SaiBook.us Multiplication

Lesson Example Discussion Quiz: Class Homework

Step-2

Title: Multiplication

Grade: 4-a Lesson: S2-L3

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

04	1	1	1	1		:
10	10					:

07	1	1	1	1	1	:	1	1
20	10	10				:

378

08	1	1	1	1	1	:	1	1	1
70	10	10	10	10	10	:	10	10
300	₁₀₀	₁₀₀	₁₀₀			:

Step	Description	B	C	D
B1	Carry	2	10	0
M1	Multiplicand	0	1	4
M2	Multiplier	×	2	7
A1	D3 27 × 4 = 108 C3 27 × 1 + 10 = 37 B3 27 × 0 + 3 = 3	0 03 2	2 27 10	10 108 8
S1	D3 Bring Down 8 C3 Bring Down 7 B3 Bring Down 3	3	7	8
Sum	Product: 14 × 27 = 378	3	7	8

Step	Type	Explanation	Answer
2	Problem	Multiply 52 by 24.
3	Clue	Product means Multiplication	\$ \times \$
4	Step:	Multiply the number 52 by 24	\$52 \times 24\$
5	Step:	After the multiplication, we get	\$ 1248 \$
6	Choice.A	The product of 52 and 24 is 1248, not 1268. Therefore, option A is incorrect	1268
7	Choice.B	The product of 52 and 24 is 1248, not 1238. Therefore, option B is incorrect	1238
8	Choice.C	The product of 52 and 24 is 1248, not 1228. Therefore, option C is incorrect	1228
9	Choice.D	The product of 52 and 24 is indeed 1248, so option D is correct	1248
10	Answer	Option	D
11	SumUp	Can you summarize what you’ve understood in the above steps?

Step

Type

Explanation

Answer

Problem

Multiply 52 by 24.

Clue

Product means Multiplication

\$ \times \$

Step:

Multiply the number 52 by 24

\$52 \times 24\$

Step:

After the multiplication, we get

\$ 1248 \$

Choice.A

The product of 52 and 24 is 1248, not 1268. Therefore, option A is incorrect

1268

Choice.B

The product of 52 and 24 is 1248, not 1238. Therefore, option B is incorrect

1238

Choice.C

The product of 52 and 24 is 1248, not 1228. Therefore, option C is incorrect

1228

Choice.D

The product of 52 and 24 is indeed 1248, so option D is correct

1248

Answer

Option

SumUp

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

Discussion: Step1 Step2 Step3 Step4 Step5