Step-3

Title: Addition of decimals

Grade: 4-a Lesson: S2-L5

Explanation: Hello Students, time to practice and review the steps. Let us take next 2-5 minutes to solve the steps for the problems. This is a good exercise to check your understanding of the concepts.Second student to identify and review important steps.Focus on understanding the concepts and application to solving problems step by step.

Discussion: Step1 Step2 Step3 Step4 Step5

Lesson Steps

Step Type Explanation Answer

1

Problem

Addition of decimals 189.7 + 129.5.

2

Hint

Operator used for addition is \$+\$

3

Step

Add the numbers

189.7 + 129.5

4

Step

After the addition we get

319.2

5

Choice.A

This option is correct. 189.7 + 129.5.

319.2

6

Choice.B

This option is incorrect because the result might have come from an error in adding the numbers or misalignment.

391.2

7

Choice.C

This option is incorrect. because It does not match the actual addition result.

329.1

8

Choice.D

This option is incorrect. because this result might come from incorrect addition or a calculation error.

324.7

9

Step

Option

A

10

Sumup

Can you summarize what you’ve understood in the above steps?

Discussion: Step1 Step2 Step3 Step4 Step5


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