SaiBook.us Multiplication

Lesson Example Discussion Quiz: Class Homework

Step-1

Title: Multiplication

Grade: 2-a Lesson: S4-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

06	1	1	1	1	1	:	1
10	10					:

128

08	1	1	1	1	1	:	1	1	1
20	10	10				:
100	100					:

Step	Description	B	C	D
B1	Carry	1	4	0
M1	Multiplicand	0	1	6
M2	Multiplier	×	0	8
A1	D3 8 × 6 = 48 C3 8 × 1 + 4 = 12 B3 8 × 0 + 1 = 1	0 0 1	1 08 4	4 48 8
S1	D3 Bring Down 8 C3 Bring Down 2 B3 Bring Down 1	1	2	8
Sum	Product: 16 × 8 = 128	1	2	8

Step	Type	Explanation	Answer
2	Problem	Find the missing number	17 × ? = 85
3	Step:	We look for missing number that multiply with 17 to give	85
4	Clue	Product means Multiplication	\$ \times \$
5	Step:	The number that will match the result is:	\$17 \times 5\$
6	Step:	After the Multiplication, we get	\$ 85 \$
7	SumUp	Can you summarize what you’ve understood in the above steps ?
8	Choice.A	This option is incorrect. If you calculate 17 × 4, you get 68, not 85
9	Choice.B	This option is incorrect. If you multiply 17 by 2, you get 34, not 85
10	Choice.C	This option is incorrect because 3 is not the result of dividing 85 by 17
11	Choice.D	This option is correct because when you divide 85 by 17, you get 5, which fills in the missing number to make the equation 17 × 5 = 85
12		Answer	D
13	SumUp	Can you summarize what you’ve understood in the above steps?

Step

Type

Explanation

Answer

Problem

Find the missing number

17 × ? = 85

Step:

We look for missing number that multiply with 17 to give

Clue

Product means Multiplication

\$ \times \$

Step:

The number that will match the result is:

\$17 \times 5\$

Step:

After the Multiplication, we get

\$ 85 \$

SumUp

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

Choice.A

This option is incorrect. If you calculate 17 × 4, you get 68, not 85

Choice.B

This option is incorrect. If you multiply 17 by 2, you get 34, not 85

Choice.C

This option is incorrect because 3 is not the result of dividing 85 by 17

Choice.D

This option is correct because when you divide 85 by 17, you get 5, which fills in the missing number to make the equation 17 × 5 = 85

Answer

SumUp

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