SaiBook.us Multiplication

Lesson Example Discussion Quiz: Class Homework

Step-3

Title: Multiplication

Grade: 4-a Lesson: S2-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.

Discussion: Step1 Step2 Step3 Step4 Step5

Lesson Steps

Step

Value

Image

06	1	1	1	1	1	:	1
10	10					:

08	1	1	1	1	1	:	1	1	1
20	10	10				:

448

08	1	1	1	1	1	:	1	1	1
40	10	10	10	10		:
400	₁₀₀	₁₀₀	₁₀₀	₁₀₀		:

Step	Description	B	C	D
B1	Carry	2	16	0
M1	Multiplicand	0	1	6
M2	Multiplier	×	2	8
A1	D3 28 × 6 = 168 C3 28 × 1 + 16 = 44 B3 28 × 0 + 4 = 4	0 04 2	2 28 16	16 168 8
S1	D3 Bring Down 8 C3 Bring Down 4 B3 Bring Down 4	4	4	8
Sum	Product: 16 × 28 = 448	4	4	8

Step	Type	Explanation	Answer
2	Problem	Calculate the result of 56 times 22.
3	Clue	Product means Multiplication	\$ \times \$
4	Step:	Multiply the number 56 by 22	\$56 \times 22\$
5	Step:	After the multiplication, we get	\$ 1232 \$
6	Choice.A	The product of 56 and 22 is indeed 1232, so option A is correct	1232
7	Choice.B	The product of 56 and 22 is 1232, not 1242. Therefore, option B is incorrect	1242
8	Choice.C	The product of 56 and 22 is 1232, not 1222. Therefore, option C is incorrect	1222
9	Choice.D	The product of 56 and 22 is 1232, not 1282. Therefore, option D is incorrect	1282
10	Answer	Option	A
11	SumUp	Can you summarize what you’ve understood in the above steps?

Step

Type

Explanation

Answer

Problem

Calculate the result of 56 times 22.

Clue

Product means Multiplication

\$ \times \$

Step:

Multiply the number 56 by 22

\$56 \times 22\$

Step:

After the multiplication, we get

\$ 1232 \$

Choice.A

The product of 56 and 22 is indeed 1232, so option A is correct

1232

Choice.B

The product of 56 and 22 is 1232, not 1242. Therefore, option B is incorrect

1242

Choice.C

The product of 56 and 22 is 1232, not 1222. Therefore, option C is incorrect

1222

Choice.D

The product of 56 and 22 is 1232, not 1282. Therefore, option D is incorrect

1282

Answer

Option

SumUp

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

Discussion: Step1 Step2 Step3 Step4 Step5