SaiBook.us Multiplication

Lesson Example Discussion Quiz: Class Homework

Step-4

Title: Multiplication

Grade: 3-a Lesson: S4-L2

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

sbMath-row-a-ones-image5 = {sbMath-row-a-ones-image5}

Step

Value

Image

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

03	1	1	1			:
10	10					:

364

04	1	1	1	1		:
60	10	10	10	10	10	:	10
300	₁₀₀	₁₀₀	₁₀₀			:

Step	Description	B	C	D
B1	Carry	3	10	0
M1	Multiplicand	0	2	8
M2	Multiplier	×	1	3
A1	D3 13 × 8 = 104 C3 13 × 2 + 10 = 36 B3 13 × 0 + 3 = 3	0 3 3	3 26 10	10 104 4
S1	D3 Bring Down 8 C3 Bring Down 4 B3 Bring Down 3	3	6	4
Sum	Product: 28 × 13 = 364	3	6	4

Step	Type	Explanation	Answer
1	Problem	Find the missing number 109 × 9 = ?
2	Step:	The given product is	109, 9
3	Clue	Product means Multiplication	\$ \times \$
4	Step:	The number that will match the result is:	\$109 \ times 9\$
5	Step:	After the Multiplication, we get	\$ 981 \$
6	SumUp	Can you summarize what you’ve understood in the above steps?
7	Choice.A	The product of these factors is 109 × 9 = 981, which matches the desired result. Hence, this is the correct answer	981
8	Choice.B	The product of these factors is 109 × 9 = 981, which is not equal to 918. Thus, option a is incorrect	918
9	Choice.C	This option is incorrect because it doesn’t consider the correct multiplication of the one digit of 109 by 9	971
10	Choice.D	The product of these factors is 109 × 9 = 981, which is not equal to 985. Thus, option d is incorrect	985
11		Answer	A
12	SumUp	Can you summarize what you’ve understood in the above steps?

Step

Type

Explanation

Answer

Problem

Find the missing number 109 × 9 = ?

Step:

The given product is

109, 9

Clue

Product means Multiplication

\$ \times \$

Step:

The number that will match the result is:

\$109 \ times 9\$

Step:

After the Multiplication, we get

\$ 981 \$

SumUp

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

Choice.A

The product of these factors is 109 × 9 = 981, which matches the desired result. Hence, this is the correct answer

981

Choice.B

The product of these factors is 109 × 9 = 981, which is not equal to 918. Thus, option a is incorrect

918

Choice.C

This option is incorrect because it doesn’t consider the correct multiplication of the one digit of 109 by 9

971

Choice.D

The product of these factors is 109 × 9 = 981, which is not equal to 985. Thus, option d is incorrect

985

Answer

SumUp

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