Step-2

Title: Multiplication

Grade: 4-a Lesson: S1-L3

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.

Discussion: Step1 Step2 Step3 Step4 Step5

Lesson Steps

Step

Value

Image

1

17

07

1

1

1

1

1

:

1

1

10

10

:

2

13

03

1

1

1

:

10

10

:

3

221

01

1

:

20

10

10

:

200

100

100

:

Step Description A B C D

B1

Carry

1

9

0

M1

Multiplicand

0

1

7

M2

Multiplier

×

1

3

A1

D3 13 × 7 = 91 C3 13 × 1 + 9 = 22 B3 13 × 0 + 2 = 2

0 01 1

1 13 9

9 91 1

S1

D3 Bring Down 1 C3 Bring Down 2 B3 Bring Down 2

2

2

1

Sum

Product: 17 × 13 = 221

2

2

1

Step Type Explanation Answer

2

Problem

Calculate the product of 41 x 30 =_.

3

Clue

Product means Multiplication

\$ \times \$

4

Step:

Multiply the number 41 by 30

\$41 \times 30\$

5

Step:

After the ultiplication, we get

\$ 1230 \$

6

Choice.A

Incorrect. The product of 41 and 30 is 1230, not 1130

1130

7

Choice.B

Incorrect.The product of 41 and 30 is 1230, not 1330

1330

8

Choice.C

Correct. The product of 41 and 30 is indeed 1230

1230

9

Choice.D

Incorrect. The product of 41 and 30 is 1230, not 1430

1430

10

Answer

C

11

SumUp

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

Discussion: Step1 Step2 Step3 Step4 Step5


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