 |
Step |
Amount of flour bought by Chris |
132.78 pounds + 245 pounds |
7 |
= |
\$377.78\$ |
|
8 |
Step |
Hence, total amount of flour bought by Chris |
377.78 pounds |
9 |
SumUp |
Can you summarize what you’ve understood in the above steps? |
|
10 |
Choice.A |
This option is correct because it accurately represents the total amount of flour Chris bought |
377.78 |
11 |
Choice.B |
This option is Incorrect because the sum of 132.78 and 245 is not 347. The actual sum is higher |
347 |
12 |
Choice.C |
This option is Incorrect because this number is significantly higher than the correct sum |
387.5 |
13 |
Choice.D |
This option is Incorrect because this number is significantly higher than the sum of 132.78 and 245 |
398.5 |
14 |
Answer |
Option |
A |
15 |
SumUp |
Can you summarize what you’ve understood in the above steps? |
|
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