SaiBook.us Multiplication

Lesson Example Discussion Quiz: Class Homework

Step-3

Title: Multiplication

Grade: 3-a Lesson: S4-L7

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

05	1	1	1	1	1	:
20	10	10				:

08	1	1	1	1	1	:	1	1	1
10	10					:

450

50	10	10	10	10	10	:
400	₁₀₀	₁₀₀	₁₀₀	₁₀₀		:

Step	Description	B	C	D
B1	Carry	4	9	0
M1	Multiplicand	0	2	5
M2	Multiplier	×	1	8
A1	D3 18 × 5 = 90 C3 18 × 2 + 9 = 45 B3 18 × 0 + 4 = 4	0 4 4	4 36 9	9 90 0
S1	D3 Bring Down 0 C3 Bring Down 5 B3 Bring Down 4	4	5	0
Sum	Product: 25 × 18 = 450	4	5	0

Step	Type	Explanation	Answer
1	Problem	Find the product of 138 multiplied by 8.
2	Step:	The given product is	138 ,8
3	Clue	Product means Multiplication	\$ \times \$
4	Step:	multiply the number 138 with 8	\$138 \times 8\$
5	Step:	After the Multiplication, we get	\$ 1104 \$
6	SumUp	Can you summarize what you’ve understood in the above steps?
7	Choice.A	This answer is incorrect because it does not consider the correct multiplication of the ones and tens digits of 138 by 8	1140
8	Choice.B	This option is incorrect because it doesn’t consider the correct multiplication of the one digit of 138 by 8	1014
9	Choice.C	This is incorrect. 1204 is far greater than the expected result of 138 x 8, which is 1104	1204
10	Choice.D	The result obtained through the proper multiplication process matches the expected outcome. Therefore, this is the correct match	1104
11		Answer	D
12	SumUp	Can you summarize what you’ve understood in the above steps?

Step

Type

Explanation

Answer

Problem

Find the product of 138 multiplied by 8.

Step:

The given product is

138 ,8

Clue

Product means Multiplication

\$ \times \$

Step:

multiply the number 138 with 8

\$138 \times 8\$

Step:

After the Multiplication, we get

\$ 1104 \$

SumUp

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

Choice.A

This answer is incorrect because it does not consider the correct multiplication of the ones and tens digits of 138 by 8

1140

Choice.B

This option is incorrect because it doesn’t consider the correct multiplication of the one digit of 138 by 8

1014

Choice.C

This is incorrect. 1204 is far greater than the expected result of 138 x 8, which is 1104

1204

Choice.D

The result obtained through the proper multiplication process matches the expected outcome. Therefore, this is the correct match

1104

Answer

SumUp

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