SaiBook.us Multiplication

Lesson Example Discussion Quiz: Class Homework

Step-1

Title: Multiplication

Grade: 3-a Lesson: S3-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.

Lesson Steps

Step

Value

Image

09	1	1	1	1	1	:	1	1	1	1
10	10					:

01	1					:
10	10					:

209

09	1	1	1	1	1	:	1	1	1	1
200	₁₀₀	₁₀₀				:

Step	Description	B	C	D
B1	Carry	2	9	0
M1	Multiplicand	0	1	9
M2	Multiplier	×	1	1
A1	D3 11 × 9 = 99 C3 11 × 1 + 9 = 20 B3 11 × 0 + 2 = 2	0 2 2	2 11 9	9 99 9
S1	D3 Bring Down 9 C3 Bring Down 0 B3 Bring Down 2	2	0	9
Sum	Product: 19 × 11 = 209	2	0	9

Step	Type	Explanation	Answer
1	Problem	By multiplying which factors the result will be 931.
2	Step:	We look for pairs of numbers that multiply together to give	931
3	Clue	Product means Multiplication	\$ \times \$
4	Hint	Please check each option number one by one
5	Step:	The pair that is commonly recognized is	\$49 \ times 19\$
6	Step:	After the Multiplication, we get	\$ 931 \$
7	SumUp	Can you summarize what you’ve understood in the above steps?
8	Choice.A	This option is incorrect because it does not match the correct calculation	48 x 18
9	Choice.B	This option is correct because it matches the calculated result of multiplying 49 and 19	49 x 19
10	Choice.C	This option is incorrect. If you calculate 48 × 19, you get 912, not 931	48 x 19
11	Choice.D	The option is incorrect. When you calculate 49 multiplied by 18, the result is 912 instead of 882	49 x 18
12		Answer	B
13	SumUp	Can you summarize what you’ve understood in the above steps?

Step

Type

Explanation

Answer

Problem

By multiplying which factors the result will be 931.

Step:

We look for pairs of numbers that multiply together to give

931

Clue

Product means Multiplication

\$ \times \$

Hint

Please check each option number one by one

Step:

The pair that is commonly recognized is

\$49 \ times 19\$

Step:

After the Multiplication, we get

\$ 931 \$

SumUp

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

Choice.A

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

48 x 18

Choice.B

This option is correct because it matches the calculated result of multiplying 49 and 19

49 x 19

Choice.C

This option is incorrect. If you calculate 48 × 19, you get 912, not 931

48 x 19

Choice.D

The option is incorrect. When you calculate 49 multiplied by 18, the result is 912 instead of 882

49 x 18

Answer

SumUp

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