SaiBook.us Multiplication

Lesson Example Discussion Quiz: Class Homework

Step-2

Title: Multiplication

Grade: 3-a Lesson: S2-L8

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			:

297

07	1	1	1	1	1	:	1	1
90	10	10	10	10	10	:	10	10	10	10
200	₁₀₀	₁₀₀				:

Step	Description	B	C	D
B1	Carry	2	2	0
M1	Multiplicand	0	3	3
M2	Multiplier	×	0	9
A1	D3 9 × 3 = 27 C3 9 × 3 + 3= 29 B3 9 × 0 + 2 = 2	0 2 2	2 27 2	2 27 7
S1	D3 Bring Down 7 C3 Bring Down 9 B3 Bring Down 2	2	9	7
Sum	Product: 33 × 9 = 297	2	9	7

Step	Type	Explanation	Answer
1	Problem	What will be the result of multiplying 30 and 21?
2	Clue	Product means Multiplication	\$ \times \$
3	Step:	Multiply the number 30 by 21	\$30 \times 21\$
4	Step:	After the multiplication, we get	\$ 630 \$
5	Choice.A	This option is incorrect. If you calculate 30 × 21, you get 630, not 621	621
6	Choice.B	This option is incorrect. It’s close to the correct answer, but it’s not the result of multiplying 30 and 21	640
7	Choice.C	This option is incorrect because it does not match the correct calculation	645
8	Choice.D	This option is correct because the calculated result of multiplying 30 and 21 is indeed 630. You can verify this by performing the multiplication: 30 × 21 = 630	630
9		Answer	D
10	SumUp	Can you summarize what you’ve understood in the above steps?

Step

Type

Explanation

Answer

Problem

What will be the result of multiplying 30 and 21?

Clue

Product means Multiplication

\$ \times \$

Step:

Multiply the number 30 by 21

\$30 \times 21\$

Step:

After the multiplication, we get

\$ 630 \$

Choice.A

This option is incorrect. If you calculate 30 × 21, you get 630, not 621

621

Choice.B

This option is incorrect. It’s close to the correct answer, but it’s not the result of multiplying 30 and 21

640

Choice.C

This option is incorrect because it does not match the correct calculation

645

Choice.D

This option is correct because the calculated result of multiplying 30 and 21 is indeed 630. You can verify this by performing the multiplication: 30 × 21 = 630

630

Answer

SumUp

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

Discussion: Step1 Step2 Step3 Step4 Step5