Lesson Example Discussion Quiz: Class Homework |
Step-2 |
Title: Decimal Multiplication |
Grade: 4-a Lesson: S2-L5 |
Explanation: Let us verify the answer here with the steps. |
| Step | Type | Explanation | Answer |
|---|---|---|---|
1 |
Problem |
Sam has 236.4 paper planes, and he made 3 times more paper planes again. How many paper planes did he make? |
|
2 |
Clue |
Times implies multiplying |
Multiplication |
3 |
Hint |
Operator used : Multiplication |
x |
4 |
Step |
Number of paper planes Sam has |
236.4 |
5 |
Step |
Number of more paper planes Sam made |
Three times the previous number |
6 |
Step |
Number of more paper planes Sam made |
3 x 236.4 |
7 |
Step |
= |
\$709.2\$ |
8 |
Step |
Therefore, the total number of paper planes Sam made |
709.2 paper planes |
9 |
SumUp |
Can you summarize what you’ve understood in the above steps? |
|
10 |
Choice.A |
This option is incorrect because it is slightly higher than the calculated number of paper planes Sam made (709.2 planes). Option A overestimates the number of paper planes |
710.2 |
11 |
Choice.B |
This option is correct. It matches the calculated number of paper planes Sam made (709.2 planes) |
709.2 |
12 |
Choice.C |
This option is incorrect because it is significantly lower than the calculated number of paper planes Sam made (709.2 paper planes) |
700.2 |
13 |
Choice.D |
This option is incorrect because it is also slightly higher than the correct answer (709.2 paper planes). Option D overestimates the number of paper planes |
705.2 |
14 |
Answer |
Option |
B |
15 |
SumUp |
Can you summarize what you’ve understood in the above steps? |
|
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