Steps-5

Title: Multiplication of Decimals

Grade Lesson s2-l5

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

Quiz: Discussion Step

Discussion: Steps1 Steps2 Steps3 Steps4 Steps5

Id Type Name Note

1

Problem

Find the result of 55.8 × 27.8.

2

Step

Given problem

55.8 × 27.8

3

Step

Ignore the decimal point and multiply the two numbers usually

55.8 × 27.8 = 155124

4

Step

After multiplication, count the number of decimal places in the given decimal number

2

5

Step

Place the decimal point in the obtained product

1551.24

6

Sumup

Please summarize steps

Choices

7

Choice-A

This is incorrect because 1553.26 is higher than the correct result 1551.24 by 0.82

Wrong 1553.26

8

Choice-B

This is incorrect. This is less than the actual result (1551.24)

Wrong 1552.25

9

Choice-C

This is correct. 55.8 × 27.8 = 1551.24

Correct 1551.24

10

Choice-D

This is incorrect. This is higher than the result and is also significantly off from the correct answer

Wrong 1554.27

11

Answer

Option

C

12

Sumup

Please summarize choices

Discussion: Steps1 Steps2 Steps3 Steps4 Steps5

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