Lesson Topics Discussion Quiz: Class Homework |
Steps-2 |
Title: Multiplication |
Grade 4+ Lesson s3-l2 |
Explanation: Hello Students, time to practice and review the steps for the problem. |
Quiz: Discussion Step
sbMath-row-a-ones-image100 = {sbMath-row-a-ones-image100}
Step |
Value |
Image |
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1 |
120 |
|
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2 |
9 |
|
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3 |
1080 |
|
| Step | Description | A | B | C | D |
|---|---|---|---|---|---|
B1 |
Carry |
1 |
|||
M1 |
Multiplicand |
1 |
2 |
0 |
|
M2 |
Multiplier |
× |
0 |
9 |
|
A1 |
D3 9 × 0 = 0 C3 9 × 2 = 18 B3 9 × 1 + 1 = 10 |
9 1 |
1 18 8 |
0 |
|
S1 |
D3 Bring Down 0 C3 Bring Down 8 B3 Bring Down 10 |
10 |
8 |
0 |
|
Sum |
Product: 120 x 9 = 1080 |
10 |
8 |
0 |
| Id | Type | Name | Note |
|---|---|---|---|
1 |
Problem |
Multiply 120 × 9. |
|
2 |
Step |
Multiply the number 120 by 9 |
\$120 times 9\$ |
3 |
Step |
After the multiplication, we get |
1080 |
4 |
Sumup |
Please summarize steps |
|
Choices |
|||
5 |
Choice-A |
This value is 200 more than the correct product, so it’s incorrect |
Wrong 1280 |
6 |
Choice-B |
This value is 100 more than the actual answer, so it is not correct |
Wrong 1180 |
7 |
Choice-C |
That is correct; this is the exact result when multiplying 120 by 9 |
Correct 1080 |
8 |
Choice-D |
This value is 400 more than the true product, making it incorrect |
Wrong 1480 |
9 |
Answer |
Option |
C |
10 |
Sumup |
Please summarize choices |
|
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