SaiBook.us Multiplication

Lesson Example Discussion Quiz: Class Homework

Step-5

Title: Multiplication

Grade: 3-a Lesson: S4-L1

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

sbMath-row-a-ones-image5 = {sbMath-row-a-ones-image5}

Step

Value

Image

09	1	1	1	1	1	:	1	1	1	1
20	10	10				:

02	1	1				:
10	10					:

348

08	1	1	1	1	1	:	1	1	1
40	10	10	10	10		:
300	₁₀₀	₁₀₀	₁₀₀			:

Step	Description	B	C	D
B1	Carry	3	10	0
M1	Multiplicand	0	2	9
M2	Multiplier	×	1	2
A1	D3 12 × 9 = 108 C3 12 × 2 + 10 = 34 B3 12 × 0 + 3 = 3	0 3 3	3 24 10	10 108 8
S1	D3 Bring Down 8 C3 Bring Down 4 B3 Bring Down 3	3	4	8
Sum	Product: 29 × 12 = 348	3	4	8

Step	Type	Explanation	Answer
1	Problem	Is the product of 105 and 2 equal to 210 ?
2	Step:	The given product is	105,2
3	Clue	Product means Multiplication	\$ \times \$
4	Step:	Multiply the numbers 105 by 2	\$105 \times 2\$
5	Step:	After the Multiplication, we get	\$ 210 \$
6	Step:	Hence, it is proved that the product of 105 and 2 is equal to 210
7	SumUp	Can you summarize what you’ve understood in the above steps?
8	Choice.A	This option is correct because the calculated result matches the given value of 210	Yes
9	Choice.B	This option is incorrect. The product of 39 and 2 is indeed 210, so it contradicts the correct calculation	No
10	Choice.C	This option is incorrect. Option A is correct, but Option B is incorrect as explained above. Therefore, it cannot be both true and false	Both A & B
11	Choice.D	This option is incorrect because the calculation shows that the product is equal to 210, thus "Yes" is the correct answer	None
12		Answer	A
13	SumUp	Can you summarize what you’ve understood in the above steps?

Step

Type

Explanation

Answer

Problem

Is the product of 105 and 2 equal to 210 ?

Step:

The given product is

105,2

Clue

Product means Multiplication

\$ \times \$

Step:

Multiply the numbers 105 by 2

\$105 \times 2\$

Step:

After the Multiplication, we get

\$ 210 \$

Step:

Hence, it is proved that the product of 105 and 2 is equal to 210

SumUp

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

Choice.A

This option is correct because the calculated result matches the given value of 210

Yes

Choice.B

This option is incorrect. The product of 39 and 2 is indeed 210, so it contradicts the correct calculation

Choice.C

This option is incorrect. Option A is correct, but Option B 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 210, thus "Yes" is the correct answer

None

Answer

SumUp

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