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Lesson Topics Discussion Quiz: Class Homework

Steps-1

Title: Multiplication

Grade 4+ Lesson s3-l7

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

187
Factor

07

1

1

1

1

1

:

1

1

80

10

10

10

10

10

:

10

10

10

100

100

:

2

7
Factor

07

1

1

1

1

1

:

1

1

3

1309
Product

09

1

1

1

1

1

:

1

1

1

1

300

100

100

100

:

1000

1000

:
Step Description A B C D

B1

Carry

6

4

M1

Multiplicand

1

8

7

M2

Multiplier

×

0

7

A1

D3 7 × 7 = 49 C3 8 × 7 + 4 = 60 B3 7 × 1 + 6 = 13

7 6

6 56 4

4 49 9

S1

D3 Bring Down 13 C3 Bring Down 0 B3 Bring Down 9

13

0

9

Sum

Product: 187 x 7 = 1309

13

0

9
Id Type Name Note

1

Problem

Find the missing number 187 × ? = 1309.

2

Clue

To find the missing number, use division.

3

Step

Divide 1309 by 187

\$1309 \div 187\$

4

Step

After perform division, we get

7

5

Sumup

Please summarize steps

Choices

6

Choice-A

187 multiplied by 5 gives 935, which is not equal to 1309, so this option is wrong

Wrong 5

7

Choice-B

187 multiplied by 6 gives 1122, which is not equal to 1309, so this option is wrong

Wrong 6

8

Choice-C

187 multiplied by 4 gives 748, which is not equal to 1309, so this option is wrong

Wrong 4

9

Choice-D

187 multiplied by 7 gives 1309, which is exactly the required number, so this option is correct

Correct 7

10

Answer

Option

D

11

Sumup

Please summarize choices

Discussion: Steps1 Steps2 Steps3 Steps4 Steps5

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