Step-3

Title: Multiplication

Grade: 4-a Lesson: S1-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.

Discussion: Step1 Step2 Step3 Step4 Step5

Lesson Steps

Step

Value

Image

1

18

08

1

1

1

1

1

:

1

1

1

10

10

:

2

14

04

1

1

1

1

:

10

10

:

3

252

02

1

1

:

50

10

10

10

10

10

:

200

100

100

:

Step Description A B C D

B1

Carry

1

11

0

M1

Multiplicand

0

1

8

M2

Multiplier

×

1

4

A1

D3 14 × 8 = 112 C3 14 × 1 + 11 = 25 B3 14 × 0 + 2 = 2

0 02 1

1 14 11

11 112 2

S1

D3 Bring Down 2 C3 Bring Down 5 B3 Bring Down 2

2

5

2

Sum

Product: 18 × 14 = 252

2

5

2

Step Type Explanation Answer

2

Problem

Find the product of 40 multiplied by 24.

3

Clue

Product means Multiplication

\$ \times \$

4

Step:

Multiply the number 40 by 24

\$40 \times 24\$

5

Step:

After the Multiplication, we get

\$ 960 \$

6

Choice.A

The product of 40 and 24 is 960, not 860. Therefore, option A is incorrect.

602

7

Choice.B

The product of 40 and 24 is indeed 960, so option B is correct.

702

8

Choice.C

The product of 40 and 24 is 960, not 760. Therefore, option C is incorrect.

802

9

Choice.D

The product of 40 and 24 is 960, not 660. Therefore, option D is incorrect.

902

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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