SaiBook.us Multiplication

Lesson Example Discussion Quiz: Class Homework

Step-1

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

02	1	1				:
20	10	10				:

03	1	1	1			:
10	10					:

286

06	1	1	1	1	1	:	1
80	10	10	10	10	10	:	10	10	10
200	₁₀₀	₁₀₀				:

Step	Description	B	C	D
B1	Carry	2	2	0
M1	Multiplicand	0	2	2
M2	Multiplier	×	1	3
A1	D3 13 × 2 = 26 C3 13 × 2 + 2 = 28 B3 13 × 0 + 2 = 2	0 2 2	2 26 2	2 26 6
S1	D3 Bring Down 6 C3 Bring Down 8 B3 Bring Down 2	2	8	6
Sum	Product: 22 × 13 = 286	2	8	6

Step	Type	Explanation	Answer
1	Problem	By multiplying which factors the result will be 848.
2	Step:	We look for pairs of numbers that multiply together to give	848
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	\$106\ times 8\$
6	Step:	After the Multiplication, we get	\$ 848 \$
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	104 x 10
9	Choice.B	This option is correct because it matches the calculated result of multiplying 104 and 10	106 x 8
10	Choice.C	This option is incorrect. If you calculate 105 × 7, you get 735, not 931	105 x 7
11	Choice.D	The option is incorrect. When you calculate 107 multiplied by 9, the result is 848 instead of 963	107 x 9
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 848.

Step:

We look for pairs of numbers that multiply together to give

848

Clue

Product means Multiplication

\$ \times \$

Hint

Please check each option number one by one.

Step:

The pair that is commonly recognized is

\$106\ times 8\$

Step:

After the Multiplication, we get

\$ 848 \$

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

104 x 10

Choice.B

This option is correct because it matches the calculated result of multiplying 104 and 10

106 x 8

Choice.C

This option is incorrect. If you calculate 105 × 7, you get 735, not 931

105 x 7

Choice.D

The option is incorrect. When you calculate 107 multiplied by 9, the result is 848 instead of 963

107 x 9

Answer

SumUp

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