SaiBook.us Multiplication

Lesson Example Discussion Quiz: Class Homework

Step-1

Title: Multiplication

Grade: 4-a Lesson: S1-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					:

06	1	1	1	1	1	:	1
10	10					:

256

06	1	1	1	1	1	:	1
50	10	10	10	10	10	:
200	₁₀₀	₁₀₀				:

Step	Description	B	C	D
B1	Carry	1	9	0
M1	Multiplicand	0	1	6
M2	Multiplier	×	1	6
A1	D3 16 × 6 = 96 C3 16 × 1 + 9 = 25 B3 16 × 0 + 2 = 2	0 02 1	1 16 9	9 96 6
S1	D3 Bring Down 6 C3 Bring Down 5 B3 Bring Down 2	2	5	6
Sum	Product: 16 × 16 = 256	2	5	6

Step	Type	Explanation	Answer
2	Problem	Calculate the result of 43 times 23.
3	Clue	Product means Multiplication	\$ \times \$
4	Step:	Multiply the number 43 by 23	\$43 \times 23\$
5	Step:	After the multiplication, we get	\$ 989 \$
6	Choice.A	The product of 43 and 23 is 989, not 969. Therefore, option A is incorrect	969
7	Choice.B	The product of 43 and 23 is 989, not 979. Therefore, option B is incorrect	979
8	Choice.C	The product of 43 and 23 is indeed 989, so option C is correct	989
9	Choice.D	The product of 43 and 23 is 989, not 999. Therefore, option D is incorrect	999
10		Answer	C
11	SumUp	Can you summarize what you’ve understood in the above steps?

Step

Type

Explanation

Answer

Problem

Calculate the result of 43 times 23.

Clue

Product means Multiplication

\$ \times \$

Step:

Multiply the number 43 by 23

\$43 \times 23\$

Step:

After the multiplication, we get

\$ 989 \$

Choice.A

The product of 43 and 23 is 989, not 969. Therefore, option A is incorrect

969

Choice.B

The product of 43 and 23 is 989, not 979. Therefore, option B is incorrect

979

Choice.C

The product of 43 and 23 is indeed 989, so option C is correct

989

Choice.D

The product of 43 and 23 is 989, not 999. Therefore, option D is incorrect

999

Answer

SumUp

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

Discussion: Step1 Step2 Step3 Step4 Step5