SaiBook.us Multiplication

Lesson Example Discussion Quiz: Class Homework

Step-2

Title: Multiplication

Grade: 3-a Lesson: S2-L6

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.

Discussion: Step1 Step2 Step3 Step4 Step5

Lesson Steps

Step

Value

Image

03	1	1	1			:
30	10	10	10			:

231

01	1			:
30	10	10	10	:
200	₁₀₀	₁₀₀		:

Step	Description	B	C	D
B1	Carry	2	2	0
M1	Multiplicand	0	3	3
M2	Multiplier	×	0	7
A1	D3 7 × 3 = 21 C3 7 × 3 + 2= 23 B3 7 × 0 + 2 = 2	0 2 2	2 21 2	2 21 1
S1	D3 Bring Down 1 C3 Bring Down 3 B3 Bring Down 2	2	3	1
Sum	Product: 33 × 7 = 231	2	3	1

Step	Type	Explanation	Answer
1	Problem	Is the product of 23 and 20 equal to 460?
2	Clue	Product means Multiplication	\$ \times \$
3	Step:	Multiply the number 23 by 20	\$23 \times 20\$
4	Step:	After the multiplication, we get	\$ 460 \$
5	Step:	Hence, it is proved that the product of 23 and 20 is equal to 460.
6	Choice.A	This option is correct because the calculated result matches the given value of 460	Yes
7	Choice.B	This option is incorrect. The product of 23 and 20 is indeed 460, so it contradicts the correct calculation	No
8	Choice.C	This option is incorrect. Option B is correct, but Option A is incorrect as explained above. Therefore, it cannot be both true and false	Both A & B
9	Choice.D	This option is incorrect because the calculation shows that the product is equal to 460, thus "Yes" is the correct answer	None
10		Answer	A
11	SumUp	Can you summarize what you’ve understood in the above steps?

Step

Type

Explanation

Answer

Problem

Is the product of 23 and 20 equal to 460?

Clue

Product means Multiplication

\$ \times \$

Step:

Multiply the number 23 by 20

\$23 \times 20\$

Step:

After the multiplication, we get

\$ 460 \$

Step:

Hence, it is proved that the product of 23 and 20 is equal to 460.

Choice.A

This option is correct because the calculated result matches the given value of 460

Yes

Choice.B

This option is incorrect. The product of 23 and 20 is indeed 460, so it contradicts the correct calculation

Choice.C

This option is incorrect. Option B is correct, but Option A is incorrect as explained above. Therefore, it cannot be both true and false

Both A & B

Choice.D

This option is incorrect because the calculation shows that the product is equal to 460, thus "Yes" is the correct answer

None

Answer

SumUp

Can you summarize what you’ve understood in the above steps?

Discussion: Step1 Step2 Step3 Step4 Step5