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Lesson Example Discussion Quiz: Class Homework

Step-1

Title: Multiplication

Grade: 4-a Lesson: S2-L8

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

19

09

1

1

1

1

1

:

1

1

1

1

10

10

:

2

21

01

1

:

20

10

10

:

3

399

09

1

1

1

1

1

:

1

1

1

1

90

10

10

10

10

10

:

10

10

10

10

300

100

100

100

:
Step Description A B C D

B1

Carry

2

18

0

M1

Multiplicand

0

1

9

M2

Multiplier

×

2

1

A1

D3 21 × 9 = 189 C3 21 × 1 + 18 = 39 B3 21 × 0 + 3 = 3

0 03 2

2 21 18

18 189 9

S1

D3 Bring Down 9 C3 Bring Down 9 B3 Bring Down 3

3

9

9

Sum

Product: 19 × 21 = 399

3

9

9
Step Type Explanation Answer

2

Problem

Multiply 60 by 21.

3

Clue

Product means Multiplication

\$ \times \$

4

Step:

Multiply the number 60 by 21

\$60 \times 21\$

5

Step:

After the multiplication, we get

\$ 1260 \$

6

Choice.A

Incorrect. The product of 60 and 21 is 1260, not 1230

1230

7

Choice.B

Correct. The product of 60 and 21 is indeed 1260

1260

8

Choice.C

Incorrect. The product of 60 and 21 is 1260, not 1280

1280

9

Choice.D

Incorrect. The product of 60 and 21 is 1260, not 1270

1270

10

Answer

Option

B

11

SumUp

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

Discussion: Step1 Step2 Step3 Step4 Step5

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