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Lesson Table Topics Discussion Quiz: Class Homework

Steps-5

Title: Multiplication

Grade 4+ Lesson s1-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-image5 = {sbMath-row-a-ones-image5}

Step

Value

Image

1

45
Factor

05

1

1

1

1

1

:

40

10

10

10

10

:

2

22
Factor

02

1

1

:

20

10

10

:

3

990
Product

90

10

10

10

10

10

:

10

10

10

10

900

100

100

100

100

100

:

100

100

100

100

Step Description A B C D

B1

Carry

9

11

0

M1

Multiplicand

0

4

5

M2

Multiplier

×

2

2

A1

D3 22 × 5 = 110 C3 22 × 4 + 11 = 99 B3 22 × 0 + 9 = 9

00 9

9 88 11

11 110 0

S1

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

9

9

0

Sum

Product: 45 x 22 = 990

9

9

0
Id Type Name Note

1

Problem

Calculate the product of 45 × 22.

2

Step

Product means Multiplication.
\$\times\$

3

Step

Multiply the number 45 with 22

45 × 22

4

Step

After the multiplication and we get

990

5

Sumup

Please summarize steps

Choices

6

Choice-A

Incorrect. The product of 45 and 22 is 990 and not 980

Wrong 980

7

Choice-B

Correct. The product of 45 and 22 is indeed 990

Correct 990

8

Choice-C

Incorrect. The product of 45 and 22 is 990 and not 970

Wrong 970

9

Choice-D

Incorrect. The product of 45 and 22 is 990 and not 960

Wrong 960

10

Answer

Option

B

11

Sumup

Please summarize choices

Discussion: Steps1 Steps2 Steps3 Steps4 Steps5

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