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Lesson Topics Discussion Quiz: Class Homework

Steps-1

Title: Multiplication

Grade 4+ Lesson s3-l6

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

178
Factor

08

1

1

1

1

1

:

1

1

1

70

10

10

10

10

10

:

10

10

100

100

:

2

8
Factor

08

1

1

1

1

1

:

1

1

1

3

1424
Product

04

1

1

1

1

:

20

10

10

:

400

100

100

100

100

:

1000

1000

:
Step Description A B C D

B1

Carry

6

6

M1

Multiplicand

1

7

8

M2

Multiplier

×

0

8

A1

D3 8 × 8 = 64 C3 8 × 7 + 6 = 62 B3 8 × 1 + 6 = 14

8 6

6 56 6

6 64 4

S1

D3 Bring Down 14 C3 Bring Down 2 B3 Bring Down 4

14

2

4

Sum

Product: 178 x 8 = 1424

14

2

4
Id Type Name Note

1

Problem

By multiplying which factors, the result will be 1424.

2

Step

We look for pairs of numbers that multiply together to give 1424.

3

Step

The pair that is commonly recognized is

\$178 \times 8\$

4

Step

After the multiplication we get,

1424

5

Sumup

Please summarize steps

Choices

6

Choice-A

This option is wrong because multiplying 179 by 8 gives 1432, which is greater than 1424

Wrong 179 × 8

7

Choice-B

This option is incorrect because 177 multiplied by 8 equals 1416, which is less than 1424

Wrong 177 × 8

8

Choice-C

This option is correct because 178 multiplied by 8 gives 1424

Correct 178 × 8

9

Choice-D

This option is wrong because 187 × 8 equals 1496, which is much higher than 1424

Wrong 187 × 8

10

Answer

Option

C

11

Sumup

Please summarize choices

Discussion: Steps1 Steps2 Steps3 Steps4 Steps5

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