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Lesson Topics Discussion Quiz: Class Homework

Steps-4

Title: Multiplication

Grade 4+ Lesson s3-l4

Explanation: Hello Students, time to practice and review the steps for the problem.

Quiz: Discussion Step

Discussion: Steps1 Steps2 Steps3 Steps4 Steps5

sbMath-row-a-ones-image100 = {sbMath-row-a-ones-image100}

Step

Value

Image

1

157
Factor

07

1

1

1

1

1

:

1

1

50

10

10

10

10

10

:

100

100

:

2

7
Factor

07

1

1

1

1

1

:

1

1

3

1099
Product

09

1

1

1

1

1

:

1

1

1

1

90

10

10

10

10

10

:

10

10

10

10

1000

1000

:
Step Description A B C D

B1

Carry

3

4

M1

Multiplicand

1

5

7

M2

Multiplier

×

0

7

A1

D3 7 × 7 = 49 C3 7 × 5 + 4 = 39 B3 7 × 1 + 3 = 10

7 3

3 35 4

4 49 9

S1

D3 Bring Down 9 C3 Bring Down 9 B3 Bring Down 10

10

9

9

Sum

Product: 157 x 7 = 1099

10

9

9
Id Type Name Note

1

Problem

What is the product if the multiplicand is 157 and the multiplier is 7?

2

Clue

Product means Multiplication
\$\times\$

3

Step

Multiply the number 157 by 7

\$157 times 7\$

4

Step

After the multiplication, we get

1,099.00

5

Sumup

Please summarize steps

Choices

6

Choice-A

Incorrect.This number is much higher than the correct answer

Wrong 1909

7

Choice-B

This is 1 less than the correct product.Since 157 × 7 = 1099, this value is incorrect

Wrong 1098

8

Choice-C

This is 1 more than the actual answer. So, it cannot be the correct product

Wrong 1100

9

Choice-D

This is correct because 157 multiplied by 7 equals exactly 1099

Correct 1099

10

Answer

Option

D

11

Sumup

Please summarize choices

Discussion: Steps1 Steps2 Steps3 Steps4 Steps5

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