Lesson Example Discussion Quiz: Class Homework |
Step-3 |
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 |
18 |
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2 |
16 |
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3 |
288 |
|
| Step | Description | A | B | C | D |
|---|---|---|---|---|---|
B1 |
Carry |
1 |
12 |
0 |
|
M1 |
Multiplicand |
0 |
1 |
8 |
|
M2 |
Multiplier |
× |
1 |
6 |
|
A1 |
D3 16 × 8 = 128 C3 16 × 1 + 12 = 28 B3 16 × 0 + 2 = 2 |
0 02 1 |
1 16 12 |
12 128 8 |
|
S1 |
D3 Bring Down 8 C3 Bring Down 8 B3 Bring Down 2 |
2 |
8 |
8 |
|
Sum |
Product: 18 × 16 = 288 |
2 |
8 |
8 |
| Step | Type | Explanation | Answer |
|---|---|---|---|
2 |
Problem |
Calculate the result of 43 times 30. |
|
3 |
Clue |
Product means Multiplication |
\$ \times \$ |
4 |
Step: |
Multiply the number 43 by 30 |
\$43 \times 30\$ |
5 |
Step: |
After the multiplication, we get |
\$ 1290 \$ |
6 |
Choice.A |
The product of 43 and 30 is indeed 1290, so option A is correct |
1290 |
7 |
Choice.B |
The product of 43 and 30 is 1290, not 1280. Therefore, option B is incorrect |
1280 |
8 |
Choice.C |
The product of 43 and 30 is 1290, not 1270. Therefore, option C is incorrect |
1270 |
9 |
Choice.D |
The product of 43 and 30 is 1290, not 1240. Therefore, option D is incorrect |
1240 |
10 |
Answer |
A |
|
11 |
SumUp |
Can you summarize what you’ve understood in the above steps? |
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