SaiBook.us Multiplication

Lesson Example Discussion Quiz: Class Homework

Step-4

Title: Multiplication

Grade: 3-a Lesson: S3-L7

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

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

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

324

04	1	1	1	1	:
20	10	10			:
300	₁₀₀	₁₀₀	₁₀₀		:

Step	Description	B	C	D
B1	Carry	3	14	0
M1	Multiplicand	0	1	8
M2	Multiplier	×	1	8
A1	D3 18 × 8 = 144 C3 18 × 1 + 14 = 32 B3 18 × 0 + 3 = 3	0 3 3	3 18 14	14 144 4
S1	D3 Bring Down 4 C3 Bring Down 2 B3 Bring Down 3	3	2	4
Sum	Product: 18 × 18 = 324	3	2	4

Step	Type	Explanation	Answer
1	Problem	Find the missing number 48 × ? = 1056.
2	Step:	We look for missing number that multiply with 48 to give	1056
3	Clue	Product means Multiplication	\$\ times \$
4	Hint	Please check each option number one by one
5	Step:	The number that will match the result is:	\$48 \ times 22\$
6	Step:	After the multiplication we get	\$ 1056 \$
7	SumUp	Can you summarize what you’ve understood in the above steps?
8	Choice.A	This option is incorrect. If you multiply 48 by 21, you get 1008, not 1056	21
9	Choice.B	This option is correct. It is the result of dividing 1056 by 48, filling in the missing number to make the equation 48 × 22 = 1056	22
10	Choice.C	This option is incorrect. If x were 6, the equation would become 48 × 23 = 1104, which is not equal to 1056	23
11	Choice.D	This option is incorrect because if × were 18, the equation would become 48 × 24 = 1152, which is much larger than 1056	24
12		Answer	B
13	SumUp	Can you summarize what you’ve understood in the above steps?

Step

Type

Explanation

Answer

Problem

Find the missing number 48 × ? = 1056.

Step:

We look for missing number that multiply with 48 to give

1056

Clue

Product means Multiplication

\$\ times \$

Hint

Please check each option number one by one

Step:

The number that will match the result is:

\$48 \ times 22\$

Step:

After the multiplication we get

\$ 1056 \$

SumUp

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

Choice.A

This option is incorrect. If you multiply 48 by 21, you get 1008, not 1056

Choice.B

This option is correct. It is the result of dividing 1056 by 48, filling in the missing number to make the equation 48 × 22 = 1056

Choice.C

This option is incorrect. If x were 6, the equation would become 48 × 23 = 1104, which is not equal to 1056

Choice.D

This option is incorrect because if × were 18, the equation would become 48 × 24 = 1152, which is much larger than 1056

Answer

SumUp

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