Lesson Example Discussion Quiz: Class Homework |
Step-2 |
Title: Decimal Multiplication |
Grade: 4-a Lesson: S2-L6 |
Explanation: Let us verify the answer here with the steps. |
| Step | Type | Explanation | Answer |
|---|---|---|---|
1 |
Problem |
A storybook has 645.1 pages, and a color book has 2 times the pages of a storybook. How many pages are in the color book? |
|
2 |
Clue |
Many implies multiplying |
Multiplication |
3 |
Hint |
Operator used : multiplication |
x |
4 |
Step |
Number of pages in a storybook |
645.1 pages |
5 |
Step |
Number of pages in a color book |
Two times the number of pages in a storybook |
6 |
Step |
Number of pages in a color book |
2 x 645.1 |
7 |
Step |
= |
\$1290.2\$ pages |
8 |
Step |
Number of pages in a color book |
1290.2 pages |
9 |
SumUp |
Can you summarize what you’ve understood in the above steps? |
|
10 |
Choice.A |
This is incorrect because it is less than the calculated value of 1290.2 |
1280.2 |
11 |
Choice.B |
This is incorrect because it is also less than the calculated value of 1290.2 |
1270.2 |
12 |
Choice.C |
The correct option is C (1290.2) because it accurately reflects the result of multiplying 645.1 by 2, which gives us the number of pages in the color book according to the problem statement |
1290.2 |
13 |
Choice.D |
This is incorrect because it is significantly less than the calculated value of 1290.2 |
1260.3 |
14 |
Answer |
Option |
C |
15 |
SumUp |
Can you summarize what you’ve understood in the above steps? |
|
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