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Lesson Example Discussion Quiz: Class Homework

Step-1

Title: Multiplication

Grade: 4-a Lesson: S1-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.

Discussion: Step1 Step2 Step3 Step4 Step5

Lesson Steps

Step

Value

Image

1

17

07

1

1

1

1

1

:

1

1

10

10

:

2

16

06

1

1

1

1

1

:

1

10

10

:

3

272

02

1

1

:

70

10

10

10

10

10

:

10

10

200

100

100

:
Step Description A B C D

B1

Carry

1

11

0

M1

Multiplicand

0

1

7

M2

Multiplier

×

1

6

A1

D3 16 × 7 = 112 C3 16 × 1 + 11 = 27 B3 16 × 0 + 2 = 2

0 02 1

1 16 11

11 112 2

S1

D3 Bring Down 2 C3 Bring Down 7 B3 Bring Down 2

2

7

2

Sum

Product: 17 × 16 = 272

2

7

2
Step Type Explanation Answer

2

Problem

Find the product of 45 multiplied by 21.

3

Clue

Product means Multiplication

\$ \times \$

4

Step:

Multiply the number 45 by 21

\$45 \times 21\$

5

Step:

After the multiplication, we get

\$ 945 \$

6

Choice.A

Incorrect. The product of 45 and 21 is 945, not 845

845

7

Choice.B

Correct. The product of 45 and 21 is indeed 945

945

8

Choice.C

Incorrect. The product of 45 and 21 is 945, not 745

745

9

Choice.D

Incorrect. The product of 45 and 21 is 945, not 645

645

10

Answer

B

11

SumUp

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

Discussion: Step1 Step2 Step3 Step4 Step5

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