Lesson Example Discussion Quiz: Class Homework |
Step-4 |
Title: Multiplication |
Grade: 4-a Lesson: S1-L5 |
Explanation: Hello Students, time to practice and review the steps. Let us take next 2-5 minutes to solve the steps for the problems. This is a good exercise to check your understanding of the concepts.Second student to identify and review important steps.Focus on understanding the concepts and application to solving problems step by step. |
Lesson Steps
Step |
Value |
Image |
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1 |
19 |
|
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2 |
16 |
|
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3 |
304 |
|
| Step | Description | A | B | C | D |
|---|---|---|---|---|---|
B1 |
Carry |
1 |
14 |
0 |
|
M1 |
Multiplicand |
0 |
1 |
9 |
|
M2 |
Multiplier |
× |
1 |
6 |
|
A1 |
D3 16 × 9 = 144 C3 16 × 1 + 14 = 30 B3 16 × 0 + 3 = 3 |
0 02 1 |
1 16 14 |
14 144 4 |
|
S1 |
D3 Bring Down 4 C3 Bring Down 0 B3 Bring Down 3 |
3 |
0 |
4 |
|
Sum |
Product: 19 × 16 = 304 |
3 |
0 |
4 |
| Step | Type | Explanation | Answer |
|---|---|---|---|
2 |
Problem |
Calculate the result of 43 times 27. |
3 |
Clue |
Product means Multiplication |
\$ \times \$ |
4 |
Step: |
Multiply the number 43 by 27 |
\$43 \times 27\$ |
5 |
Step: |
After the Multiplication, we get |
\$ 1161\$ |
6 |
Choice.A |
The product of 43 and 27 is 1161, not 1171. Therefore, option A is incorrect |
1171 |
7 |
Choice.B |
The product of 43 and 27 is indeed 1161, so option B is correct |
1161 |
8 |
Choice.C |
The product of 43 and 27 is 1161, not 1181. Therefore, option C is incorrect |
1181 |
9 |
Choice.D |
The product of 43 and 27 is 1161, not 1191. Therefore, option D is incorrect |
1191 |
10 |
Answer |
B |
11 |
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